One Piece Scope Mount for High Power Airguns, 3/8" Dovetail rail, threaded stop Pin · Fits all scopes with a one inch body tube · 32mm center height good for mount scope with adjustable objective size up to 50mm · Removable stop pin built in · See-Thru Style. Ample openings allow clear view of iron sights when properly installed · 4 Mounting screws give lots of clamping power and make the mounted scope firm and stay in place under recoil in every shooting situation Full length of the mount is 4inch. Works with typical full-size air rifle scopes around 12inch long.