Feature
· 30mm Diameter
· Three Height: Low, Medium and High
· For 11mm 3/8" Dovetail Rail
· Anti- Full Metal
Specification
· Overall Length:21mm(0.83 inch)
· Ring Diameter:30mm
· Material:6061-T6 aluminum alloy
· Finish:Black Matte
· Fittings:hex key
· With removable threaded recoil stop-pin
· Light weight in precision
· Easy and quick installation
· Fit most 11mm 3/8" dovetail rail air gun or hunting rifle
· Shock tested by real firearms