Available models include:
Enfield round receiver; Q11 (Front and Rear)
Krag; Q11 (Front), Q27 (Rear)
Marlin lever action except .22; Q11 (Front and Rear)
Mauser with enlarged receiver ring *bolt must be altered; Q11 (Front), Q39 (Rear)
Montgomery-Ward early Models 47, 48, 495A, 491A, 496A with 13/16” dia. barrels; Q22 (Front), Q12 (Rear)
Montgomery-Ward 80 Slide Action; Q22 (Front), Q24 (Rear)
Mossberg 35, 43, 44, 46BT; Q22 (Front), Q12 (Rear)
Mossberg 40; Q19 (Front), Q26 (Rear)
Mossberg late Models 47, 48, 495A, 491A, 496A with 3/4” dia. barrels; Q22 (Front), Q12 (Rear)
Remington 12A; Q23 (Front), Q21 (Rear)
Remington 12C; Q38 (Front), Q21 (Rear)
Remington 14, 141; Q30 (Front), Q29 (Rear)
Remington 24; Q19 (Front), Q30 (Rear)
Remington 30; Q11 (Front and Rear)
Remington 121; Q22 (Front), Q21 (Rear)
Savage 40, 45; Q11 (Front and Rear)
Savage 25, 29 round and octagon barrel; Q38 (Front), Q11 (Rear)
Sears-Roebuck 103-13; Q19 (Front), Q21 (Rear)
Stevens 53; Q19 (Front), Q26 (Rear)
Winchester 03, 63; Q23 (Front), Q11 (Rear)
Winchester 05, 10; Q29 (Front and Rear)
Winchester 61 round barrel; Q19 (Front), Q11 (Rear)
Winchester 61 octagon barrel; Q37 (Front), Q11 (Rear)