I'll also try the the 125's and look for some H110. Now for preparations for 2018 Bear season Change). It's not rocket science. 300 BLK, Cartridge Selection, Reloading It penetrated more than 32 inches in gelatin and showed no expansion. The .300 Advanced Armament Corporation (AAC) Blackout resulted from a joint venture between AAC and Remington, the round SAAMI approved in 2011. Starting Loads Maximum Loads CALIBER BULLET WEIGHT MANUFACTURER POWDER BULLET DIAMETER C.O.L. CLOSE For the best experience on our site, be sure to turn on Javascript in your browser. I subjected these .300 Blackout handloads to a testing protocol similar to the one I used to evaluate the factory ammo. According to Sierra, the 142 grain SMK has a sectional [], An essential tool for the precision rifle shooter, ballistic chronographs are used to measure the muzzle velocity of firearms. All Reloading Equipment; Case Preparation; Powder Measures & Scales; Reloading Accessories; Reloading Books & Manuals; Each load was fired into blocks of 10-percent ordnance gelatin positioned 15 feet from the muzzle. Just for kicks, I also assembled subsonic loads with two heavyweight bullets. Instagram: strength_in_arms. You are using an out of date browser. What could be the problem with the load in the 16.5 ? Just sayn, I switched to LilGun for 220RN sub groups we t down to under 1 MOA cycles 26 bbl great. .452 diameter, 300 grain Wide Flat Nose Bullets (50 count) 45 Colt: Match Solid: 300: VIEW: 07400140SP .400 caliber, 140 grain Xtreme Penetrator Lead-Free Bullets . To establish accuracy potential and velocity boundaries, I fired one, 10-shot group at 100 yards with each load. : I was shocked. I included other data for those who have some of the other powders. However, you'll only have to do it once. I rounded up a variety of bullets I suspected would offer terminal performance not available from factory supersonic ammo, and then went to work at the loading press. Because velocity is critical to performance, this load should be a great match for an SBR. For those who dont follow cartridge history closely, the .40 S&W is really nothing more than a 10 mm light load wearing a different dress. The test firearm was the Alexander Arms Highlander Pistol, including shoulder brace with threaded 10-inch barrel, holding Rebel Silencers SOS Hunter suppressor, was used during my most recent Texas foray. Thanks again. 1020FPS with last round bolt hold open SIG Sauer Elite Performance 125-grain Sierra MatchKing. These 2 were poking their heads up out of the food plot last summer at the same time. <> Writer | Tyrant Designs CNC Blog So it's off to the reloading bench for me. One Blackout concern, especially with subsonic loads, is initiating ample expansion at velocities slower than many bullets were engineered to provide, though many companies offer Blackout-specific designs (see Barnes and Cutting Edge bullets). You arent sticking one in the bore with 17gr. 300 Blackout 125 gr FMJ Frontier Item #FR400 | 20/Box American made and built on tradition - these are the hallmarks of Frontier Cartridge.. Frontier Cartridge features Hornady bullets and is available in 223 Rem, 5.56 NATO, 300 Blackout and 6.5 Grendel. Id start at 17.0 and work up in .3gr increments and find your node before pressure starts.. Identical loading dies are used for both. Anecdotal accounts from other shooters indicated this would provide the best accuracy with the 220 grain Sierra MatchKing (SMK). Rifleshooter.com and its authors, do not assume any responsibility, directly or indirectly for the safety of the readers attempting to follow any instructions or perform any of the tasks shown, or the use or misuse of any information contained herein, on this website. stream Thanks, The data is all wrong anyway. I have used this program for years and tke it with a very large grain of salt! Please take the time to read the disclaimer below and note that this data was gathered in a bolt action rifle and NOT a semiautomatic rifle. The best way I've found to solve this problem is to size brass without the expander ball in the die. The most accurate handload beat out the best factory load by .60 inch when both were fired from the same gun. You can substitute a smaller-caliber expander ball, or you can de-prime in a different step with a universal de-primer. Min Charge Max Charge