Does Socom Use 300 Blackout?

This is the second M4 conversion contract between SOCOM and Sig Sauer this year: In February, the former snagged a handful of Sig Sauer MCX Rattler personal defense weapons for close-quarters combat. Also built on an M4A1 lower receiver, the Rattler upper can chamber both . 300 Blackout and standard 5.56mm rounds.

Do any special forces use 300 Blackout?

300 Blackout ammunition and is designed for special operations forces. ... 300 Blackout, developed by U.S.-based Advanced Armament Corporation, uses a 5.56mm case cut down to accept the . 30-caliber bullet, so the larger round can be used with the bolt and magazine of M16s, M4s and other AR-style weapons.

Do Navy SEALs use 300 Blackout?

SEAL Team Six reportedly has a number of MP7s, while the US Secret Service uses P90s. Advanced Armament Corporation (AAC), in cooperation with Remington, developed . 300 Blackout in the late 2000s. ... 300 Blackout uses the same case head and taper as a military 5.56mm cartridge.