Carlson's Choke Tubes Open Box, Dealer Demo, Carlson's Choke Tubes Shotgun Magazine Extension Assembly, 12 Gauge, TriStar Raptor, 8-Round, Black, 04533-8RD

These magazine extensions are constructed of solid steel and come with spring base clamp with swivel stud (included) to work with quick detachable swivel (not included) and a high visibility follower (some extensions require factory follower and will not come with one).