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.
Fits:
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)
Fits:
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)