• Convert 11mm Dovetail to 21mm Picatinny Rail: Dovetail to Picatinny rail adaptor for firearms equipped with 11mm or 3/8 inch dovetail standard.
• 11 Slots Picatinny Style Rail: 4.72 inch picatinny rail and 2.94 inches length at the base provides ample space for snag free mounting of different sized picatinny standard scopes.
• Durable Material: Precision machined out of solid structure aircraft aluminum alloy in black matte coating anodizing finish.
• Recoil resistant stop-pin on the top provides in additional zero retention against recoil force to prevent the adapter from sliding.
• Build-in locking screws: Three high strength build-in locking screws of side ensure a solid mount to lock up on rail.