I Am Coming Out: 308 Subsonic AR10 vs AR15 300 Blackout 200gr Hornady ELD-X. Technically, Blackout can be a little higher pressure, which mostly only affects supersonic loadings.) Why. 300 blk is more or less a subsonic round. Advanced Armament Corporation secured production-cartridge status, which means it got SAAMI-certified and called it. Discreet Ballistics offers its 300 AAC Blackout ammunition in either pistol/SBR (5-11”) or rifle (16”) barrel loads so that velocity is consistently in the 1000fps range no matter which platform the shooter is using.ĭiscreet Ballistics designed this target round as part of a premium two load system that complements the Discreet Ballistics 300 AAC Blackout Hunting/SD system which utilizes a machined copper projectile (Selous bullet). The main distinction is only a formality. At 100 yards this can result in as much as a 200fps drop making it more difficult for the shooter to get on target. What this means is that 300 Blackout ammunition that is designed to have a muzzle velocity of 1050FPS out of a standard 16” rifle barrel will often have a 900fps or less out of a 5” pistol/SBR barrel. Until recently, any commercially available ammunition had only been available in one load for each extreme in barrel length.
308 bullets are designed for use with higher velocity cartridges like the. Discreet Ballistics gives its customers the option of choosing these loads for use in 16″ barrels or 5-11” barrels.ģ00 AAC Blackout is typically chambered in platforms with barrel lengths ranging from 5” to 16”. 300 Blackout if you plan on hunting with it afterwards. When combined with a suppressor, 300 Blackout ammo can give you one of the most powerful, nearly silent rifles you can have. in this episode where I investigate the 223 vs 300 Blackout vs 308 debate in detail. This round has been thoroughly tested to function in both pistol and carbine length gas systems. The 300 Blackout is a rifle cartridge that’s more powerful than 5.56/.223 (AR-15 ammo) when fired out of a barrel that’s less than 16 inches long and works reliably with both super- and subsonic ammo. Gorilla Silverback, 300 BLK 205gr, Self Defense & Hunting Subsonic. Have an 8twist mcgowen on order but they are taking forever.The Discreet Ballistics 300 Blackout 190gr Subsonic Target Load is intended for use in semi-automatic and bolt action firearms chambered in 300 AAC Blackout. I also use a can for a 338 lapua on this rifle which gives me an extra margin for bullet instability should fouling cause a bad shot to keyhole the bullet. Cases last for ever like this as all I use them for is subsonic loads only. 308 Winchester has been around for years. 30 caliber cartridges is strong and AR owners are not immune to the lure of a bigger bore.
Only one of my cases has ever grown in length between loadings and that one has also given me consistently inconsistent seating pressure when seating a bullet so I think their may be something wrong with it. Many AR-15 owners begin to consider different cartridges after they’ve built or bought a few rifles in the standard 5.56x45mm/.223 Remington chambering. 308 Winchester hunting round travels at a speed of 2,680 fps compared to the.300 AAC Blackout cartridge’s 2,250 fps, meaning that at 500 yards, the.308 cartridge travels at 500 fps greater than the. The tactical value of subsonic bullets is clear enough less apparent. I anneal these cases and cull any for "fun" rounds that have abnormal feeling seating tension when I seat the bullets. 300 Blackout, whereas AR-10 style rifles are frequently paired with. latter, with a 220-grain spitzer at 1,010 fps from the. 1 grn deviation in weight after cleaning, sizing, trimming. I sorted through all my Hornady brass I had and found two lots of 30 pieces each that had less than. In my opinion the 308 delivered more energy to the. In this video I wanted to compare the bullet impact of subsonic 308 Win and 300 Blackout. Loads of fun at longer range 200-400 although at 400 it's a crap shoot for me. Suppressed subsonic 308 and 300 AAC Blackout - YouTube. 308 Win subsonics, its a big pain in the ass, and you have to use Trail Boss powder, drill-out your flash holes to 9/64', and use magnum primers. Out of 12 twist 19" Remington factory varmint barrel. 300 BLK, you dont have to use special powders, and with. 10.5 trailboss behind 190grn MK and some leftover Hornady 190's as well.
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