DealPS90 Standard Blk, 5.7x28 30rd Description Chambered in the 5.7x28mm cartridge, the PS90 utilizes blowback operation and fires from a closed bolt for greater accuracy and reliability. The PS90's civilian legal 16.04" cold hammer-forged MIL-SPEC barrel is equipped with an integrated muzzle brake. from Gold Mountain Arms (Product 3848950460) |