The 300 AAC Blackout was designed to achieve energies similar to the 7.6239mm Soviet in an AR-15 while using standard AR magazines at their full capacity. Its also moving considerably slower from the get-go, though, and experiences more bullet drop as a result. I have used multiple mags with no success. I pulled these numbers out of thin air, but this general principles hold true for all gun barrels. If you do decide to join the dark side and try 300 Blackout, make sure you come back here and let me know what you think of it! Written By Michael Crites Licensed Concealed Carry Holder Reviewed by Another common problem with subsonic 5.56 ammo is that it often doesnt have enough energy to reliably work in semi-automatic rifles, like the AR-15.
.300 AAC Blackout I Don't Get It - AllOutdoor.com If your first priority is subsonic performance from a .30-caliber AR, go with the .300 AAC Blackout and heavy bullets. The vast majority of states, though, including my native Virginia, dont allow you to shoot deer with 5.56 ammo, which presents a problem: How can you use your beloved AR-15 to go deer hunting? Theres one part of the AR-15 that doesnt always play nice with different kinds of ammo, though, and that is the magazines. Where are you located and maybe somebody local can take a look at your gun. I am using Lil'gun powder. At 100 yards energy is still 450 foot-pounds, drift only an inch or so in 10 mph right angle breeze.
300BLK sizing issues! Need help - Rifle/Shotgun - Forums When you try to shoot further than that, though, youre better off using a different cartridge. As the bullet bleeds speed, the force of gravity begins to overpower the bullets inertia, making it drop even faster. and itll shoot without any other modifications. or do any combination of those things . Its more powerful than 5.56 ammo when shooting subsonic (quiet) bullets. Sorry, an error occurred and we could not sign you up. Shooters are making multiple kills of the crop raiders before the herd can disburse.
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Handloading the .300 AAC Blackout - An Official Journal Of The NRA Weakening key points along the length of the ogive so that slivers of the bullet poke out at angles designed to cause maximum trauma inside the target. Like airplanes, once in flight bullets have to overcome two main obstacles to reach their target: Air resistance is also referred to as drag. One ftlbf is equal to about 1.355 J, and its the amount of energy it takes to raise one pound by one foot. If you're trying to create supersonic loads with long, 150-grain or heavier bullets, you'll find powder space is limited. So if you enjoyed this, would you share it on Facebook and Twitter? You can substitute a smaller-caliber expander ball, or you can de-prime in a different step with a universal de-primer. Although .30 Rem. The 300 Blackout has become one of the most popular rifle cartridges available. As deer ammo goes, that's slow, but only 200 fps slower than the old 30-30. While this makes sense at first glance, its not entirely accurate. The Glock 17 has a 4.5-inch barrel and generally produces muzzle velocities of around 1,150 fps with 124-grain bullets. This is less of a problem with mid-grade 300 Blackout ammo from reputable companies. The latest content straight to your inbox plus an automatic entry to each of our monthly gungiveaways! If you're going to taper-crimp, trimming cases to the same length will take care of half the problem. This process provides substantially more neck tension, and when employing the technique with the .30 Rem. And how does that affect real-world accuracy? 10 mph wind coming at a right angle from the side of the shooter, 0.3 ballistics coefficient (about average for 300 Blackout). The nose of the bullet is made of solid aluminum and the base is made of solid copper.
The Definitive Guide to 300 Blackout (2020) - American Arms And all you have to do to shoot 300 Blackout is buy a 300 Blackout upper, slap it on your existing AR-15, load up your regular AR-15 magazines, and start shooting. Supersonic 300 Blackout bullets weigh 110 grains, or twice as much as standard 5.56 bullets. The gun cycles and the bolt goes back into the fully closed position, but does not put another round in the chamber. The 300 Blackout was designed to be used in AR-15s, with one simple change: As long as you change the barrel of your AR-15, which can be done by popping out two pins and putting on a new upper receiver, you can shoot 300 Blackout ammo out of your AR-15.
Cycling problems with my 300 Blackout - AR15.COM To increase bullet energy on target, increase the barrel length or the bullets ballistics coefficient. He is a Glock and Smith & Wesson Certified Armorer as well. .
Dear Ron: 300 Blackout Cartridge for boar & deer? 4 Reasons .300 Blackout Is a Terrible Choice for Home Defense. Much like the 300 BLK, the 7.62x40WT only requires a new barrel and ammunition to switch calibers.
