Each Weaver base is machined to the tightest tolerances for a custom fit. They are designed to fight the effects of recoil with a square-cut notch that precisely mates to the sturdy cross bolt in every Weaver detachable ring.
Browning BAR (Front & Rear)
Colt Coltsman in 264, 30-06 round receivers (Front & Rear)
H & R 300 & 301 LA (Post 1973) (Rear)
Musgrave Models Mark I and II (Rear)
Schultz & Larsen (Rear)
Springfield 03 (Rear)
Mounting Hardware Included.
For the Browning BAR the front base screws must be shortened by grinding.
For use with the Springfield 03, this may require bolt or safety alteration, otherwise firearm cannot function safely. Please
consult with a qualified gunsmith.