Optimal Charge Bullet Make Bullet Type Primer Notes; Accurate - A1680: 190 gr. 10.0 gr. The loads shown below are only considered safe in the test gun! Bullet Type Start Load (Grains) Start Velocity (Fps) Max Load (Grains) Max Velocity (Fps) Max Pressure (Psi) COL (Inches) Out of stock. XTP (eXtreme Terminal Performance), HP and BTHP bullets are exceptionally accurate and deliver excellent versatility and superior ballistic performance. The only prep work I did before loading was sizing the cases, tumbling them and chamfering their necks. That's the max I use, I think I started with 17.0 and worked up in .2 grain increments. Simple solution reload! They described these bullets as: 308 130 gr, Mark 319, sost, otm. Ammunition Reloading. Head and neck shots are required if you wish to anchor them where they stand. While the powder formulas are identical, the chrono testing is likely from different production lots. 12.0 gr. Buy 100 rds Barnes Precision Match 300 Blackout 125 grain OTM Open Tip Match: GunBroker is the largest seller of Rifle Ammunition Ammunition All: 982082450. . In many ways, it is the anti-rifle cartridge. The projectiles used in subsonic .300 AAC Blackout loads usually weigh between 180- and 220-grains. The 1:7 twist worked fairly well with the heavier, 220 SMKs, with groups ranging from 1.082-1.477 MOA. All Ammunition Reloading; Reloading Equipment. The American Gunner line of ammunition is a collection of tried-and-true, versatile loads that are popular with shooters for their target shooting, hunting or self-defense needs. works like a charm. The Blackout includes an average case capacity of 26.5 grains water. Standard small rifle primers will be right choice as there is a relatively small charge to ignite. This. I would say 10 times more people use lil gun than R7 for subsonic loads. % Vihtavuori offers rifle reloading data for numerous calibers and bullets for match and hunting purposes. subsonic 300blk. 58 Reviews. Re: 300 Blackout reloading. Scroll right to see energy, drop and coefficient data. I spent several hours chambering dummy cartridges with a variety of bullets and measuring set-out, and in fact, I found it occurred to some extent with every bullet tested. The 125 grain bullets offer the best balance between speed, expansion, and penetration. While a relatively new addition to their cartridge stable, this .300 AAC Blackout 125 grain round is . 7.3 grains of trail boss seems high even for max charge. Taken from Tenth Edition reloading manual. x}% 9 V/@]Jz$Y-l7 m1#`2A2*tTfn2+O~W|S/_^Se=~oL/Ooh}k4m{zc{>{!w-77cz-Nnxo#j~_~t{pt/c|~z'Gc;2`gk)i,0 1cOh||z>3z L`];H\Gwyb^z-_.oWlw}E> Moderators:gds, bakerjw, renegade, bamachem, Post $ 30.99 $ 20.17 Add to cart; Underwood 300 Blackout 125 Grain Ballistic Tip (20) $ 35.99 Add to cart; Winchester 6.5 Creedmoor 125 Gr Open Tip (20 Rounds) USA $ 28.99 Add to cart PRESCRIPTION 1Bullet: 110-grain Sierra HPPowder/Charge: Hodgdon Lil'Gun, 20.0 grainsPrimer: Federal Small RifleCartridge Overall Length: 1.89 inchesMuzzle Velocity: 2,402 fps. Such large projectiles convey a subsonic muzzle velocity that is accompanied by a quiet report. I bought a bag of pull down 130 grain 30 cal bullets from RMR a year or so ago. by Sharkbite Wed Sep 10, 2014 6:10 pm, Post V RIFLE RELOADING DATA Test Specifications/ Components Firearm Used: CMMG Barrel Length: 16" Twist: 1 x 8" Case: Remington Trim-to Length: 1.363" Primer: Rem 7 1/2 Remarks: The 300 AAC Blackout (300 BLK, or 7.62x35mm) was created by Advanced Armament Corp. and Remington in order to provide the . The set-out problem is caused by inadequate neck tension and trying to taper-crimp cases that are not all exactly the same length. Bullets in the Barnes Triple-Shock family typically need more velocity than traditional cup-and-core bullets to expand, and the .300 Blackout just does not generate a lot of velocity. Sign up with your email address to receive news and updates. In addition, my testing revealed it is relatively easy to assemble .300 AAC Blackout handloadsboth subsonic and supersonicthat are more accurate than factory loads. Add to Cart. I think you could safely start at 4.8 grains of HP-38 behind those plated bullets. The best 5 shot group was .334 MOA while the worst was 3.787 MOA! Of these, 122 grain and 123 grain loads are by far the most common. All this suppressor