Magazine Extension Support Clamp - Magazine Clamp, 12 Ga Mossberg

Strong, lightweight aluminum clamp attaches securely to barrel to provide extra support for extended magazine tube. Eliminates unwanted vibration under recoil to ensure smooth, reliable feeding of rounds. Low-profile design, rounded edges, and flush-mounted hex-head machine screws prevent snags and damage to patrol car interiors; hardcoat anodized surface adds strength and exceptional resistance to surface abrasion. Available in Standard model and Tactical Rail configuration with Picatinny-type