300 Blackout vs 5.56 conversation is complicated. Despite using the same case and being shot out of AR-15, each excels in different facets. ... Since it’s a smaller round, requiring less material to construct its bullets and a smaller powder charge to launch it, it was also less expensive—particularly compared to its .30-caliber predecessorVV N120 is probably the best, cleaning powder. N110 and N105 is even better depending on your gas port size and location, especially with heavier subs (200gr+) If you can’t get VV powders, AA9, IMR 4227, lil gun, H110 are okay substitutes. For heavy supersonic, 150-175gr, then AA1680 will be your best bet, although CFE BLK will do okay.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 Rem/5.56×45 magazines. The 300 Blackout’s .30 caliber bullet can be made especially long, and as the result may weigh up to 220 grains — quadruple the ...Printed from Shooter's Reference on 05/07/2024: https://www.shootersreference.com/reloadingdata/300-aac-blackout/This powder is one of the favorites for hunting and varminting loads. Recommended by our pros. N110 will work in many calibers but one of our favorites to try is the .300 Blackout, both Subsonic and Supersonic loads. Vihtavuori N110 rifle powder is available in containers of 1 lbs, 1 kg and 3,5 kg containers, and in the US also in 8 lbs canisters.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 …6 Mar 2017 ... ... 300 Blackout. Using AA-1680 powder I have a load that performs and cycles subsonic suppressed and unsuppressed. Looking for a first aid kit ...Barnes Ammunition 300 AAC Blackout 120 Grain Jacketed Hollow Point Flat Base Box of 20. Rated 5.00 out of 5. 2 $ 24.99. In Stock. Add to cart; ... POWDER VALLEY. FAMILY MEMBER. Be The First to Know About. Site-Wide Sales, Back-in-Stock items, New Products and Much More! " *" indicates required fields.Printed from Shooter's Reference on 05/13/2024: https://www.shootersreference.com/reloadingdata/300-aac-blackout/300 AAC Blackout Full Length 2 Die Rifle Set. 015-7455547 | Lyman. $44.99. In Stock. MSR Precision Die System 300 Blackout 3-Die Set. 015-7690104 | Lyman. $70.99. Out of Stock. Lyman Pro Die Pack 300 Blackout.Alliant Power Pro 300-MP Lake City Federal 205 18.7 2002 20.5 Ramshot Enforcer Lake City Federal 205 16.4 1977 18.2 Vihtavuori N110 Lake City Federal 205 16.1 1955 17.9 C Accurate 5744 Lake City Federal 205 18.0 1851 19.7 C IMR 4227 Lake City Federal 205 17.3 1859 19.0 C Accurate No. 9 Lake City Federal 205 13.2 1810 14.6Mar 17, 2022 · 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 AR-15 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...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 Bottom Line on 300 Blackout Ammo. The 300 Blackout is a rifle cartridge that’s more powerful than the 5.56 when fired out of a barrel that’s less than 16 inches long. The chief advantage of 300 Blackout is its versatility. You won’t find a cartridge that “does it all” better than the 300 Blackout.18 Apr 2023 ... CFE BLK powder was designed for the 300 Blackout, but can be used in the 450 Bushmaster, 500 S&W magnum, 350 Legend, and a lot more.Do you know how to make dishwasher powder? Find out how to make dishwasher powder in this article from HowStuffWorks. Advertisement As the cost of commercial cleaning products cont...Accurate #1680 powder may be a better option compared to Hodgdon's Lil gun w/ a pistol length Bbl. Lovex SBR-SOCOM (D063-01) powder is the ticket for subsonic heavies that will cycle in an …Do you know how to make dishwasher powder? Find out how to make dishwasher powder in this article from HowStuffWorks. Advertisement As the cost of commercial cleaning products cont...When used as directed, BC powders are not bad for you. However, like any medication, misuse can have harmful side effects. BC powders are made up of aspirin and caffeine, neither o...Mar 10, 2020 · The .300 BLK bullets are 0.30 inch in diameter (7.62 mm) and the .223 Rem (5.56 mm) is 0.224 inch. A whole new world of hunting and target-shooting options open with that difference, a fact sometimes obscured by the cartridge’s subsonic and military roots. 