Subsonic speed fps for 300 blackout12/9/2023 With an impact velocity of 300 AAC BLACKOUT (Subsonic Loads) Barrel: 16. Frankly any emphasis on boutique subsonic bullets is a lost cause in my book. 45ACP ammunition has a muzzle velocity of 863 fps and has 380 ft/lbs of energy. Short range lethality in a compact package with ergonomic controls. It makes the best sense in something along the size of an MP5, such as the Sig Rattler. Marketing has been focused on subsonic range toy bull shit guns as big as the same made more effective with 5.56. It's slow, the bullet selection is small, and it takes up the space of a 5.56 gun. TAC-TX are at least 70 cents typically.ģ00 Blackout is a very niche cartridge that the gun media has masqueraded as some do-it-all wonder pony. Plus they're usually between 20 to 30 cents apiece in today's market. The Nosler Varmageddon and Hornady VMAX 110 gr projectiles will achieve the same velocity as the 110 TAC-TX, and offer excellent expansion and acceptable penetration. Quality 300 Blackout projectiles are indeed quite limited, but you don't need to buy the 110 or 120 TAC-TX exclusively. Designed to expand at velocities down to 900 fps. 44 Mag gets the win with the parameters OP set up. As stated above, the advantage of 300BLK is getting 30 rounds into a mil spec AR15 magazine, using an AR bolt, a 9 inch barrel, and firing. The distance to which it’s an ethical killer depends on your ability. FMJ, or Soft point will be almost useless in either caliber at subsonic velocities. That’s plenty of juice to ethically and effectively take down deer-sized critters. Other features: Impact velocities of 960 to 1,020 fps into ballistic gelatin, providing 16-18 penetration and 90+ weight retention. 300 Blackout bullet leaving a 16-inch barrel averages 2,350 fps and delivers roughly 1,350 ft.-lbs. Both hit, but only one is going to act like a rifle round. Performance of the 300 Blackout Subsonic load meets or exceeds FBI Protocol terminal ballistic test requirements. This is one of the main differences in a hunting cartridge versus a target cartridge at distance. High velocity (2200+ FPS) bullets will turn organs like the liver and heart into a jelly during field dressing. Albeit it doesn't do a lot, and with the already slow speed of 300 Blackout the engagement range must be short since most light. 9mm Ammo 300 Blackout Ammo Shotgun Ammo Rimfire Ammo Reloading Also in Ammo: Rifle Ammo Ammo Cans Subsonic Ammo Handgun Ammo Steel Cased Ammo Storage XM855. I still had the hornady black so I used that as a baseline for speed testing. Fast forward a few weeks and I have a 5x5 load test for hornady 208 and 220 gr BTHPs using Accurate 1680 powder. Meanwhile lower weight 110-120 gr bullets moving fast enough will exceed some tissue elasticity with their hydrostatic shock during expansion/fragmentation, and yield not only a permanent crush cavity but the disruption of nearby tissue through liquification. Hornady black and the remington 220gr OTM subsonic both failed to lock on an empty mag. Click to expand.The subsonic projectiles are all at the best a slow expanding bullet that has to entirely rely upon permanent cavity and penetration depth for wounding.
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