300 blackout powder

Aug 9, 2022. #1. I got a new AR Platform based rifle in 300 Blackout. I built it myself with Aero Precision and a Proof Research 16" Barrel with Superlative Arms Adjustable Gas Block.. I plan to shoot this suppressed and want to use heavier bullets and stay subsonic. I have Lapua brass because I use it for everything I reload in rifle.

300 blackout powder. 1-Cfe black with CCI 400,CCI 450 2-Accurate 5744 with CCI 400, CCI 41 3-Imr 4228 with CCI 450, Remington, 7 1/2 magnum primers 4- Hogdon lil gun with CCI 450, federal small rifle 5- n110 for lighter bullets n120 for high gr bullets with CCI 41, federal small rifle. I'm working up optimized loads for both subs and supers for a 16" bolt gun (1:7 ...

Hodgdon CFE BLK is a spherical powder that was originally developed for subsonic 300 Blackout loads. This excellent rifle propellant utilizes the Hodgdon CFE formula, Copper Fouling Eraser, virtually eliminating copper fouling, clean burning and minimal muzzle flash. For competitive shooters and hand loaders seeking the perfect powder for ...

Jun 8, 2023 · Features. From Hodgdon Powder Company, the CFE BLK Smokeless Rifle Powder was specifically formulated for .300 Blackout cartridges. This powder is known to be one of the best powders available for subsonic .300 Blackout rounds. The main concern in using .300 Blackout powders is having any unnecessary weight to your rifle. 300 AAC Blackout Powder Through Expanding Die 300 AAC Blackout Load Data Self-Hosted Help Desk Software by SupportPal. Categories. 2. General 20. Custom Services 27. Dealers 10 — Online Dealers 16 — Outside USA (export) Dealers ...In this video I will show you how to reload 300 AAC Blackout Ammo. I will be going over the basics of how to reload this ammunition. This is a step by step...A buddy was connecting at over 600 yards shooting subs out of my 6” 300 Blackout. 99.9% of everything I do is with subsonics. I spend hours researching powder specs and using programs like QuickLoad to find …Dec 17, 2022 · Based on feedback from shooting experts, the best barrel length for .300 Blackout suppressed is 8 to 10 inches. If your barrel is 8 to 10 inches, attaching a 6-inch suppressor will take the barrel’s length to 14 to 16-inches. At 16 inches, .300 Blackout barrel muzzle velocity is close to its peak, giving you a powerful weapon for making ... 7 Jul 2016 ... AP2020 Merchandise https://ballisticink.com/collections/all/patriot-partner_ap2020-outdoors PLEASE SUPPORT AP2020 and Check out These ...300 AAC Blackout Test Specifications/ Components Firearm Used: Universal Receiver Barrel Length: 16” Twist: 1-8’’ Case: Hornady Trim-to Length: 1.363’’ Primer: Winchester WSR Remarks: 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 …Discover the best 300 Blackout powders for precision and power. Explore top-rated powders like CFE BLK, Alliant Powder, Hodgdon H110, and...

Aug 10, 2022 · Aug 9, 2022. #1. I got a new AR Platform based rifle in 300 Blackout. I built it myself with Aero Precision and a Proof Research 16" Barrel with Superlative Arms Adjustable Gas Block.. I plan to shoot this suppressed and want to use heavier bullets and stay subsonic. I have Lapua brass because I use it for everything I reload in rifle. These bullets can be used in 300 blackout, 308 winchester, 30-06 Springfield or any other load that calls for a .308 diameter projectile. Quantity Discount as Follows: Prices include shipping! 2 Units, 500 count: $101.00, $51.00/250. 4 Units, 1000 count: $196.00, $49.00/250.27 Dec 2017 ... The most versitile powder I've found so far is Alliant 2400 although so far I've only tried 110gr -150gr bullets with it. Seems 2400 may be ...May 20, 2020 · The subsonic 300 Blackout loads are often compared to 45 ACP, 10 mm or 9mm subsonic rounds. This showcases the dual purpose of the round. The advantage of 300 Blackout is if the shooter wants an AR-pattern rifle or pistol that is easily suppressed, they can use a common magazine and typically only need to swap an upper receiver. CBA Member. SierraHunter posted this 02 February 2017. I've been working with the 300 blackout for a while now. I'm just starting to start working with cast bullets in it, and have been asked by several people to document my load development. My elderly goal is to have a load thay will shot a inch at 100 yards and cost under 10 cents each.The .300 AAC Blackout also burns powder faster than its .30 caliber siblings. You can also easily suppress a rifle that shoots this round to gain even more advantage. In terms of recoil, you’ll experience about 9 pounds to the shoulder. When it comes to penetration, this caliber performs well.

