I immediately assumed the same bullet set-out problem was to blame, so I also tested it in the CVA Scout. While the barrel and bolt of an AR-15 are tailormade to only shoot 5.56/.223 ammo, the rest of the gun is more or less cartridge agnostic. Some people question whether or not the 300 Blackout is effective for killing deer, and the simple answer is, yesabsolutely. . If that sounds like a rather small case to be necking up to 30-caliber, consider that the Fireball itself was made by shortening the 222 Remington, itself one of our smallest 22 centerfires. Early on, the claimed goal was to have ammunition prices on par with the inexpensive .223 Rem. by 20X11 Sun Dec 29, 2013 10:50 am, Post Register today and take advantage of membership benefits. Theres one key difference between hunting ammo and home defense ammo. 300 Blackout ammo is legal for hunting deer in almost every state as long as you use supersonic ammo, and its legal in many states with subsonic ammo, too. The 300 Blackout, on the other hand, is designed to reach maximum muzzle energy when fired through a 9-inch barrel. This will give you good enough performance for short-range target practice (controlled mayhem?) certified instructor prior to handling any firearm and be sure to read your owners manual. Copyright 1996-2023 AR15.COM LLC. When objects move faster than the speed of soundaround 1,100 fpsthey produce what sounds like a small explosion, known as a sonic boom. Let's consider the Blackout with 150-grain bullets at 2,100 fps. This causes the animal to bleed faster and die sooner than if the bullet only enters but doesnt exit. The latest content straight to your inbox plus an automatic entry to each of our monthly giveaways! As deer ammo goes, thats slow, but only 200 fps slower than the old 30-30. This is less of a problem with mid-grade 300 Blackout ammo from reputable companies. Fired from the MPW carbine, the six supersonic handloads produced an average 10-shot group size of 3.30 inches at 100 yards. If it's not feeding the next round you might try a lighter weight buffer or a different magazine or different type of magazine with a different spring rate. The views As the name implies, overpenetration refers to when a bullet passes through or misses your intended target and then continues on to hit something you didnt intend to shoot. It cycles supersonics fine, it cycles the subs with a borrowed suppressor just fine, but it's not getting enough gas to run subs with no can. I tried 3 different mags, Pmag, Victory and GI, and it had the same problem. Thats less than half the energy of a standard 9mm bullet fired from a Glock 17. Each load was fired into blocks of 10-percent ordnance gelatin positioned 15 feet from the muzzle. There's a narrow band of powders that work well with the .300 Blackout. The M4 profile is light under the handguard and .750" at the gas block with the M203 cut. Why Your 300 AAC Blackout AR15 Isn't Running / Cycling Q: Can you provide your insight regarding the 300 blackout cartridge and its use on boar & various species of deer? Although more difficult, you can even adjust for the 2 feet of drop at 300 yards. Frangible bullets are a little different. Ballistics is the science of projectiles and firearms. views and opinions of Springfield Armory. What's the problem with the caliber based on this thread? In this article, youre going to learn . It fires a .30-caliber, 110 to 220-grain bullet and reliably works with and without a suppressor. 