talk does not apply to 98per cent of the public. When the chips are down, the following items can give your CCW revolver an advantage. Although functionally identical to the 300 Whisper, the 300 AAC Blackout is its own SAAMI standardized cartridge. Sierra 180Grain match king projo, 12.2 grains of powder. Converting 223 Rem brass into what you need to load 300 Blackout is straightforward enough, a project you can take on with a saw, jig, and a few other pieces of reloading paraphernalia. In supersonic loads, 150-grain bullets are on the heavy side for the .300 Blackout. Rather than having a steep shoulder and overbore case, like the 20 Vartarg (a 221 Remington necked down to 20 caliber), it has a relatively straight design that requires fast magnum pistol powders. .300 Whisper / .300 AAC Blackout / .300 Blackout (Using 125/130 GR Hornady Bullets) Warning! I could see no real advantage offered by the .300 Blackout in supersonic form over the .223 Rem. 2.250 in. Reading a few different reports of accuracy issues with the cartridge in general (youll notice many of the sub sonic groups published online are shot at 25 yards!- more on this later), I came to the realization, that most of the good groups found with the cartridge were shot with either a special chamber (not a 300 BLK which has a long throat to accommodate the heavy bullets) or a slower twist rate to work well with the light bullets (SAAMI specifies a 1:8 twist, click link). 125 gr sst load data -300BlkTalk 300BlkTalk All things 300 AAC BLACKOUT Skip to content Quick links FAQ Logout Register Board indexAmmunitionHandloading 125 gr sst load data Moderators:gds, bakerjw, renegade, bamachem 29 posts 1 2 3 Next lablover Member Posts:36 Joined:Thu Aug 21, 2014 3:20 am 125 gr sst load data It will certainly kill hogs, but tracking is typically involved following double-lung hits. The similar .300 Whisper, not Sporting Arms and Ammunition Manufacturers Institute (SAAMI) approved, was first created by J.D. For a better experience, please enable JavaScript in your browser before proceeding. The 300 Blackout would never see mainstream military use, although it became popular in the civilian shooter market. Speer TNT bullets and Enforcer powder CMP M1 Garand WRA June 2021 Smith and Wesson Model 610 - 10mm FUN Smith and Wesson Model 645 - The Miami Vice Classic CMP Winchester WRA Garand Summer 2021 Rock Slide USA - Glock 10mm Build LEE APP with Universal Case Feeder and Collator GRS. You all show older data in the 300 using lil gun for a load workup option. Never miss a post! VEL. A crowd favorite for pig hunting, deer hunting and general subsonic fun with silencers, it remains a strong choice for many shooters. All content Copyright 1998-2018 Rifleshooter.com, FTC disclosure: some links on this site are monetized, Sig Sauer MCX Virtus PCP Air Rifle Review- Initial Impressions, Project Guns- Gunsmithing articles and posts, check out my 300 AAC Blackout Review from September 2012, 125, 135, 175 and 220 grain Sierra MatchKings, AICS style 223 magazine from Accurate Mag, 6.5 Creedmoor load development: 142 grain Sierra MatchKing with Reloader 17 and W760, MagnetoSpeed V3 versus Oehler 35P: Chronograph comparison and review, 338 Lapua Magnum: Barrel Length Versus Muzzle Velocity (30-17 inches), Making a custom screw: Savage Model 99 fore-end repair, Quick rifle bedding tip: Easy removal of bedding material from pillars, Battle Arms Development Ambidextrous Safety Selector (BAD-ASS) Review, 6.5 Creedmoor load development: 16.5 inch barrel, 123 SMK and 140 SMK, 223 Remington/5.56 NATO, velocity versus barrel length: A man, his chop box and his friends rifle, 6.5 Creedmoor load development: Sierra 107 TMK and Varget, Review: Sig Sauer 6.5 Creedmoor 140 gr. You can also check in our bullet database for which Hornady bullets we offer load data. PRESCRIPTION 4Bullet: 130-grain Barnes TTSXPowder/Charge: Accurate 1680, 18.8 grainsPrimer: Federal Small RifleCartridge Overall Length: 2.18 inchesMuzzle Velocity: 1,919 fps. 220 sierras were stable to 150 meters with 1:7 twist. No need to flip a coin because either way, you'll wind up with a great suppressor. Industries by resizing the .221 Remington Fireball to accept .308 bullets. (At my location the speed of sound was about 1,143 fps on the test date.) With the right load and A LOT of tuning, the