KFW. Loading some 300 Blackout for the first time in a couple of years and on the Dillon 550. Just now getting around to testing out some bullets and powder that I bought back in 2019. Here’s to the Good Old Days.300 Blackout Facilitates Versatility, Efficiency, and Resourcefulness. Aside from the ease of reloading, the .300 blackout rounds use powder efficiently and even use less powder than the .223 rounds, which means less cash spent on gunpowder. You can also use 5.56 casings if you don’t have enough brass.But the largest and most visibly distinct difference is the bolt face for 7.62x39 and .300 Blackout. Because 300 BLK was designed to use the same bolt as 5.56 NATO, it’s stronger. A lot stronger. 7.62x39 requires a much larger bolt face and this makes for a thin-walled bolt that can and will break easier.300-MP 17.5 2075 19.5 2256 A-5744 17.6 1919 19.6 C 2117 H110 18.2 2213 20.2 2415 300 AAC Blackout uggested Bullet se Maximum Loads Should Be Used With Caution - Always Start With Minimum Loads. *Recommended Powder C Compressed Load 2 110-grain TAC-TX FB Sectional Density .166 Ballistic Coefficient .289 C.O.A.L 2.250” Powder Minimum …CFE Pistol was NOT made for the 300 Blackout. It's a faster burning Pistol powder. Hodgdon CFE BLK was made for the 300 Blackout. The "CFE" in the names only refers to "Copper Fouling Eraser"elements being in the powder. You're gonna put your eye out! Don't mess around if you don't know WTF you're doing.Best 300 Blackout Powder for Accuracy. W296 is a fast-burning pistol powder that is popular among reloaders of the 300 Blackout cartridge. It is well-suited for use with heavy bullets and subsonic loads and is known for its consistent performance and low recoil. W296 is a versatile powder that can be used in a wide range of bullet weights, but ...

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CFE (Copper Fouling Eraser), is an additive that significantly reduces copper fouling in rifle and pistol barrels. CFE BLK is a spherical powder formulated for the .300 AAC Blackout, but suitable for a wide variety of rounds, including smaller capacity rounds in the Hornet/Fireball class and AR-15 cartridges ranging from the 6.8 Remington SPC ...DISCONTINUED .300 Blackout 195 Grain Round Nose Flat Point - Coated - 250ct. $37.00. Current Top Sellers. 1. DISCONTINUED .300 Blackout 195 Grain Round Nose Flat Point - Coated - 250ct. $37.00. New Products. DISCONTINUED .300 Blackout 195 Grain Round Nose Flat Point - Coated - 250ct.These bullets can be used in 300 blackout, 308 winchester, 30-06 Springfield or any other load that calls for a .308 diameter projectile. Quantity Discount as Follows: Prices include shipping! 2 Units, 500 count: $101.00, $51.00/250. 4 Units, 1000 count: $196.00, $49.00/250.The 300 BLK shoots .308 caliber bullets. 3. Suppressor-Friendly: You can shoot heavier bullets subsonic. The subsonic capabilities of the 300 BLK make it ideal for use with a suppressed AR. 4. Great Barrel Life: With a .30-caliber bore and a modest powder charge, barrel life is outstanding. 5.The 300 AAC Blackout delivers ballistic performance comparable to 7.62×39, yet possesses a base diameter that optimizes functionality in an AR-type platform. It is cross-compatible with 223 …

