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 a carbine cartridge developed in the United States by Advanced Armament Corporation (AAC) for use in the M4 carbine. 300 AAC Blackout with all common powders and bullets by clicking the 'Loads in this caliber' button above. Description.300 AAC Blackout 190 grain SUB-X Subsonic-The. Select ammo manufacturers also offer loads specifically tailored to subsonic velocities - making them ideal candidates for suppressed applications where sound suppression is paramount. Offering excellent accuracy potential from quality rifles equipped with optics, this rifle round is capable of taking down large game animals like deer and elk out to 150 yards while still being relatively easy on your wallet. TESTED: Hornady Sub-X 190gr 300 Blackout Ultimate Reloader TESTED: Hornady Sub-X 190gr 300 Blackout Hornady’s SUB-X bullets are optimized for expansion at subsonic velocities. Designed to provide increased terminal performance out of short-barreled firearms while still allowing rifle platforms to accommodate standard NATO accessories such as suppressors and flash hiders, it has since gone on to become one of the most popular choices among shooters looking for an effective short range cartridge. 300 AAC Blackout, commonly referred to as the "300 BLK" or "Blackout", is a modern intermediate rifle cartridge developed in conjunction with Advanced Armament Corporation and Remington Defense in 2009. I see many people loading above max by a lot and being happy with results. If these feed for you I'd highly recomend them! I ended up going to the Sierra 220g SP also seated right to the cannalever, which worked equally well, was 100% feeding, but for some reason would only give me 1.5 - 1.75 MOA 100.Load data for caliber ".300 AAC Blackout" The. ARCHIVED THREAD - 300 BLK with 208gr Hornady amax/eld specific load info needed Posted: 6:39:25 PM EDT I've been through the 300 thread but I'm looking at specific subsonic loads for an 8' barrel and the limited manufacturer load data is frustrating. My testing accuracy wise and expansion was all very positive, easily capable of MOA at 100 and nice little mushroom shape if striking anything dense enough, such as the dirt behind my target. BTY - Load data is in both Hornady and Sierra manuals for 300 Whisper which is OK to use. Either way I would get a failure to feed about once every 6 to 8 rounds. Filmed 8-11-18 Loading some subsonic test loads for the Ruger American Ranch bolt gun with Hodgdon CFE BLK and Hornady 225 ELD-M bullets. Find your best price for 300 AAC Blackout Ammo rifle subsonic Cheap 300 AAC. Suggested subsonic load: R-P 300 AAC BLACKOUT brass Remington 7.5 primers 11.2 grains of AA 1680 powder. At 200 yards, the 60.5 inch bullet drop of a. 300 blackout rifle reloading data 7 300 blackout rifle reloading data 8 indicates maximum load - use caution loads less than minimum charges shown are not recommended. 45ACP ammunition has a muzzle velocity of 863 fps and has 380 ft/lbs of energy at the muzzle when fired from a 1911. Approved and awaiting stamp I have: Lil gun, 5744, H110 and 296. As a comparison, a 230 grain round of Federal JST. I have a can due in within a week or two. The problem I had with this bullet was feeding, possibly a result of my magazine(s) (Pmag and USGI) or a slight variation in the feed ramp profile of my barrel. Ive been through the 300 thread but Im looking at specific subsonic loads for an 8' barrel and the limited manufacturer load data is frustrating. If you prefer the extra velocity 12.2g with my setup gave 1040 fps with an equally agreeable ES. That 100 fps makes the sound signature WAY quieter. I find 950 fps to be much preferable to 1050 fps most people try for. Best load data for subsonic 300 Blackout 300 blackout subsonic load data By. I've had really good ballistic results with this bullet and right around 12g of IMR 4198 seated to the cannalever, gave me 950 fps with a quite low ES right around 12-13 fps. The Hornady 208 AMAX has proven to be a very accurate load for me in my.
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