Low Profile for all Picatinny/Weaver Rings, Precision machined aircraft-grade aluminum, Ring Diameter 25.4mm-30mm Rail Size 20mm, Great Quality, Affordable Price
Air Bubble Level, Easy to Use,See-through
It has a completely new design to achieve fast conversion of 30mm tube with a P4 rail and a bubble level
6 Bolts per Ring, Full Metal, w/25.4mm 1" adapter, half ring w/ picatinny rail
A wide range of applications and simple methods of use