Sound-Loc kit Superior noise reduction For .177-caliber Talon SS air rifles equipped with the old AirForce baffles Install it yourself...quickly, easily Use only on .177-caliber Talon SS rifles Sound-Loc incorporates asymmetrical deflection of air exiting the muzzle as the gun is fired. It also includes captured air expansion and reflexive air flow, which combine to decelerate air velocity and minimize the report of the air rifle.