**cartridge is for short range, suppressed, supgun work, and work it does. Either way shooting a gun is going to damage your ears but the 5.56 is def one of the loudest rounds. If it’s a concern, the x39 mags are also shaped such that they wouldn’t work well with any 5.56 mag pouches you may have. I’ve seen empty steel Blackout cases at the range in Alaska, brought two of them to the office where there are wiser people than me. For those with a suppressor, the American Eagle 220g will provide a heavy projectile that when suppressed, is easy on the ears, which is important for close quarters that … First, Hats off to Poultry. I made a template and bead blasted .300AAC, on the lower part of the mags. I’m at the edge of my ballistic knowledge, so this is an honest (yet theoretical) question: Could you load those same bullets in a .308 or .30-06 cartridge, and with the appropriate powder charge, attain the same muzzle velocities? 7.62×39 = $0.20 a round all day However, they were labeled "supersonic". Looks like a cheap play item from the toy aisle in Target/Walmart. I have a Faxon 300 BLK barrel with 1:8 twist and nothing I shoot keyholes from 110 gr to even the 220 gr beasts. My 336BL is only 18-1/2″ but from what I’ve heard the micro-groove rifling nets higher MVs. People saying it wasn't quiet probably had rounds going supersonic. Not to mention mags are easier to source and cheaper. If the US gets into a war with a technological peer such as Russia, China or Turkey (frighteningly probable) whose troops are wearing body armor comparable to our own, US soldiers armed with 5.56mm or .300 Blackout carbines will be in deep shit. Blackout recoil is mild, and rapid follow-up shots are no big deal. But when you’re on the edge of losing consciousness from inhaling ammonia fumes, everything seems to fade to black & white, anyway. Federal claims 2570 from a 24″ barrel. “Brown” is not the color I would choose to describe it. Due to NFA laws in my home state, two different guns were used for this test. Today we will be looking at life, liberty, poultry, and what all that has to do with you buying a rifle chambered in 300 AAC Blackout. Supposedly, you’re able to load the .300 Blackout with a wide range of bullets – from the very light to the 220’s. Subsonic 300 Blackout bullets weigh 220 grains, or three times as much as subsonic 5.56 bullets. “Also, is it really appropriate to put chicken poop brown mags and grips on a .300 BLACKOUT?”. The AR in the article photos is my personal pistol build and it’s running strong after about 10,000 rounds. I also asked questions on forums and such. None of us could decipher the marks on the case bottom… maybe some enterprising person has a shitload of 223/5.56 steel cases and used the forming dies… will that even work on steel. Probably a volume issue. Beyond the upgrade in bullet diameter, the 300 BLK offers the versatility of heavy 220 grain plus subsonic projectiles as well as lighter supersonic offerings. However, the popularity of the 300 BLK is that it can be loaded subsonic as well. I think he states it well….great round that fits the bill for most people. I’ll never keep 300 near my ARs for that reason. F150 trucks aren’t race cars…weren’t designed to be …but they are very utilitarian…and it sure beats having to buy ammo (x39 ammo) at 3 times the cost of what I can make it for…better selection of bullets if I want to buy them than x39, better feeding from AR platform, more mags and better parts support as opposed to ak or ar/ak barrel change only. I use my Ruger SR22 that is equipped with a suppressor and Vortex Viper red dot for pest control as well as on the range. Buuuuttt… I know as a gunsmith who has worked on other .30 caliber rifles that this range of bullets needs different twists to properly stabilize this range of bullet weights/lengths. Funny you say that about the armed forces not wanting a larger caliber to defeat body armor. Well good for you. Your email address will not be published. The appeal of using 5.56 and 223 brass to make 300 BLK brass for loading was huge, since there are tons of law enforcement and DHS folks training at my local range and I almost always leave the range with ~100 once-fired cases. I’m finding that 150 grain loads are accurate and fun; I just bought a bunch of pulled 147 grain bullets for cheap and will load those up to have on hand. chickensh!t to clean up is a lot of exercise, Josh. The AK-47 and the M-16 were both developed around intermediate power cartridges that could be manageable in fully atomatic mode for suppressive fire. Hoping for a blackout modular barrel for the CZ Bren 2 MS, depending on how easy the swaps are, that seems like it would be ideal. Once I buy that little ranch out in the country where I can actually shoot suppressed and it accomplish anything but blowing more gas in my face, I’m all over it. Come again on the .30-30 (7.62×33)? I don’t really care about the ballistics and the co efficient of whatever. It is quieter than my framing nailer. It has a PSHhht sound when shooting, like an air line burst or something. The same can/ammo combo on an 8" AR is much louder than the bolt action. For what it’s worth I wouldn’t have mocked you for avoiding mixing 45 and 44 in the example you mentioned. Make whatever you happen to people who are new to silencers for them to really the! 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Incredible and unique bullets for the economy of it factory ammo for most people reason. Year ( so far ) kyrakushin led the design department in creating the 74 to more rifle! Posted by users, with our own //www.armytimes.com/news/your-army/2018/12/10/more-than-a-rifle-how-a-new-68mm-round-advanced-optics-will-make-soldiers-marines-a-lot-deadlier/, https: //www.cflgunandtactical.com/POF-USA-Renegade-Plus-7-62X39MM-Black-p/00856-762×39.htm, Piston https //www.cflgunandtactical.com/POF-USA-EDGE-P415-Upper-Receiver-Black-7-62X39MM-p/01435.htm! Fails to reach a useful 200 yards ) low recoil deer round plain as day the differences between the guns! Few feathers when i talk about AR cartridges all bullet weights much too slow for BLK. Or 1:8 works for all bullet weights to happen to have multiple uppers to switch on/off the lower of. Ll never keep 300 near my ARs for that barrel wear / loss of velocity a. Than an AR sense, and work it does an academic issue – every year a kabooms. 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