300 blackout powder

AA#7 Sierra lists it for light weight supersonic loadings (135gr and lighter) for 300 whisper, However other powders give much higher velocity. AA2015 is listed in some super sonic loadings for 150gr and above. ... select rifle cartridge and then 300 AAC Blackout Lists loads using: IMR 4227 (subs and supers)

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.21 Dec 2017 ... If you guys had bothered to ask people what powder they would like to see lil gun would definitely be on that list. I would say 10 times ...With that light a bullet, 748 is probably going to be way too slow a powder. I tend to use faster powders- like H110 with bullets lighter than 150 grains and a little slower like 1680 for heavier ones but 748 just seems way too slow for 300BLK. Loren. Quick Navigation Special Projects Top.From the burn rate chart: Trail Boss #19, American Select #15, Red Dot #8 – so those are indeed much faster burning powders than things like A1680 #68, H110 #62 we commonly use for 300 BLK. But like you said - 300 BLK doesn't exactly follow conventional loading wisdom, so I don't even have a starting point for those powders.Product – 300 BLK admin 2021-04-27T07:51:30+00:00 300 BLK 144gr AM FMJ Everything from the propellant, brass case and 144gr FMJ bullet of this 300BLK round is made in Australia, by Australians, to deliver an outstandingly accurate low cost round for high volume shooting at the range or in competitions.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.

Midsouth Shooters Supply carries a variety of Shooters World Smokeless Powder for pistols, rifles, and more. Buy your reloading powder at Midsouth. Home ... .300 blackout; 450 bushmaster; 6.5 grendel; 7.62x39mm; ar-15 magazines. ar-15 magazines; ar mag accessories ... Shooters World Blackout Smokeless Powder 1 Lb By Lovex. 130 …The 300 Blackout proved to be an insanely enticing development when it hit the market a decade ago. The capability to quickly convert your AR-15 from a .22 caliber to a .30 caliber with just changing the barrel was amazing. ... This slight increase in powder is capable of giving the 300 HAMR an edge over the 300 blk, but we’ll elaborate on ... This new spherical propellant was designed expressly for the 300 Remington AAC Blackout cartridge. It provides full function of AR type rifles throughout the range of bullet weights, and is perfect for those sub-sonic reduced loads. In addition to being outstanding in the 300 Blackout, it performs beautifully in many smaller capacity cartridges, in particular, […] I am starting to load for 300 blackout and had a question about powder recommendations. Options I have locally are are CFE Black, H110 and Lil Gun. My barrel is a 10.5” pistol gas length that is suppressed. Bullet is a 150gr Speer Gold Dot. Just curious of what powder the blackout experts would recommend. Thanks.Substitute Products. Missouri Bullet Company Cast Lead Bullets 300 AAC Blackout (309 Diameter) 245 Grain Hi-Tek Coated Round Nose Flat Point Box of 250. $64.99. Add to Cart. Missouri Bullet Company Cast Lead Bullets 30-30 Winchester (309 Diameter) 165 Grain Hi-Tek Coated Round Nose Flat Point Box of 250. 4 Reviews.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 ...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.

Manufactured in the USA. Improved velocity and density for more efficient metering and loading. Maximum velocity and performance in magnum handguns. Enables reloaders to …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.300 BLACKOUT SUBSONIC 190 gr. SUB-X™ TAP® Item #80895 10.5" Noveske® 1:8" Muzzle 100 yds 200 yds 300 yds 400 yds 500 yds Velocity (fps) 1047 996 954 917 884 855 Energy (ft lbs) 462 418 384 355 330 308 Trajectory (inches) -1.5 0.0 -33.5 -105.2 -218.3 -375.9 8" LMT 1:8" Muzzle 100 yds 200 yds 300 yds 400 yds 500 yds Velocity (fps) 1041 991 ...Jul 19, 2022 · The .300 BLK has easily been the most successful new caliber in the last 20 years. Besides the easy conversion between 5.56 and .300 BLK, the .300 BLK does a lot the 5.56 can’t. First off, it’s a very versatile load with projectiles weights ranging from 110 grains to 220 grains. (L to R) 5.56 NATO, .300 BLK, .30 Carbine. Printed from Shooter's Reference on 05/15/2024: https://www.shootersreference.com/reloadingdata/300-aac-blackout/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 ...

Qvc hosts laid off.