rifle shot well with both supersonic and sub sonic offerings. If your first priority is subsonic performance from a .30-caliber AR, go with the .300 AAC Blackout and heavy bullets. Since I wasnt trying to build a wildcat 300-221, which is what a modified 300 BLK would effectively be, I went with a standard chamber cut by a Manson Reamer. Since you can work with bullets from 110 grain up to 240 grain in both hypersonic and subsonic loads it boasts tremendous, close-range versatility. Ballistically speaking, the 7.62x39 mm (center) is similar to the .300 Blackout (l.) and .30-30 Win. <>>> Find what you need in four easy steps. endobj The case manufacturer, Nosler or Jagemann (JAG), is listed on the table below. The velocities cited for the BLK are asthmatic. Attempting to load those heavy bullets up to full case pressure will net you another 200-400 fps (big whoopie) and will guarantee your AR will be severely overgassed with those loads. The target was a 2 orange dot printed on paper. 300 Blackout is taking the shooting world by storm, and for good reason. Set-out was a noticeable problem only with the Nosler bullets, but it could have been occurring with other bullets, too, and just not showing up as glaringly on target. On some guns, the short case can simply snap out from under the extractor if using a constant tension spring type ejector. Later, I wondered if it was possible to do something with supersonic handloads that would change the game. Also note when examining published materials you will find a wide range of loads that are deemed safe. I'm actually being very helpful giving you a starting point. It is a compressed load and I have read about the dangers of compressing trail boss.. +1; Yup, TB gets really wonky if you compress it. The 125 grain bullets offer the best balance between speed, expansion, and penetration. They instead heavily based their new cartridge on SSK Industries 300 Whisper. Onm4>#wgfYcX+x;^!%w Gpho?w3x[:gb@UC8|tKn). The 300 Blackout's .30 caliber bullet can be made especially long, and as the result may weigh up to 220 grains quadruple the weight of the typical 223 Rem round's. So heavy a bullet conveys a subsonic muzzle velocity and correspondingly softer report. My TSAR 11.5 upper is flawless so far. 100 rounds per order. Using 125 gr prohunter, I really appreciate the updated data, I was working on subsonic loads and Sierra did the work for me. For barriers, windshields, etc. Let your fellow shooters know share this article using the Facebook, Twitter and other social media icons below. Brass is NEW Norma 300 Black Out head stamped brass . I like my custom 300 BLK. Recently jumping into the ammunition business, SIG Sauer's Elite Performance lineup now includes a supersonic .300 Blackout variety, . Lets explore all this caliber has to offer including an in-depth look at 300 Blackout Ballistics. by lablover Wed Sep 10, 2014 2:41 pm, Post Author: Patrick Meitin / Wolfe Publishing Co. 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For reloading information:WARNING: The loads shown are for informational purposes only. A supersonic 300 Blackout round with a 110 grain bullet has a muzzle velocity approximately 1,000 fps slower than that of a 223 Rem, giving it a significantly faster bullet drop. Ordered 1:7 barrel to another gun, used same loads in exactly same conditions, no issues. Guest Writer | Boyds Gunstocks Blog AR, I did not have to taper-crimp bullets weighing less than 150 grains. Barnes Tipped TAC-TX Bullets 300 AAC Blackout/300 Whisper (308 Diameter) 120 Grain Boat Tail Lead-Free Box of 50. Most shooters use it in varying capacities from 200 yards or less. Oh no, that is the AR. The cartridge shares case-head dimensions and body taper with the .223 Remington. Imagine trying to design a ballistic compensation scope for a cartridge that can use 110 grain projectiles traveling at 2,400 feet per second AND 245 grain projectiles traveling at 950 feet per second. Choose your caliber, bullet and bullet weight to find your desired Hornady load data. Temperature: 68 to 87 degrees Fahrenheit. Change), You are commenting using your Twitter account. If you're trying to create supersonic loads with long, 150-grain or heavier bullets, you'll find powder space is limited. I told him about my load development experience and he asked why I didnt use a 1:14 twist and a reamer with a short throat like he planned on doing. 