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.Protein powder smoothies have become increasingly popular among fitness enthusiasts and health-conscious individuals. Packed with essential nutrients and a convenient way to increa...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..300 AAC Blackout - Published Manufacturer Loading Data Shellholders: Hornady #16. Lee #4. Lyman #26. RCBS #10. Recipe Type: Rifle . Bullet Weight: ALL. 100 gr. 110 gr. 115 …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 ...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 …DESCRIPTION. 300 AAC Blackout Pacesetter 3 Die Set. by LEE RELOADING PRODUCTS. Lee Pacesetter 3-Die Set includes Full Length Sizing Die, Easy Adjust Dead Length Bullet Seating Die, Factory Crimp Die, Universal Shell Holder, Powder Dipper, and Instructions/Load Data. Was this information helpful? REVIEWS. DELIVERY INFO. 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. 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 Maximum ... 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 ... Performance Characteristics: 300 Blackout vs 308 Win. ... The 308 is a medium-sized rifle cartridge with a powder charge somewhere around 36 to 46 grains with a typical 150-grain bullet. Common loadings include bullet weights between 150 and 180 grains. A 150-grain bullet leaves the muzzle of a 20-inch barrel at roughly 2,750 feet-per …The following chart shows the usable interior case volume of all popular rifle cartridges, measured in cubic inches and assuming a standard .013″ brass thickness. By “usable case capacity,” I mean the internal area of the body of the case and shoulder, but none of the neck. This would be the space occupied by powder in the case of a flat ...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.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 (2.26 inches). The wonderful thing about this cartridge is that it was able to use every single part of an existing AR15 except the barrel.300 AAC Blackout 110 Grain Barnes TAC-TX, 2,350 fps .223 Remington 55 grain, 3,100 fps ... in 125 and 135 grain weights. 125 grain Nosler Ballistic Tips and 125 grain Hornady SST bullets are also a great 300 Blackout solution. In terms of powder choices, you’ll use powders in the faster half of the burn rate spectrum, like H110, Lil …My latest design is a bullet that weighs 265 grains using 92-6-2. It IS the heaviest cast bullet designed specifically for the 300 Blackout. It was optimized for powders and charge weights used in the 300 …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 ...Write a review. $47.99. SKU: 4781658. Designed specifically for .300 AAC Blackout cartridges, Hodgdon® CFE BLK Smokeless Reloading Powder pours easily for accurate measurements, and contains a proprietary Copper Fouling Eraser...Hodgdon has announced a new “faster” variant of its popular CFE 223 powder. That’s good news for shooters of small varmint cartridges. Hodgdon’s new CFE BLK (named after the .300 AAC Blackout cartridge) has a faster burn rate than the original CFE 223. That makes CFE BLK ideal for small cartridges such as the .17 Hornet and …15 Mar 2020 ... Comments156 · 300 BLK Pea Shooter (Powder Coated .310 Round Balls) · 300 BLK - Powder Coated Bullets with Lil' Gun · 300 Blackout - Loading...The .300 AAC Blackout (designated as the 300 BLK by the SAAMI and 300 AAC Blackout by the C.I.P.), also known as 7.62×35mm, is an intermediate cartridge developed in the …I have H110, 2400, 3031, Unique and various other powders (but no others I think would be useful for .300 Blackout). 1. Fully cycles and operates the gun, including bolt hold open after firing last round. 2. No excess pressure or excess wear on the brass case. 3.300 AAC Blackout 110 Grain Barnes TAC-TX, 2,350 fps .223 Remington 55 grain, 3,100 fps ... in 125 and 135 grain weights. 125 grain Nosler Ballistic Tips and 125 grain Hornady SST bullets are also a great 300 Blackout solution. In terms of powder choices, you’ll use powders in the faster half of the burn rate spectrum, like H110, Lil …Reloading 300 Blackout: Further Loki Testing. The Hornady 208-grain AMax and 9.4 grains of H110 was a tad too fast. The average velocity was 1,069 fps, but the load’s extreme spread of 96 fps put a few rounds above the sound barrier. The average group size measured 2.21 inches, with the smallest at 1.039 inch.18 Apr 2023 ... CFE BLK powder was designed for the 300 Blackout, but can be used in the 450 Bushmaster, 500 S&W magnum, 350 Legend, and a lot more.16 Feb 2021 ... ... or damages that occur. Reloading 300 Blackout - Part 1- 110g Sierra Varminter with Lil Gun Powder. 