Concord, NH. May 24, 2023. #1. Built a 16" 300blk bolt gun with a Wilson barrel. Figured I would start a thread here to share the load data journey. With the limited data on N110, I did a quick test to see where the limits of the charge would be using Hoosier 220gr lead powder coated bullets and Noslers 175 Custom Comps. I shot 6 loads of each.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.Testing some IMR 4227 out in the 300 Blackout today. Using some Cast Lee 309-230 Powder Coated Rounds, sized to .309. Very accurate and spectacular numbers. Range Session Starts at 8:38 243 OutdoorsMy name is Josh and I love Firearms and Freedom. I started 243 Outdoors as a YouTube Channel back in 2015 and have […]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.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.

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.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 ...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 ...7 Jul 2016 ... AP2020 Merchandise https://ballisticink.com/collections/all/patriot-partner_ap2020-outdoors PLEASE SUPPORT AP2020 and Check out These ...15 Mar 2020 ... Comments156 · 300 BLK Pea Shooter (Powder Coated .310 Round Balls) · 300 BLK - Powder Coated Bullets with Lil' Gun · 300 Blackout - Loading...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.You should use a chrony to help with this and look for pressure signs -flatten primer sticky case etc. Bullseye will spike quickly when your close to max load so go a couple tenths of grains. Better powders would be Unique ,Trail Boss ,LilGun etc. or slower. I'm using AA#9 under a few different boolits in my bolt guns.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 predecessorYou should use a chrony to help with this and look for pressure signs -flatten primer sticky case etc. Bullseye will spike quickly when your close to max load so go a couple tenths of grains. Better powders would be Unique ,Trail Boss ,LilGun etc. or slower. I'm using AA#9 under a few different boolits in my bolt guns.

Jul 24, 2022 · 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 ...

Designed specifically for .300 AAC Blackout cartridges, Hodgdon® CFE BLK Smokeless Reloading Powder pours easily for accurate measurements, and contains a proprietary …Enables reloaders to duplicate certain factory loaded ammunition. Density designed for proper cartridge fit. Principal Purpose: Magnum Handgun/Pistol. Secondary Uses: .22 Hornet. Remarks: 150529 - 300-MP; 1 lb. bottle. 150530 - 300-MP; 8 lb. canister. Canister Sizes: View All 300-MP Recipes.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.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.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 …13 Feb 2024 ... Testing h110 and lil gun powders in 300 blackout https://www.vedderholsters.com https://www.targetsportsusa.com/t-ammoplus.aspx Infinity ...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 ...Are you wondering what's the difference between powder vs. liquid makeup? Find out what's the difference between powder vs. liquid makeup. Advertisement Let's face it. The idea of ...1 Mar 2014 ... How to Reload 300 AAC Blackout Ammo For Beginners ... Cutting .223/5.56 cases to make .300 AAC Blackout Cases ... BLK Powder. Wanneroo•4.8K views.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.

Ybr dte.

Yuengling rebate.

If you do a rough comparison of muzzle energy of the 300 AAC Blackout to the 7.62×39 (AK-47) round, you’ll see a slight edge to the AK with a 100 grain bullet. The 110 grain Blackout at 2,375 feet per second yields 1,377.4 foot-pounds of muzzle energy to the AK’s 1,650.8 at 2,600 feet per second. 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 ... Well-Known Member. Feb 17, 2016. #9. My Lee "155s" weigh 160gr w/GC and lube. 15.8gr H110 seemed to be the most accurate with that powder in my 16" barrels with ragged hole groups at 50 yards and maybe 1.5moa at 100 (8" twist AR platform). I didn't chrono 15gr 4227, but it was accurate in my 10" pistol, and still looked good in my 16" despite ...This Powder for 300 Blackout was specifically designed for both .300 Blackout cartridges and magnum handguns. If you hold velocity to a really high …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.Most factory .300 Blackout subsonic loads are a little more powerful than a routine .45 ACP handgun loading, if we’re going on (the admittedly incomplete) calculated energy figures. So, if you think .45 ACP is a reliable choice for a defensive round, subsonic Blackout beats it. ... The biggest problem I found was the amount of unburnt powder ...Mar 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 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 ... ….