There's a narrow band of powders that work well with the .300 Blackout. If you're trying to create supersonic loads with long, 150-grain or heavier bullets, you'll find powder space is...You find .300 AAC Blackout with all common powders and bullets by clicking the 'Loads in this caliber' button above. Technical Specifications (based on the respective safety standard - see more details in tab 'Datasheet' if available)7 Jul 2016 ... AP2020 Merchandise https://ballisticink.com/collections/all/patriot-partner_ap2020-outdoors PLEASE SUPPORT AP2020 and Check out These ...Want to produce 300 Blackout rounds with factory-manufactured quality? This guide reviews the best 300 Blackout powders and explains everything you need to consider before buying one.Mar 2, 2022 · 3,470. Location. North Texas. Mar 16, 2022. #6. Not sure about temp sensitivity since the 300 blackout typically uses pistol powder. I use Alliant 300MP in mine and get phenomenal accuracy and velocity from an 8" SBR. I run the 110 Barnes TAC-TX at 2315fps from my 8"'barrel. The below plate was shot at 300 yards. There are so many different powders and bullets for .300 blk. A adjustable gas block can make lighter bullets still function the action. I shoot 147 M80 bullets for cheap plinker subsonics. Jhonnys reloading bench has some great videos of load development for a wide range of bullets and powders.15 Mar 2020 ... Comments156 · 300 BLK Pea Shooter (Powder Coated .310 Round Balls) · 300 BLK - Powder Coated Bullets with Lil' Gun · 300 Blackout - Loading...Buy Armanov - 300 AAC Blackout – Rifle Powder Funnel for Dillon Powder Measure- for Dillon XL 650: Gunsmithing Tools - Amazon.com FREE DELIVERY possible on eligible purchases

Buy Armanov - 300 AAC Blackout – Rifle Powder Funnel for Dillon Powder Measure- for Dillon XL 650: Gunsmithing Tools - Amazon.com FREE DELIVERY possible on eligible purchases

You find .300 AAC Blackout with all common powders and bullets by clicking the 'Loads in this caliber' button above. Technical Specifications (based on the respective safety standard - see more details in tab 'Datasheet' if available) Caliber:.300 AAC Blackout: Cartridge Type: Rimless: Bullet Diameter: 0.308 '' | 7.82 mm:Posted by Alice Jones Webb on Aug 18th 2020. .300 AAC Blackout is hands-down, one of the coolest alternative AR-15 cartridges on the market today. This wicked cartridge is more than capable of dropping whitetails at 100 yards and ringing steel targets farther than that. And when you use subsonic ammo, the loudest sound you’ll …The 300 blackout round is prominent in hunting and personal defense. Be Alert: Publisher cannot be responsible for errors in published load data. Wt. .300 Whisper / .300 AAC Blackout / .300 Blackout (Hodgdon Data) reloading data with 73 loads. Using bullets from Hornady V-Max, Berger TGT FB, Nosler BT, Speer HP, Sierra HPBT, Nosler HPBT ...Printed from Shooter's Reference on 05/07/2024: https://www.shootersreference.com/reloadingdata/300-aac-blackout/Mar 2, 2022 · 3,470. Location. North Texas. Mar 16, 2022. #6. Not sure about temp sensitivity since the 300 blackout typically uses pistol powder. I use Alliant 300MP in mine and get phenomenal accuracy and velocity from an 8" SBR. I run the 110 Barnes TAC-TX at 2315fps from my 8"'barrel. The below plate was shot at 300 yards. Sierra is working on load data for 300 BLK. Due to the longer throat, it can take more powder and can give more velocity than 300 Whisper(TM). Before it seemed like only hand-loaders who were unaware or indifferent of the pressures could reach true 7.62x39mm velocities. With the BLACKOUT, you can find powders which actually reach that at 55,000 ...Posted by Alice Jones Webb on Aug 18th 2020. .300 AAC Blackout is hands-down, one of the coolest alternative AR-15 cartridges on the market today. This wicked cartridge is more than capable of dropping whitetails at 100 yards and ringing steel targets farther than that. And when you use subsonic ammo, the loudest sound you’ll hear is the ...Shooters World Blackout Powder is ideal for the 300 Blackout cartridge. Buy all your Shooters World Powders at Powder Valley at Cheap Prices!

