Each Weaver base is machined to tight tolerances for a custom fit. These Aluminum bases offer maximum strength for rings to hold tight. Custom hardened fastening screws come with every Weaver base Fits: H&R 755, 765, 852 and 865, front or rear Marlin 80, 81 and 980, rear Mossberg 25, 26, 42, 46M, 140 and 142, rear Mossberg 45 to 46 with 3/4" barrels, rear Mossberg 320, 340, 342 and 620, rear Mossberg 50, 51, 151, 152, 350 and 352, front or rear Mossberg 43, 44, 144, 46BT and 35, rear Mossberg early models 45, 46, 45A and 46B with 13/16" barrels, rear Remington 514 and 550, front or rear; drilling and tapping required Savage 4 and 5, rear Savage 6 and 7, front or rear Savage 219, rear Sears 42 and 43, rear Stevens 56 and 66, rear Stevens 57, 76, 4171/2 and 762, front or rear Stevens-Springfield 85, 87 and 872 front or rear; drilling and tapping required Winchester 57, 69, 69A, 72 and 47, rear Winchester 74, front or rear
