Browning AB3 Quick Release Weaver-Style (QRW) 2 Piece Matte Finish by Leupold Optics offers Browning AB3 Quick Release Weaver-Style (QRW) 2 Piece Matte Finish. The STD bases are forged and machined from high quality steel and finished to a beautiful sheen. The mounts are designed by Leupold to fit the Browning AB3 rifle. Summary The AB3 Quick Release mounts are designed to allow you to remove your scope and reattach it with a minimal shift in bullet strike. These mounts will not shift beyond 1/2" of the original point of impact. The throw lever is precise and durable. Specifications and Features: .5 MOA Shift Max Forged/Machined Steel Expert Finish Two Piece