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Buy Hodgdon Lil’Gun shotshell & handgun smokeless powder. Lil’ Gun is an advanced technology propellant designed for 410-bore shotshell reloaders. Toggle menu. RELOADING DATA CENTER. Search. ... The best of powders that I've used for .300 Blackout W/ 125 Gn Bullets. Nothing else quite does it like Lil' Gun. 5 Lil gun. Which powders for 300 Blackout? I'm new to reloading and unsure which powders will suit my needs for .300 Blackout. I would like to experiment with two different loads; 125gr supersonic and 220gr subsonic. I've read that A1680 is the best powder for cycling the subsonic rounds in an AR. Want to produce 300 Blackout rounds with factory-manufactured quality? This guide reviews the best 300 Blackout powders and explains everything you need to consider before buying one.Performance Characteristics: 300 Blackout vs 308 Win. Once you’ve decided which rifle action you’ll be using, this is really where the differences between the two cartridges become apparent. The 308 is a medium-sized rifle cartridge with a powder charge somewhere around 36 to 46 grains with a typical 150-grain bullet.1 Mar 2017 ... I have only worked with a couple bullets so far, but plan on trying quite a few, both powder coated and lubed. I know with jacketed bullets, the ...Lil’ Gun was designed to fit, meter and perform flawlessly in the 410-bore. No more spilled shot or bulged cases. In addition, Lil’ Gun has many magnum pistol applications and is a superb choice for reloading the 22 Hornet. Made in the USA. Available in 1 lb., 4 lb. and 8 lb. containers.Mar 2, 2022 · 3,470. Location. North Texas. Mar 16, 2022. #6. Not sure about temp sensitivity since the 300 blackout typically uses pistol powder. I use Alliant 300MP in mine and get phenomenal accuracy and velocity from an 8" SBR. I run the 110 Barnes TAC-TX at 2315fps from my 8"'barrel. The below plate was shot at 300 yards. Users of Russell Simmons' RushCard prepaid card will be getting $10 million payout, the Consumer Financial Protection Bureau on Wednesday. By clicking "TRY IT", I agree to receive ...I've got a range of powders sitting on my bench, and none of them are in my recipe book for 300 Blackout loads, so I'm going to need to buy something new. I figured I could get some recommendations that might steer me in the right direction before going out and dropping $30-$35 on a pound of powder that I don't like how it meters, or performs. – Or, for .300 AAC Blackout loads, try 0,68 g of N120 with 13,0g/200 gr Lapua FMJBT bullet Vihtavuori N120 powder is available in 1 lbs, and 1 kg containers and in the USA also in 8 lbs canisters. ….

