BASE WEAVER #403 MOSSBERG 30-30

H&R 65, 165, 150 and 151 auto, front or rear
H&R 250, 251, 264, 265, 365, 450 and 550, rear
Marlin 88, 89 and 98, front or rear
Remington 12A, rear
Remington 121 with 3/4" and 3/16" barrels, rear
Remington 12C octagon barrel, rear
Remington 25, rear
Stevens 416, rear
Winchester 43, front or rear