Each Weaver mount base is machined to tight tolerances for a custom fit. These Aluminum bases offer maximum strength for rings to hold tight

Rear base for:

• Browning BLR (Lever Action)
• Mossberg 810 & RM7
• Colt Coltsman in 223, 243 & 308 Caliber (round receiver)
• Sauer SHR 970
• Western Field 730
• Winchester 52 (hole spacing different), 61 with Octagon Barrel

Front base for:

• Browning BLR (lever action)
• Colt Coltsman in 223, 243 & 308 Caliber (round receiver)
• Sauer SHR 970