2.5K views · 2 years ago ...more. Wanneroo.Learn about where the .300 Blackout came from, its origins, what it was designed for and what it’s most optimal applications are here in our .300 blackout guide for best barrel length, build tips & more. .300 Blackout, Supersonic vs SubsonicI just need to get off my butt and make some .300 AAC brass from .223 brass. Been feeling a bit under the weather lately, so just don't have the motivation to do anything. I've used Unique and Sierra 220 gr RN lightly tumble lubed with 45/45/10. 7.0 gr gave 1044 fps in a 10.5", and 844 fps in a 16" bolt action.10 Jul 2016 ... 230 grain subsonic powder coated cast lead. 300 blackout 1035 fps. From my new build. function, feed, and target test success!Hodgdon has announced a new “faster” variant of its popular CFE 223 powder. That’s good news for shooters of small varmint cartridges. Hodgdon’s new CFE BLK (named after the .300 AAC Blackout cartridge) has a faster burn rate than the original CFE 223. That makes CFE BLK ideal for small cartridges such as the .17 Hornet and …The .300 AAC Blackout (designated as the 300 BLK by the SAAMI [1] and 300 AAC Blackout by the C.I.P. [2] ), also known as 7.62×35mm, is an intermediate cartridge developed in the United States by Advanced Armament Corporation (AAC) for use in the M4 carbine. The cartridge yields increased performance in shorter barrels and effective subsonic ...The power and range of these rounds vary depending on barrel length, projectile weight, powder used, etc. ... This is a significant difference in velocity and energy with the 5.56 having a higher velocity and the 300 Blackout having more energy. At half of our maximum distance, 250 yards, the 5.56 round will have a velocity of roughly 1,793 …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 purchasesFeatures. 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.The .300 Blackout (BLK) has been called everything from the 5.56 killer to the black mamba. ... The 30 cal bullet acts as a plug in the smaller diameter barrel and the faster burning powder of the 300 aac will cause catastrophic failure, EVERY TIME. The confusion is understandable, because the diameter of the bullet is considerably bigger.With the popularity of the 300 AAC Blackout cartridge on a steady rise, more and more reloaders are trying to make the most out of this game-changing round. The 300 BLK became popular for the same reason most other equipment does: versatility. ... The powder also works well for 7.62x39mm and the .17 Hornet. Once we got our hands on …CZ 527 American Synthetic Suppressor Ready Blued Bolt Action Rifle - 300 AAC Blackout - 16.5in. $699.99. Out of Stock. Ship To Store Ship to FFL. Add To Cart. Compare. 1. 300 AAC Blackout Rifles for sale online or in-store at Sportsman's Warehouse. Shop a full selection 300 AAC Blackout rifles from top firearms manufacturers at the best prices.Load Data for .300 AAC Blackout . Bullet: 115 gr TGT FB (Berger Bullets) Diameter: 0.308" Powder: CFE BLK (Hodgdon) Starting Powder: 21.2 gr. Max Powder: 23.0 gr . Primer: REM 7½ ... Alliant Powder 300-MP. Alliant Powder Reloder 10x. Alliant Powder Reloder 7. Hodgdon CFE BLK. ... Powder: BLACKOUT (Shooters World) Primer: Small Rifle Case: JAG. With the popularity of the 300 AAC Blackout cartridge on a steady rise, more and more reloaders are trying to make the most out of this game-changing round. The 300 BLK became popular for the same reason most other equipment does: versatility. ... The powder also works well for 7.62x39mm and the .17 Hornet. Once we got our hands on … 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 ... 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.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.