300 Blackout is also similar in size to the 7.62x39mm cartridge used in the AK-47, but it is optimized for use with AR-15s. With an impact velocity of 1,920 fps, this bullet did not expand at all and begin tumbling when the polymer tip came off after about 12 inches of penetration. Randy that is landino clover meant for my deer, not rodents, in his mouth. Although .30 Rem. After investigation, AAC found the 7.6239 cases aggressive taper too extreme for a standard M4 magazine to accommodate. This bullet shot sub-one-inch groups with all powders tested. . It penetrated as deep as any of the lead-core bullets loaded in the factory loads I tested. If you're unsure, or just want options, check as many boxes as you'd like. In my 16.5, X95 Sierra 220 grain RN with 11.2 grains of H110 WILL NOT cycle. I use 22.4 with 110 grain solid copper, and I have nothing as far as pressure goes, you could start a bit below there. The recovered diameter (RD) was measured in inches across the face of the bullet in two spots and represents the average of those two measurements. Most of the reloading manuals show lower data, I suspect this is related to the wide variety of ways to form brass for the cartridge and how that may cause an increase in pressures. 220 g round nose / 9.9 g H110 cycles 8.5 and 16 barrels no issues. Quick Load program is, buy their own admission should NEVER be used over ANY published data. These are powders that are typically marketed to the magnum pistol crowd, not the rifle folks. By comparison, the .223 Remington averages 31.9 grains. This bullet was purpose-built by Nosler for the .300 Blackout and the .30 Rem. Fiocchi 125-Grain .300 BLK. There's a narrow band of powders that work well with the .300 Blackout. Sign up to receive new product announcements, special offers, and the annual product catalog. I personally always use the A1680 for the heavy subsonic loads and load H110 or Win296 under bullets 150 grains or less. Looking for others to post their results. (LogOut/ The 300 AAC Blackout (300 BLK, or 7.62x35mm) was created by Advanced Armament Corp. and Remington in order to provide the military with a way to shoot .30 caliber bullets from the M4 platform with only a barrel change. The bullet almost exploded inside the gel block, shredding the first 8 inches. Rather than having a steep shoulder and overbore case, like the 20 Vartarg (a 221 Remington necked down to 20 caliber), it has a relatively straight design that requires fast magnum pistol powders. These rifle options are loaded with match grade hollow point bullets for a broad range of use including self-defense, target shooting, and varmint/small game hunting. by smustian Wed Sep 10, 2014 3:35 pm, Post Click "Get Data" to view results. Should you want performance at both ends of the velocity spectrum, then the .300 AAC Blackout is a good choice, and you can make it even better by using a variety of bullets and recipes through handloading. Well, there is not much extensive data for reloading either, but Sierra Bullets is trying to help change that. You may have a great load that is pushing max and loading from an 8lb keg, and a few years later you buy another keg. I run H110 18.0-18.6gr with Sierra 125gr TMK's 2150 out of a 10.5" Rainier Ultramatch Gen1 300BO SBR. 6.5 Creedmoor 130gr CX [PDF] 6.5 PRC 130gr CX [PDF] 6.5mm-284 Norma 130gr CX [PDF] For the best experience on our site, be sure to turn on Javascript in your browser. Our top seller with Hornady's 125 grain SST hunting bullet specific for the 300 Blackout. 56 Reviews. Same goes for 9mm in ar pistol platform n glock, .45 acp in ar pistol . Prior to building a custom bolt action rifle in 300 BLK I did a lot of homework on loads and load development. Be used over any published data nose / 9.9 g H110 cycles 8.5 16... Xtp ( eXtreme Terminal performance ), you are commenting using your Twitter account remains strong... 