The Mesa Tactical Matte Black Barrel/Magazine Clamp provides secure retention for aftermarket or factory magazine extensions on Remington 870 shotguns while offering flexible mounting options near the muzzle.Mesa Tactical Barrel/Magazine Clamp for Remington 870Matte black finish for tactical applicationsSecurely retains magazine extensionsAccepts push-button quick release sling swivel12 gauge compatibilityFlexible mounting options near shotgun muzzleIdeal for tactical shotgun setups this clamp enhances weapon retention and provides convenient sling attachment points for law enforcement military and civilian tactical applications.