300 BlkOut Issues: Failure to Feed, Double Feeds, Stuck Ammo -300BlkTalk The Blackout with a 220- or 225-grain bullet can be driven at least 1,000 fps from a 16" barrel to give about 488 foot pounds of energy at the muzzle. While different brands, weights, and loads of ammo will have slightly more or less muzzle energy than this chart shows, it gives you a good ballpark estimate for most off-the-shelf 5.56 and 300 Blackout ammo. An adjustment in overall length might correct this problem. The second a bullet leaves the muzzle of a gun, gravity begins pulling it toward the ground. Worth the price if your lifes on the line, though. (L to R) 5.56 NATO, .300 BLK, .30 Carbine. If you plug these stats into a ballistics calculator, like this one, then you can estimate how much energy each bullet will have at different distances: 300 Blackout vs. 5.56 Bullet Energy (ftlbf). The 5.56 is more or less the opposite of the .50 BMGits half as wide and 10 times lightermaking it pretty worthless for penetrating through barriers. It will eject the spent brass, but not pickup a new round. You can see the similarity of the case sizes in a picture like this: The cartridge on the left is the 5.56, the one in the middle is the 300 Blackout, and the one on the right is the 7.6239. That's it. If you spent a lot of time with your 300 BLK and couldnt get the precision you wanted out of it, maybe it wasnt you? If so, that's your problem. Blackout is a product name of the company who invented the cartridgeAdvanced Armament Corporation (AAC)who designed it at the behest of the military with three main goals in mind: The primary goal was to create a cartridge for special forces units that would be as quiet as suppressed 9mm ammo fired from an MP5SD, but with greater lethality than 9mm and 5.56 ammo. Is the 300 Blackout just a new knickknack for tearing up targets at the range, or is it the better mousetrap weve been promised? Best 300 Blackout Magazines - Review And Buyer's Guide - Project Gunner Potentially both. That person was Bill Wilson of Wilson Combat with his 7.62x40WT. As you learned a moment ago, the 300 Blackout was custom designed to be fired through the AR-15. Click here to find out. by jFlacoS Sun Dec 29, 2013 12:50 pm, Post Although theyre quieter, subs are also have significantly worse external and terminal ballistics and often dont have enough energy to make the gun operate properly. PRESCRIPTION 6Bullet: 150-grain Nosler Ballistic TipPowder/Charge: Hodgdon Lil'Gun/17.0 grainsPrimer: Federal Small RifleCartridge Overall Length: 2.18 inchesMuzzle Velocity: 2,058 fps. That is probably the most succinct way to sum up what .300 Blackout is. Buy a new 300 Blackout upper, slap it on your AR-15, buy some 300 Blackout ammo, and suddenly your good ol black rifle is ready to slot ungulates. Years later, I headed out the range with a custom Remington Model 7 chambered in 300 BLK. At 400 yards, though, the bullet has dropped almost 5 feet. All three of the rifles tested in this group had trouble feeding the stubby 300 Blackout cartridges if we just dropped the rounds into the opening of actions generally designed for longer cases. At my shop I won't sell 300 BLK barrels with carbine length gas systems. The upper functioned flawlessly and accuracy was about 2 MOA, which it turns out, isnt too shabby for a BLK, but was still less than I had envisioned, especially considering the 7.62x50WT and 30 AR rifles I was testing around the same time shot about 1 MOA (read my 30 AR review here). PCCs may seem like a good idea at first glance, but when you get down to brass tacks they offer all of the disadvantages of a rifle (too large to conceal or carry conveniently and not easily operated with one hand) with the primary disadvantage of a pistol (weak ammunition). Whether you're using a 7.5-inch, 10.5-inch, or even 16-inch barrel, sub-sonic .300 BLK vastly outperforms 5.56 NATO when fired from a suppressed rifle. A metal grip frame, slide ports and a red dot cut are just some of the new features. Short Barrel 338 Lapua Magnum Load Development Results, 300 BLK load development: 125, 135, 175 and 220 SMK with H110 and IMR 4227, Accuracy testing a 16 carbine: Daniel Defense Hammer Forged Barrel, Refreshing a poorly machined Remington 700 action, 223 Remington/5.56 NATO, velocity versus barrel length: A man, his chop box and his