The ASR (Active Spring Retention) mount is a quick attach/detach system for your suppressors that pair with ASR flash hider, ASR closed-tine flash hider, ASR muzzle brake, and ASR single port muzzle brake and is one of the best performing mounting systems available for rifles. The locking ring ensures that the suppressor will not rotate while in use. The mount seats over your ASR muzzle device and creates a direct connection to your suppressor, allowing for the use of the muzzle device with the suppressor for even better performance. The Bravo ASR mount is compatible with the Harvester EVO, Omega 300, Hybrid 36M, Hybrid 46M, Saker ASR, and Velos LBP.