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More powerful, hard-hitting, and deadlier than 5.56/.223 (AR-15) ammo, Hollywood quiet when fired through a suppressor, The perfect all-rounder cartridge for plinking at the range, home defense, and hunting, Its good but not as good as other ammostick with what youve got., Its just a novelty cartridge that will fade away like the fad it is., No one in the military uses it and neither should you., Everything you need to know about 300 Blackout ballistics, How the 300 Blackout compares to the 5.56, What the ideal barrel length is for shooting 300 Blackout. My 300 BO will not cycle using subsonic ammo with a can. With an impact velocity of more than 2,200 fps, the Hornady SP bullet achieved a frontal diameter of more than .50 inch when shot into gelatin. +1 on trying a standard carbine buffer. As a general rule, then, you want bullets to maintain as much of their velocity as possible. If your life is really in danger, and you want the maximize the chances of taking your assailant down as fast as possible, you want to use supersonic ammo (and ideally, something that doesnt overpenetrate). That's it. Like the 125-grain Nosler AccuBond, this bullet delivered sub-par accuracy in the AAC carbine. Because if that bullet keeps going after cutting through a bad guy theres no telling who it might hit. The set-out problem is caused by inadequate neck tension and trying to taper-crimp cases that are not all exactly the same length. Today it is perhaps best known as a self-defense and military round, but gaining the spotlight as an effective hog killer, especially when combined with a suppressor to really muffle the report. Subsonic 300 Blackout bullets weigh 220 grains, or three times as much as subsonic 5.56 bullets. Others states like Maryland, Hawaii, and Nebraska require you to use ammo that produces a certain amount of muzzle energy regardless of the caliber. Jones. The alternative of using the correct magazine is beginning to sound more and more appealing. Buy Guns Now to Avoid the Run. . Live The Armory Life. The .300 BLK has easily been the most successful new caliber in the last 20 years. Before we go any further, its worth spending just a moment to get acquainted with the 5.56, as well be comparing it to the 300 Blackout throughout this article. Even after handloading, I still believe subsonic shooting is the forte of the .300 AAC Blackoutjust as J.D. Hornady is known for being more or less the top dog of quality ammunition. If you like Rifleshooter.com, please follow us on Facebook. For a better experience, please enable JavaScript in your browser before proceeding. I have a CMMG 8.5" barrel. Thus, the 300 Blackout cartridge refers to a particular bullet and case combination. Best of all, it was designed from the ground up to work in Americas favorite riflethe AR-15with only a quick change of the barrel required to shoot it. Any use of this content without express written consent is prohibited. These metal shards fly off in multiple directions, causing far more damage than even a well-designed hollow point. As you can see, the 300 Blackout has about 100 (ftlbf) more energy than the 5.56 at almost every distance. ), you have the overlap of a 5.56 NATO/.223 bolt-carrier group (BCG), and you can use 5.56 NATO/.223 magazines as well sort of. Apparently not. . I also learned in my research that virtually all 300 AAC Blackout pistol builds utilize: a pistol length gas system, a lighter, carbine weight bolt carrier group (BCG), and a lighter, carbine weighted buffer in order to cycle sub-sonic reliably. I took out the carrier bolt assembly, and re-oil it and still the same problem. bullets hang onto it while deflecting minimally in the wind. . ) Penetration indicates the point in the gel block where the largest piece of the bullet came to rest in inches. 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). That is probably the most succinct way to sum up what .300 Blackout is. Later, I wondered if it was possible to do something with supersonic handloads that would change the game. I even took the time to order a special 1:7 twist barrel from Bartlein barrel to give me the edge with the heavy loads. . You grab some friends, line up behind the car, put your hands on the bumper, and push as hard as you can. The Hornady Full Metal Jacket Frontier 300 Blackout ammo is their value target practice cartridge, but since its Hornady its more than good enough for classes and competition. On some well-known and established forums, youll note the majority of load development occurs at short ranges with 50 yards being common and 25yard groups appearing at times! Most people train with cheaper ammo and then occasionally break out their fancy home-defense ammo to familiarize themselves with how it feels when shooting. Well, firstly, the aluminum nose of this bullet allows it to penetrate relatively soft obstacles like drywall, glass, and plywood without falling apart like 5.56 would. And to take things a step further, what if you want to hunt animals like deer, hogs, or even elk with 300 Blackout? And in case you prefer to scrutinize the data yourself, here it is in table format: 300 Blackout Ballistics Based on Barrel Length. For example, you can put any of the following uppers on any AR-15 lower .
300 Black Out Pistol Cycling Problem Fixed - YouTube