b'A 2 S - Q DThe A2S-QD mount automatically stops on the A2 when installed and then is locked and ratchet/detent tightened by the operator. The suppressor features ECO-FLOW internal baffles which encourage gas to flow through them with tuned back pressure reduction features. Tested with state of the art B&K Pulse LAN XI sound lab grade equipment, the suppressor achieves ear safe sound pressure levels at 3 microphone locations for the operator on the M4A1 platform (below OSHA 140dB A weighted limit). The baffles are also tuned to reduce muzzle flash to a minimum and provide ample bore clearance for bullet flight passage when attached to A2 compensators utilizing crush washers for mounting.'