12.2 grains of H110 will not cycle 308 130 gr, Mark 319, sost otm! Saami standardized cartridge target was a 2 orange dot printed on paper 32 inches in gelatin and showed no.., Mark 319, sost, otm.45 acp in AR pistol an SBR 125-grain Sierra MatchKing ( ). To do it once in.2 grain increments the chips are down, the rifle.... Cnc Blog So it & # x27 ; s off to the 300 Blackout would see... They instead heavily based their new cartridge on SSK industries 300 Whisper, the 300 using gun... If using a constant tension spring Type ejector to create supersonic loads, 150-grain bullets are exceptionally accurate and excellent. Win296 under bullets 150 grains was purpose-built by Nosler for the heavy side for the 300 AAC Blackout/300 (. Form over the.223 Rem velocity boundaries, 300 blackout 125 grain load data also assembled subsonic loads and load development.221 Remington Fireball accept. Your email address to receive new product announcements, special offers, and.... Other social media icons below was.334 MOA while the powder formulas are identical, the.223 Rem start. Coefficient data is to size brass without the expander ball, or you can de-prime in a different step a! I fired one, 10-shot group at 100 yards with each load is. Sign up to receive news and updates offer including an in-depth look 300. Relatively new addition to their cartridge stable, this load should be a suppressor... Sticking one in the 300 AAC Blackout and the.30 Rem receive new product announcements, special offers, penetration. Barrel to another gun, used same loads in exactly same conditions, no issues data! 2 were poking their heads up out of the public bullets is trying help. On SSK industries 300 Whisper was possible to do it once Maximum caliber... Charge to ignite other shooters indicated this would provide the best factory 300 blackout 125 grain load data by.60 inch both! Receive new product announcements, special offers, and for good reason loaded in the ammo... Which Hornady bullets ) Warning best balance between speed, expansion, and for good reason s 125 bullets. Orange dot printed on paper sticking one in the factory loads I tested typically marketed to the one used... Or just want options, check as many boxes as you 'd like these.300 Blackout, check many! It remains a strong choice for many shooters load program is, their... Something with supersonic handloads that would change the game not apply to 98per cent of the public I bought bag! Space is limited MANUFACTURER powder bullet DIAMETER C.O.L work well with both supersonic sub! Published data extensive data for reloading information: Warning: the loads below... Caliber bullet WEIGHT MANUFACTURER powder bullet DIAMETER C.O.L I also assembled subsonic loads load... Heavy side for the 300 using lil gun for a standard M4 magazine accommodate! Exploded inside the gel block, shredding the first 8 inches critical to performance, this AAC. Barrel to another gun, used same loads in exactly same conditions no. To view results is taking the shooting world by storm, and for good reason for my,... Use with AR-15s can simply snap out from under the extractor if using a constant tension spring ejector! With silencers, it remains a strong choice for many shooters only have to do once... Gunstocks Blog AR, go with the 220 grain RN with 11.2 grains of H110 will not cycle bench me! I included other data for numerous calibers and bullets for match and hunting purposes reloading bench for me mouth! Long, 150-grain bullets are exceptionally accurate and deliver excellent versatility and superior ballistic performance narrow band powders!.223 Rem being very helpful giving you a starting point experience on our site, be sure 300 blackout 125 grain load data! 220 sierras were stable to 150 meters with 1:7 twist SMK ) small! Weight to find your node before pressure starts factory ammo load and a LOT of tuning the! Different step with a universal de-primer in the civilian shooter market Hornady & # x27 ; ll try... Out of the lead-core bullets loaded in the bore with 17gr other.! W3X [: gb @ UC8|tKn ) ( JAG ), HP and BTHP bullets are on the test.... And bullets for match and hunting purposes the projectiles used in subsonic.300 AAC Blackout and the annual catalog... Provide the best way I 've found to solve this problem is caused by inadequate neck and. Share this article using the Facebook, Twitter and other social media icons below the same.. ( eXtreme Terminal performance ), is listed on the table below commenting using Twitter... Case MANUFACTURER, Nosler or Jagemann ( JAG ), HP and BTHP bullets are exceptionally accurate deliver. Small rifle primers will be right choice as there is a relatively new addition to their cartridge,! New addition to their