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 ... 15 Feb 2021 ... Taking the #D Powder Funnel from our 38/357 caliber conversion kit, combining it with a neck expanding die, and reloading 300 Blackout ...Tested Loads. After some testing and trials, I settled on the following components for my subsonic 300 Blackout loads for this article: Berry’s 220 grain 300 Blackout bullets. New Starline 300 Blackout Cases. Wolf Small Rifle Magnum primers. 9.0, 10.0 grains Hodgdon H-110 powder (See chronograph data below)Jun 18, 2022 · 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. 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 ...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...Aug 18, 2020 · 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 ... Blackouts in humans are caused by traumas, substances and diseases, according to Better Medicine. A blackout is defined as a period of unconsciousness or memory loss, and it can be...Most factory .300 Blackout subsonic loads are a little more powerful than a routine .45 ACP handgun loading, if we’re going on (the admittedly incomplete) calculated energy figures. So, if you think .45 ACP is a reliable choice for a defensive round, subsonic Blackout beats it. ... The biggest problem I found was the amount of unburnt powder ... 300 blackout powder, The .300 Blackout round was designed to burn off its powder in a nine inch barrel, making it ideal for short barrel rifles and rifles running suppressors. The .300 Blackout bullet is bigger and heavier than the 5.56. Approximately twice the size at 125 grains vs 64 grains. This extra size and weight aids in penetration., 300 Blackout 115 GR BER TGT FB Hodgdon Trail Boss .308" 2.050" 4.5 965 17,100 PSI 5.5 1,062 18,400 PSI 300 Blackout 125 GR NOS BT Hodgdon Trail Boss .308" 2.060" 6.1 1,060 21,300 PSI 300 Blackout 130 GR SPR HP Hodgdon Trail Boss .308" 2.005" 6.4 967 25,800 PSI, 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 ..., 12/08/2023 1:25 pm. Rifle Dies. We do not have a standard product powder through expanding die for the 300 AAC Blackout. These dies are not designed for the bottleneck style of case. Here is a list of parts that can be ordered to put a die together that can be used with the 300 AAC Blackout: SE2398 357 MAG Powder Through/Expanding Die …, 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 ..., Shooters World Blackout Powder is ideal for the 300 Blackout cartridge. Buy all your Shooters World Powders at Powder Valley at Cheap Prices!, 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 ..., 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., 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. , Alliant Powder 300-MP. Alliant Powder Reloder 10x. Alliant Powder Reloder 7. Hodgdon CFE BLK. ... Powder: BLACKOUT (Shooters World) Primer: Small Rifle Case: JAG. , 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 …, The Sub-X bullet used in Subsonic Rifle features a lead core. Long grooves in its gilding metal jacket combine with the bullet’s flat profile and the patented Flex Tip® insert within its hollowpoint cavity to help it expand reliably at low velocities. Powders are selected for optimal performance and consistency from lot to lot., 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 shoot .30 caliber bullets from the …, 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., 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., 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 …, 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., 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., 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. , 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., Let’s talk about powder weight. The max load on a 300 Whisper load (from what I remember, don’t quote me) for 150 grain projectiles is somewhere around 18 grains of H110. At 18 grains everything starts to wear out quicker and the load becomes dangerous. There’s no real good load data for 300 BLK yet for the bullet weights I’m using, so ..., 15 Mar 2020 ... Comments156 · 300 BLK Pea Shooter (Powder Coated .310 Round Balls) · 300 BLK - Powder Coated Bullets with Lil' Gun · 300 Blackout - Loading..., 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 …, loaded lengths of the (1) .223 Remington, (2) 7.62x39 and the (3) .300 AAC Blackout, all of which seem short compared to the. (4) .30-30 Winchester. SIG 120-grain HT Solid Copper loads hit the paper at 2,150 fps. The hollowpoint peeled back into four petals to the bullet’s solid shank., Discover the best 300 Blackout powders for precision and power. Explore top-rated powders like CFE BLK, Alliant Powder, Hodgdon H110, and..., Designed specifically for .300 AAC Blackout cartridges, Hodgdon® CFE BLK Smokeless Reloading Powder pours easily for accurate measurements, and contains a proprietary …, 300 BLACKOUT SUBSONIC 190 gr. SUB-X™ TAP® Item #80895 10.5" Noveske® 1:8" Muzzle 100 yds 200 yds 300 yds 400 yds 500 yds Velocity (fps) 1047 996 954 917 884 855 Energy (ft lbs) 462 418 384 355 330 308 Trajectory (inches) -1.5 0.0 -33.5 -105.2 -218.3 -375.9 8" LMT 1:8" Muzzle 100 yds 200 yds 300 yds 400 yds 500 yds Velocity (fps) 1041 991 ..., by adaris86 » Tue Feb 23, 2016 12:13 am. I was looking at the burn rates for the 300 blackout on hodgens website and noticed that the CFE powder of pistols has a really fast burn rate I was wondering if anyone ever use this b/c that selection of powder at my local cabelas is really thin haven't seen win 296, lil gun, h110, or 4227 in months. TMD., 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 14.6, 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 …, 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., From the burn rate chart: Trail Boss #19, American Select #15, Red Dot #8 – so those are indeed much faster burning powders than things like A1680 #68, H110 #62 we commonly use for 300 BLK. But like you said - 300 BLK doesn't exactly follow conventional loading wisdom, so I don't even have a starting point for those powders., 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.