The Nordic Components standard shotgun barrel clamp provides extra rigidity for your magazine extension. 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. Designed for Nordic extension tubes (1.060" diameter).

Features:
Threaded Hole to Accept Accessories
Provides Extra Rigidity
Designed for Nordic Extension Tubes (1.060? Diameter)