Two sizes: Standard fits most barrels with only minor polishing/fitting; Oversize especially made to give you enough metal to custom-fit it to a barrel that is undersized due to wear, G.I. barrel, etc. Fully machined. Favorite bushing of experienced pistolsmiths. Requires gunsmith fitting. Mfg: Clark Custom SPECS: .875" (22.22mm) long, .714" (18.13mm) O.D. Std, .575" (14.55mm) I.D., Oversize, .553" (14.05mm) I.D. Blued steel.
