300 black out 220gr subsonic 500 rounds

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300 AAC Blackout for sale

300 AAC Blackout loads usually weigh between 180- and 220-grains. This added weight makes them naturally slower than a 110-grain bullet fired through the same barrel, even if the heavier bullets are charged with the same type and amount of gunpowder as a corresponding supersonic load.

The .300 AAC Blackout (designated as the 300 BLK by the SAAMI1 and 300 AAC Blackout for sale  by the C.I.P.2), also known as 7.62×35mm is an intermediate cartridge developed in the United States by Advanced Armament Corporation (AAC) for use in the M4 carbine.

Its purpose is to achieve ballistics similar to the 7.62×39mm cartridge, or even more similarly, the 7.92×33mm Kurz cartridge in an M4 while using standard M4 magazines at their normal capacities. 300 BLK ammunition cannot be used in a rifle chambered for 7.62×40mm Wilson Tactical.3 It is mainly derived from the .300 Whisper concept, but differs in having been submitted to the SAAMI.

300 AAC Blackout for sale

Type Rifle
Place of origin United States
Parent case .221 Fireball/.223 Remington
Case type Rimless, bottleneck
Bullet diameter 0.308 in (7.8 mm)
Neck diameter 0.334 in (8.5 mm)
Base diameter 0.376 in (9.6 mm)
Rim diameter 0.378 in (9.6 mm)
Case length 1.368 in (34.7 mm)
Overall length 2.26 in (57 mm)
Rifling twist 1-8″ (203 mm)
Primer type Small rifle
Maximum pressure (SAAMI) 55,000 psi (380 MPa)
Maximum pressure (CIP) 56,565 psi (390.00 MPa)
Maximum CUP 52000 CUP

Sellier & Bellot 300 Blackout 200 Grain Full Metal Jacket SUBSONIC - 500 Rounds For Sale In Stock | Surplus Ammo



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