Weaver Standard Top Mount Aluminum Scope Base - Black - #12 - For Remington Ruger Savage Sears StevensWinchester H&R Marlin Mossberg 48012

Nobody makes bases to fit as many guns as Weaver. Yet each base is machined to tight tolerances for a custom fit. They're 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. 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 rearv 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 -0 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 Manufacturer Part Number: 48012