Description

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