Ncstar RB18/2 Low Profile Scope Rings 30mm Picatinny / Weaver Style With 1" inserts. Precision Machined from aircraft-grade aluminum for strength and recoil resistance. These Detachable Rings make it easy to change out any scope. Accepts both 30mm and one inch scopes comes with inserts Machined from solid stock. . Lifetime Warranty.
Color: Matte Black Finish
Style: 1" Weaver
See-Through
Comes in pair
O:1.65"
H:0.70
Base:5/8"