The newly redesigned Saker ASR sets the industry standard for durability and modularity at an affordable price. The Saker ASR was designed for use with bolt action semi-auto and full-auto firearms. In addition to its performance the Saker ASR's design allows for maximum user adaptability and convenience ASR (Active Spring Retention) Mount technology facilitates attachment via a variety of different flash hiders and muzzle brakes with an additional option of direct thread mounting. - CALIBER: 5.56mm - WEIGHT: 16.7 oz - DIAMETER: 1.50 - LENGTH: 6.37-7.33 - MATERIAL: Stellite & Stainless Steel - MUZZLE AVERAGE - 5.56mm: 134.0 dB