Weaver Top Mount Base 16 For Marlin, Mossberg, Black - 48016 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 Anshchutz Mark 12 (Front & Rear) H & R Models 250, 251, 264, 265, 365, 450, 550 (Front) Marlin Models 39A round bbl. & 1897 Cowboy (Front) Winchester Models 75 Sporter, 75 Target, & 77 (Rear) Mossberg Models 35, 40 (Rear), 43, 44, 46BT, 144, and early models (45, 46, 46A, 46B, W/13/16" Barrels)(Front) Remington 514 (Rear) Savage Models 3 (Rear), 19 & 23 (Front), 93F Heavy Barrel (Front & Rear) Stevens Models 53 (Rear), 418 and 4181/2 (Front & Rear) Savage MKII (Front & Rear) Springfield 83 (Rear) Winchester 75 Target (Front)