14 Sept 2022 ... Testing some IMR 4227 out in the 300 Blackout today. Using some Cast Lee 309-230 Powder Coated Rounds, sized to .309.For example, 10.5 gr. Accurate 1680 behind a 208 gr. A-Max, 909 fps in the short barrel, 1089 fps in the rifle barrel. Which would suggest to me that, in the case of Accurate 1680 anyway, 8 inches of barrel does not give a complete burn. Faster powders like H110 or Li'l Gun may get a more complete burn.Printed from Shooter's Reference on 05/15/2024: https://www.shootersreference.com/reloadingdata/300-aac-blackout/Apr 13, 2017 · The 300 BLK shoots .308 caliber bullets. 3. Suppressor-Friendly: You can shoot heavier bullets subsonic. The subsonic capabilities of the 300 BLK make it ideal for use with a suppressed AR. 4. Great Barrel Life: With a .30-caliber bore and a modest powder charge, barrel life is outstanding. 5. I built a Blackout, 10.5 inch barrel, specifically to shoot suppressed with subsonic loads. Bought an 8 lb jug of 1680 powder before the gun was built. Fast forward, built the gun and a form 1 can and started working up loads. Found lighter loads left lots of unburned powder. Cleaner burning loads were louder than I thought they should be.The CFE BLK spherical propellant is designed expressly for the 300 Remington AAC Blackout cartridge and meters very accurately. …While Hodgdon H110 is a high-performance powder, it can be difficult to work with due to its high pressure and burn rate. Careful attention must be paid to load development and case preparation to ensure safe and reliable performance. 2. Accurate 1680 Powder for 300 blackout.The .300 AAC Blackout also burns powder faster than its .30 caliber siblings. You can also easily suppress a rifle that shoots this round to gain even more advantage. In terms of recoil, you’ll experience about 9 pounds to the shoulder. When it comes to penetration, this caliber performs well.270 Winchester Short Magnum. 28 Nosler. 280 Ackley Improved. 280 Remington. 30 Nosler. 300 AAC Blackout. 300 H&H Magnum. 300 Remington SA Ultra Magnum. 300 Remington Ultra Magnum.The subsonic 300 Blackout loads are often compared to 45 ACP, 10 mm or 9mm subsonic rounds. This showcases the dual purpose of the round. The advantage of 300 Blackout is if the shooter wants an AR-pattern rifle or pistol that is easily suppressed, they can use a common magazine and typically only need to swap an upper receiver. 300 blackout powder, Printed from Shooter's Reference on 05/15/2024: https://www.shootersreference.com/reloadingdata/300-aac-blackout/, 8 Mar 2017 ... Testing some powder coated bullets with IMR-4227 in my 300 Blackout., Reloading Data Center – Hodgdon Reloading Data Center. Reloading Data Center |. 1. Select Filter by Cartridge or Powder to get started. 2. Select other category options to refine your search. 3. Select the "Get Load Data" button to …, (7.62 x 35 mm) (300 BLK) 300 AAC Blackout 135 gr. Sierra Jacketed SP BC: 0.390 150 gr. Sierra MK, Hornady IB BC: 0.417 2.090” min OAL SD: 0.203 2.095” min OAL; 2.135, 2.180 SD: 0.226 Max type Start Velocity Press. Load Velocity Press. unit type Start Velocity Press. Max Velocity Press. unit rifle Powder Grains FPS Grains rifle Powder Grains ..., Trail Boss & 300 Blackout Would someone be so kind to fill a 300 AAC case with Trail Boss, brush it off level, weigh it and tell me how many grains of powder the case held? Benny. 03-06-2017, 03:54 PM #2. Ford SD. View Profile View Forum Posts Boolit Master Join Date Jan 2010 Location Ontario Posts 621 ..., When it comes to powder coating, finding the right company for your project is crucial. Whether you are looking to coat a small part or an entire vehicle, choosing a reliable and e..., Shooters World 300 Blackout Rifle Powder 1lb. Product #: ZKD06302 UPC: 638037636734 Mfg Part #: D063-02. $37.99. $40.99. SAVE $3.00. or 4 interest ... The gas generation rate of this propellant also yields its use to .300 AAC Blackout, subsonic. A spherical propellant, it meters through charge plates consistently and will flow well in a …, Starline 300 AAC Blackout Brass Bag of 50. SKU: STA4220-50. Rated 4.94 out of 5 based on 35 customer ratings. 35 reviews | Write a review. $ 16.99. All Starline is bulk packed; for example, if you order 10 bags of 50 it will be packed …, 10mmShooter. 315 posts · Joined 2017. #3 · Sep 2, 2018. I have used Win 296 (same as H110) with good results in subsonic 300 Blk using Sierra 220gr and Hornady 208gr Amax shot out of a 8.5" SBR with a can. My favorite powder for 300 Blk subs is Accurate 1680, but it became scarce during the Obama days and I had to go with what I …, Nov 28, 2023 · Sniper’s Hide is a community of Snipers of all kinds, focusing on long range shooting, accuracy, and ballistics. Founded by Frank Galli in 2000, Sniper’s Hide has been offering informational videos, podcasts, and other support to its users in one location. Forum Statistics. Threads. 473,889. , Rifle Dies. The 300 AAC Blackout Loading Data wasn't listed in the 2016 version because we hadn't received load data for that caliber at the time of the printing. However, it is listed in the 2017 and later printings. The 2017 printing is identified by the gold star on the front cover that states "Revised 2017 New Powders over 37,000 loads"., 11 Dec 2022 ... How to Reload 300 AAC Blackout Ammo For Beginners. 