NORDIC COMPONENTS Shotgun Barrel Clamp, Designed for 12 Gauge MXT Extensions, Features 10-32 Threaded Hole on Each Side for Mounting Accessories and Rails, Compatible with Most 12 Gauge Shotguns, Mossberg Shotguns, Benelli Nova/SuperNova (BCL-12-MB)

The Nordic Components heavy-walled shotgun barrel clamp provides extra rigidity for your magazine extension on shotguns with heavy/overbored barrels or large barrel-to-magazine offset, such as the Mossberg 590/590A1, 835, 935, 930SPX, and the Benelli Nova/Supernova. Each clamp half has a centrally-located 10-32 threaded hole to accept accessories, such as a sling stud, barrel clamp tac rail or QD sling mount.