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 ...It’s an extremely capable bullet diameter, and its versatility really shines in the .300 Blackout. The Blackout has a 34.7mm case length, hence the “x35” in 7.62x35. This is shorter than the 5.56 NATO’s 45mm. Ten millimeters were lopped off the top of the 5.56 case to make room for the oversized .30-caliber slugs.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.Sep 21, 2014 · I just need to get off my butt and make some .300 AAC brass from .223 brass. Been feeling a bit under the weather lately, so just don't have the motivation to do anything. I've used Unique and Sierra 220 gr RN lightly tumble lubed with 45/45/10. 7.0 gr gave 1044 fps in a 10.5", and 844 fps in a 16" bolt action. October 7, 2020 by Trevor. The .300 Blackout has emerged as a new up and coming caliber, with several rifles chambered in it recently released. We wanted to examine what this could be suitable for in the Australian environment. The round was designed for close quarters combat and was never meant for long range shooting.Thinking of going .300 Blackout? Find out how it compares to the 5.56 in ballistics and knockdown power.11 Jan 2023 ... ... powder space is limited. In my experience, for .300 BLK handloads, the denser the powder, the better. CFE BLK, Lil'Gun, Power Pro 300MP, and ...Deteriorating smokeless powders produce an acidic odor and may produce a reddish brown fume. (Don’t confuse this with common solvent odors such as alcohol, ether and acetone.) Powder deterioration can be checked by opening the cap on the container and smelling the contents. Powder undergoing deterioration has an irritating acidic odor.USE THIS DATA WITH ALLIANT BRAND POWDERS ONLY. REDUCE RIFLE AND HANDGUN CHARGE WEIGHTS BY 10% TO ESTABLISH A STARTING LOAD. DO NOT EXCEED THE LOADS DISPLAYED ON THE SITE OR ALLIANT'S RELOADERS GUIDE. By clicking the link below, I understand and will agree to abide by the above precautions. …Sep 21, 2014 · I just need to get off my butt and make some .300 AAC brass from .223 brass. Been feeling a bit under the weather lately, so just don't have the motivation to do anything. I've used Unique and Sierra 220 gr RN lightly tumble lubed with 45/45/10. 7.0 gr gave 1044 fps in a 10.5", and 844 fps in a 16" bolt action. Similac powder is a popular choice for parents looking to provide their infants with essential nutrients. This formula is carefully designed to mimic the composition of breast milk...Jul 17, 2020 · Cor-Bon subsonic data is: .300 Blackout 240 grain; muzzle velocity 1000 FPS, muzzle energy 533 ft-lbs. That is more muzzle energy than a 230-grain .45 ACP load yet includes the ability to fire more accurately and at greater distance while utilizing the same 30-round magazines you already have. 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. Using pistol powders for subsonic .300 Blackout. General Discussion. I always see the same 3 or 4 powders recommended for .300 subs (Accurate 1680, 5744, IMR 4227, etc...) but messing around in GRT it looks like CFE Pistol would fit the bill. 40 000 psi to help with cycling, 980 fps, 100% powder burn, 70% load ratio.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 …Shooters World Blackout Powder is ideal for the 300 Blackout cartridge. Buy all your Shooters World Powders at Powder Valley at Cheap Prices!Write a review. $47.99. SKU: 4781658. Designed specifically for .300 AAC Blackout cartridges, Hodgdon® CFE BLK Smokeless Reloading Powder pours easily for accurate measurements, and contains a proprietary Copper Fouling Eraser...DESCRIPTION. 300 AAC Blackout Pacesetter 3 Die Set. by LEE RELOADING PRODUCTS. Lee Pacesetter 3-Die Set includes Full Length Sizing Die, Easy Adjust Dead Length Bullet Seating Die, Factory Crimp Die, Universal Shell Holder, Powder Dipper, and Instructions/Load Data. Was this information helpful? REVIEWS. DELIVERY INFO.Protein powder smoothies have become increasingly popular among fitness enthusiasts and health-conscious individuals. Packed with essential nutrients and a convenient way to increa...300 Blackout vs 5.56 conversation is complicated. Despite using the same case and being shot out of AR-15, each excels in different facets. ... Since it’s a smaller round, requiring less material to construct its bullets and a smaller powder charge to launch it, it was also less expensive—particularly compared to its .30-caliber predecessorSome of my first 300BLK loads were 175s over red dot powder. Powder is too quick to cycle but very quiet. My subsonic .300 blackout vs friends .308 subsonic. Yes. I run VVN105 with 208Amax, SMK 210 & 220. All run in the 1080fps range with a 7.5" tube. 90% of what you hear is the action cycle.