Set of (1) each of 1/2" wood screw fore-end base and 3/4" rear wood screw base with white spacers only.
Special fore-end adapter bolt swivel base. Wood screw base for stock. Pair.
Set of (2) with swivel lock feature. For rifles with factory installed studs or to interchange with other QD swivels. No studs provided. Pair.
Machine screw fore-end base, wood screw rear base. Replaces many factory non-detachable swivels. Pair.
Special machine screw base for mounting in tube magazine lever action rifles, carbines, with fore-end band; also Mossberg 500 shotguns. Gun alterations required. Pair.
FITS MOST SINGLE BARREL 12's 1" (.850-.900"dia.)