The Weaver Converta-Mount shotgun side bases attach to the side of the shotguns receiver providing a mounting point for the Converta-Mount top brackets. Please note that drilling and tapping may be required for some guns. These precision engineered and manufactured side bases are used with Weaver Converta-Mount low profile or see under brackets and Weaver detachable rings.
Specifications and Features:
Fits: Remington 870, 1100, and 1187
12 and 20 gauge
Use with Weaver Converta-Mount brackets