friends rifle, Replacing a plastic recoil pad on a shotgun, USMC M40A5 Build- Part 3: Receiver Truing, Fortune Favors The Brave.Even When Outnumbered, Customizing the 1911: countersink and flush cut slide stop pin, 6 Creedmoor barrel length versus muzzle velocity (31 to 17 inches). The 7.62x40WT is a nifty little cartridge for the modern hunter who wants to stalk game with a standard sized AR-15 M16/M4. Adam is a manager at The Guns And Gear Store in Waite Park, MN. I took out the carrier bolt assembly, and re-oil it and still the same problem. It cycles fine with supersonic ammo. The Glock 17L has a 6-inch barrel25% longer than the Glock 17but only produces muzzle velocities of about 1,280 fps, or 10% greater than its shorter-barreled little brother. If you want to use subsonic ammo for classes, then go with their Hornady A-MAX Black subsonic ammo. This New Hampshire-based company is unique in that they focus solely on making subsonic cartridges (hence the name), so its no surprise that 300 Blackout is right up their alley. Frank Green at Bartlein barrels uses the example of High Power rifle competitors using stock Colt 1:7 rifles back in the day experiencing 4 MOA results with 55 grain loads, and sub MOA with the same rifle and shooter using the 69 SMK. | NRA Family, 3 Self Defense Myths That Just Won't Go Away | NRA Family, Old Sheriff's Funniest Felon FAILs | NRA Family, Top 5 'I Carry' Videos of 2022 | An Official Journal Of The NRA, VIDEO: A1F Editor Features in I Carry for Shooting Illustrated | An Official Journal Of The NRA, I Carry: SCCY CPX-2 In A Blade-Tech Klipt Holster | An Official Journal Of The NRA, First Look: Vortex Razor HD 4000 GB Ballistics Rangefinder | An Official Journal Of The NRA, Make Mine Metal: The Alloy-Frame KelTec P15 | An Official Journal Of The NRA, New for 2023: Henry Rifles Chambered in .360 Buckhammer | An Official Journal Of The NRA, First Shots: Colt CBX Precision Rifle | An Official Journal Of The NRA, Behind the Bullet: 7-30 Waters | An Official Journal Of The NRA, Little Guys To The Rescue: Federals Force X2 Shorty Shotshells | An Official Journal Of The NRA, CMP Milsurp Ammo In High Demand, .30 Carbine Online Sales Exhausted In One Week | An NRA Shooting Sports Journal, New For 2023: Winchester 400 Legend | An Official Journal Of The NRA, American Hunter 2023 Golden Bullseye Award Winners | An Official Journal Of The NRA, Product Preview: OTTO Engineering NoizeBarrier Micro | An Official Journal Of The NRA, Spring Sales, Savings & Sweepstakes Ongoing | An Official Journal Of The NRA, Product Preview: Cold Steel Engage 3.5" | An Official Journal Of The NRA, New For 2023: Glock 28 | An Official Journal Of The NRA, New: SAUER 100 Rifles With H-S Precision Stocks | An NRA Shooting Sports Journal, Competitors Corner: May 2023 | An NRA Shooting Sports Journal, USA Shooting: Smith, Leverett Claim Junior Olympic Pistol Titles | An NRA Shooting Sports Journal, Review: SIG Sauer Tango6T And Alpha4 Mount | An Official Journal Of The NRA, New: SIG Sauer ROMEO-M17 Red-Dot Optic | An NRA Shooting Sports Journal, I Carry: Ruger-5.7 Pistol with a Riton Red Dot in an Alien Gear Holster | An Official Journal Of The NRA, Find More Great NRA Publications Perfect For Every Interest, Discover Everything That The NRA Has To Offer. 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. To correct this and ensure all of their ammo has more or less the same muzzle velocity out of all barrel lengths, Discreet Ballistics offers two loads for this ammo: The bottom line is the Discreet Ballistics 188-grain Subsonic Selous Machined Expander is one of the single best subsonic hunting cartridges you can buy. PRESCRIPTION 4Bullet: 130-grain Barnes TTSXPowder/Charge: Accurate 1680, 18.8 grainsPrimer: Federal Small RifleCartridge Overall Length: 2.18 inchesMuzzle Velocity: 1,919 fps. And it should work at least as well as the 30-30 on big antlered deer.