B-Square Mounts for Colt AR15 Carry Handle
B-Square 1 Piece Base Matte Rings Carry Handle Colt AR-15/16, M16. Attaches to the gun's handle by a large thumb screw knob. Base is removed and installed without zero change. Standard Dovetail base. Includes InterLock 1 inches rings. Lifetime manufacturer warranty. B-Square will repair or replace if it proves defective.