Henry's cantilever scope mount is compatible with 1st generation big boy rifles.It accepts weaver style, detachable 1" top mount rings (rings not included).
Type: 1-Piece Base
Model: Big Boy
Style: Cantilever
Finish: Black Matte
Material: Aluminum
Pieces: 1
Gun Type: Rifle
Mount Type: Cantilever
Rings Included: No
Type: 1-Piece Base
Model: Big Boy
Style: Cantilever
Finish: Black Matte
Material: Aluminum
Pieces: 1
Gun Type: Rifle
Mount Type: Cantilever
Rings Included: No