Weaver Grand Slam Base

Weaver's precision-built all steel bases are machined to tight tolerances for a custom fit and a square-cut notch mates to the sturdy cross bolt in every Weaver Detachable ring. Custom hardened fastening screws included. Specifications: - Package Includes 1 Base - Material: Steel - Style: Weaver - Finish: Matte Black Fits: - Browning BLR - Colt Coltsman in 223, 243, and 308 cailber (round receiver) - Mossberg Models 810, & RM7 (Rear) - Sauer SHR 970 - Western Field 730 (Rear) - Winchester 52 with the Hole Spacing Different (Rear) Note: Mounting Hardware Included.