26K views · 1 year ago ... Hodgdon Powders For 300 BLK Reloading | Gun Talk Media. Gun Talk ..., Brass: New Federal American Eagle 300 Blackout; Powder: Hodgdon CFE-BLK, 12.0 grains; Primer: Federal 205 Small Rifle; Load Disclaimer. Use load data at your own risk. Ultimate Reloader is not responsible for errors in load data on this website. Always cross-reference load data with manufacturer’s published data. 300 Blackout Full-Auto …, You find .300 AAC Blackout with all common powders and bullets by clicking the 'Loads in this caliber' button above. Technical Specifications (based on the respective safety standard - see more details in tab 'Datasheet' if available), Blackout curtain liners are a popular choice for homeowners who want to enhance their privacy, control the amount of light entering their rooms, and improve energy efficiency. More..., Hornady® 300 Blackout features a 190 gr. SUB-X™ (Subsonic eXpanding) bullet with patented Flex Tip® technology, specifically designed to expand at subsonic velocities yet meet FBI protocol. This cartridge is loaded with a powder that is optimized to provide flash suppression, clean burning, yet function in short barrel to carbine length rifles., The Barnes is made for the .300 Blackout and will expand reliably at those velocities. ... It is a pistol powder and behaves like a pistol powder (fast burning) I have pressure issues using it for faster supersonic rounds. I prefer the Lilgun for 125's and the aa1680 for 110's and the subsonic 220's., Jun 18, 2013 · I'm running Hornady 150gn FMJBTs and 150gn soft point core loks over 15.0gn of H110 with an average velocity of 1,855. I'm shooting a Remington 700 AAC-SD in .300 Blackout with a 16" barrel. The loads were producing a 2.2" group at 300 meters. If you want more velocity/expansion I'd go with a 110 or 125 pill. , 1 Jun 2016 ... The 300 AAC Blackout (300 BLK) is a popular ... The low case capacity requires the use of powders with a fast burn rate like H110 and IMR 4227., The short casing of 300 Blackout facilitates the powder to burn quickly and allows gas to build up much more effectively in a short barrel. This gives 300 BLK an edge over 5.56×45mm to achieve much greater muzzle energy when fired through a short barrel. Greater muzzle energy means greater potential in lethality., The Blackout is indeed the .300 Whisper designed by J.D. Jones in 1992 by necking up .221 Fireball cases to accept .30-caliber bullets. The only difference between the …, Best 300 Blackout Powder for Accuracy. W296 is a fast-burning pistol powder that is popular among reloaders of the 300 Blackout cartridge. It is well-suited for use with heavy bullets and subsonic loads and is known for its consistent performance and low recoil. W296 is a versatile powder that can be used in a wide range of bullet weights, but ..., This spherical propellant is designed expressly for the 300 Remington AAC Blackout cartridge and meters very accurately. CFE BLK contains our Copper Fouling Eraser ingredient, originally used in military propellant, which greatly deters copper fouling and contributes to longer periods of top accuracy with less barrel cleaning time., Dec 5, 2015 · The velocity vs powder charge relationship was quite linear throughout this whole range. You can see that the 7.2 gr load that's right at the supersonic transition is very inaccurate as expected. The 5.6 gr loading on the surface seemed to group well and coincided with the bottom elevation adjustment of the scope (it's on a 20 MOA rail) at 50 ... , My 300 BLK slugs around .307", so .309" is plenty big for cast. Another option is the other Lee AK boolit, the TL312-160. It works fine in my carbine. I load 15.4 grains of 296 or 16 grains of Reloader 7 for cycling and good accuracy., The 5.56 fires 55-grain bullets about 3,100 feet-per-second (fps) and 77-grain bullets closer to 2,800 fps. The 300 Blackout, on the other hand, can be loaded with 110-grain bullets for 2,300 fps of velocity or 220-grain bullets for 1,000 fps. These radically different velocities translate to radically different trajectories., The propellant gas generation rate is appropriate for .300 Blackout, 7.62×39, .30-30, .22 Hornet, as well as many straight-walled large pistol and rifle cartridges where rapid transformation from powder to gas is …, Apr 30, 2015 · April 30, 2015 By Dusty Gibson. The .300 AAC Blackout is likely the most versatile cartridge for the AR-15 platform. In fact, almost every ammo manufacturer loading this relatively newborn wildcat is offering specialized loads for specific purposes. Want to shoot 110-grain .30-caliber bullets at 2,250 feet-per-second (fps) through a 10-inch barrel? , 11 Dec 2022 ... How to Reload 300 AAC Blackout Ammo For Beginners. 26K views · 1 year ago ... Hodgdon Powders For 300 BLK Reloading | Gun Talk Media. Gun Talk ..., Sniper’s Hide is a community of Snipers of all kinds, focusing on long range shooting, accuracy, and ballistics. Founded by Frank Galli in 2000, Sniper’s Hide has been offering informational videos, podcasts, and other support to its users in one location. Forum Statistics. Threads. 473,889., Im sticking to the cartridge in ar only because it has a bit more oomf than 223 out of a small frame ar for close range thermal hunting, especially in its sbr state. In a bolt gun I would rather a 308 any day. The blackout in a bolt gun is a novelty. 308 with trail boss is equal to a 300, 308 with real powder is superior., Printed from Shooter's Reference on 05/15/2024: https://www.shootersreference.com/reloadingdata/300-aac-blackout/, AR15/M4/M16 Compatibility. In 2009 the 300 Whisper / 300 ACC became the .300 Blackout (headstamped .300 BLK). This cartridge was much straighter than the 7.62×39, and the same overall length as the 5.56×45 …