Rifle 1/2'''' X .050'''' Aperture - Rifle 1/2'''' X .050'''' Aperture Peep Black

Individual Williams apertures let you choose the correct sight for your hunting and target shooting environment. Provides the correct replacement for a missing or damaged disc. Standard length shank fits Williams Foolproof, Target Foolproof, and 5D only. Mfg: Brownells