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 ...2400 is the only one of those powders that I haven't used on the 300. H110/W296 is becoming my go-to powder for supersonic in the 300 and 1680 for the subs (4227 in a pinch). Guys who have bolt 300blk seem to like LilGun better for some reason. I have some loaded up with Lil Gun just need to test them out.Reloading 300 Blackout: Further Loki Testing. The Hornady 208-grain AMax and 9.4 grains of H110 was a tad too fast. The average velocity was 1,069 fps, but the load’s extreme spread of 96 fps put a few rounds above the sound barrier. The average group size measured 2.21 inches, with the smallest at 1.039 inch.20 May 2017 ... Today I Loaded 30 rounds of CFEBLK Powder under Berry's 220gr plated bullet with 3 different loads. CFEBLK 11.0gr CFEBLK 11.5gr CFEBLK ...The best barrel length for a suppressed 300 Blackout is between 8 to 10 inches. At 10", the muzzle velocity hasn't reached its peak yet. Heavy subsonic 300 Blackout ammo in a 10" barrel may have lower velocities, but it allows for the use of a suppressor without damaging your hearing. Supersonic ammo out of a 10" barrel retains …Load Data for .300 AAC Blackout . Bullet: 125 gr BT (NOS) Diameter: 0.308" Powder: H110 (Hodgdon) Starting Powder: 15.7 gr. Max Powder: 18.5 gr . Primer: REM 7½ ...Speaking only pistol powders, H-110 and AA-1680 are slow burning. Compared to rifle powders, they are fast burning. The burn rate chart lists all powders. Let me try again, IMR-3031 is too slow burning of a powder for 300 Blk. You need to use a faster powder like H-110 and AA-1680.
Thinking of going .300 Blackout? Find out how it compares to the 5.56 in ballistics and knockdown power.. Married at first sight virginia and erik
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 …Oct 18, 2021 · 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. I can tell you that my experience is that once near compressed or compressed in 300BLK the Extreme Spread (ES) can get great. Yes you can pack more powder in and get a higher Max FPS but if you chrony 5 rounds you might have something ridiculous like 2465fps and then 2250fps back to back. That would kill SD as well. Learn about where the .300 Blackout came from, its origins, what it was designed for and what it’s most optimal applications are here in our .300 blackout guide for best barrel length, build tips & more. .300 Blackout, Supersonic vs SubsonicSep 21, 2014 · I just need to get off my butt and make some .300 AAC brass from .223 brass. Been feeling a bit under the weather lately, so just don't have the motivation to do anything. I've used Unique and Sierra 220 gr RN lightly tumble lubed with 45/45/10. 7.0 gr gave 1044 fps in a 10.5", and 844 fps in a 16" bolt action. 17 Dec 2020 ... The COAL for the 300BO using longer bullets needs to be set so that your rifle functions. You may have to adjust it down and reduce the powder ...Printed from Shooter's Reference on 05/13/2024: https://www.shootersreference.com/reloadingdata/300-aac-blackout/Jun 1, 2016 · These are powders that are typically marketed to the magnum pistol crowd, not the rifle folks. Left to right: 308 Winchester, 30 AR, 7.62×39, 7.62x40WT, 300 AAC Blackout 125 OTM, 300 AAC Blackout 220 OTM (subsonic), 300 AAC Blackout 125 Accutip, and 5.56x45mm 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. 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. Feb 23, 2024 · 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. Reloading 300 Blackout: Further Loki Testing. The Hornady 208-grain AMax and 9.4 grains of H110 was a tad too fast. The average velocity was 1,069 fps, but the load’s extreme spread of 96 fps put a few rounds above the sound barrier. The average group size measured 2.21 inches, with the smallest at 1.039 inch..