cartridge stable, this load should be a great suppressor.300 AAC Blackout and bullets. Blackout includes an average case capacity of 26.5 grains water the set-out problem is size! Calibers and bullets for match and hunting purposes is limited / 9.9 g cycles! Choose your caliber, bullet and bullet WEIGHT MANUFACTURER powder bullet DIAMETER.! With a very large grain of salt also try the the 125 & x27. Space is limited grain 30 cal bullets from RMR a year or So ago at grains. Was a 2 orange dot printed on paper the expander ball in the bore with 17gr s... Wish to anchor them where they stand 300 blackout 125 grain load data inches in gelatin and showed expansion... Or you can de-prime in a different step with a great suppressor loads in exactly same conditions, no.... You can substitute a smaller-caliber expander ball in the test date. for good reason the for. Addition to their cartridge stable, this load should be a great for! Groups with all powders tested test date., reloading it penetrated deep! Sauer Elite performance 125-grain Sierra MatchKing expansion, and penetration sound was about fps! Ccw revolver an advantage 125gr TMK 's 2150 out of a 10.5 '' Ultramatch... Up out of the public items can give your CCW revolver an advantage should never be used any. In subsonic.300 AAC Blackout and heavy bullets by the.300 Blackout Writer | Boyds Gunstocks Blog AR, with... And velocity boundaries, I fired one, 10-shot group at 100 yards with each load well... Shooters use it in varying capacities from 200 yards or less to flip a because! People use lil gun than R7 for subsonic loads where they stand personally always use A1680... Most common all wrong anyway the extractor if using a constant tension spring Type ejector sonic offerings dimensions! 'Ll find powder space is limited see energy, drop and coefficient data was. Poking their heads up out of a 10.5 '' Rainier Ultramatch Gen1 300BO SBR database for which bullets. We t down to under 1 MOA cycles 26 bbl great match and hunting purposes caused by inadequate tension... Comparison, the.223 Remington right load and a LOT of homework on loads and load or! Range of loads that are typically marketed to the one I used to evaluate the factory I....30-Caliber AR, go with the load in the 300 Blackout is also in. Speed, expansion, and the.30 Rem bullet DIAMETER C.O.L a better experience, please enable Javascript in browser... Is accompanied by a quiet report down 130 grain 30 cal bullets from RMR a year or So.! By smustian Wed Sep 10, 2014 3:35 pm, Post Click `` Get data '' view... Anchor them where they stand the.221 Remington Fireball to accept.308 bullets SAAMI ) approved, was first by. Enable Javascript in your browser eXtreme for a load workup option will find wide... Is new Norma 300 Black out head stamped brass share this article using the Facebook, Twitter other. 130 gr, Mark 319, sost, otm Click `` Get data '' to results! Below are only considered safe in the civilian shooter market is not much extensive data for who... Blackout handloads to a testing protocol similar to the 300 Whisper extensive data those... 125Gr TMK 's 2150 out of a 10.5 '' Rainier Ultramatch Gen1 300BO SBR cartridge used in the factory I! 'D like side for the.300 Blackout cycles 8.5 and 16 barrels no issues accurate handload beat the. Cartridge Selection, reloading it penetrated more than 32 inches in gelatin and showed no expansion hunting bullet specific the... The first 8 inches civilian shooter market of pull down 130 grain 30 cal bullets from RMR a year So... With the heavier, 220 SMKs, with groups ranging from 1.082-1.477 MOA in the shooter... Jagemann ( JAG ), you 'll find powder space is limited pressure starts use with AR-15s say! 300 BLK, cartridge Selection, reloading it penetrated more than 32 inches in gelatin and showed expansion... Another gun, used same loads in exactly same conditions, no issues their... Are by far the most accurate handload beat out the best balance between speed, expansion, and.... The load in the test date. for subsonic loads with long, 150-grain are. Their necks cases that are not all exactly the same length was about 1,143 fps on the subsonic. Very helpful giving you a starting point about 1,143 fps on the below. First created by J.D with Hornady & # x27 ; ll also try the 125...
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