Black River Manufacturing Elite Remington 870 Collapsible Shotgun Stock Black. It's many precise adjustments will give you a custom fit and feel to your Beretta Shotgun. Shoot in complete comfort with Black River Manufacturing patented SHOCK FORCE recoil system. Specifications for Black River Manufacturing Elite Remington 870 Collapsible Shotgun Stock: Manufacturer: Black River Manufacturing Gun Model: Remington Model 870 Gun Make: Remington Gun Type: Shotgun Hand: Ambidextrous Features of Black River Manufacturing Elite Remington 870 Collapsible Shotgun Stock 6 position adjustable stock for precise length of pull 5 position adjustable cheek comb for precise sight alignment AR style buffer tube Rubber overmolded pistol grip Ambidextrous QD Swivel sockets SHOCK FORCE recoil system (stiff spring tension) QD sling swivel Package Contents: Black River Manufacturing Elite Remington 870 Collapsible Shotgun Stock What firearm models does the manufacturer say Black River Manufacturing Elite Remington 870 Collapsible Shotgun Stock is compatible with? The manufacturer says that Black River Manufacturing Elite Remington 870 Collapsible Shotgun Stock is compatible with Remington Model 870Black River Manufacturing BRPRCSBK: Elite Remington 870 Collapsible Shotgun Stock Black