Choate Tool Remington 870 12 Ga M-4 Pistol Grip12 Gauge. M4 Grip gives you a chance to use our housing and grip with what ever M4 style tube you want as long as it has standard threads . The M4 grip comes with flush cup for push button QD sling mounts and the locking ring. Weight is 1 lb 4 oz. Specifications for Choate Tool Remington 870 12 Ga M-4 Pistol Grip: Manufacturer: Choate Tool Color: Black Gun Make: Remington Gun Type: Shotgun Gun Model: Remington Model 870 Material: Polymer Fabric/Material: Metal Polymer Length: 5 1/2 in Country of Origin: USA Quantity: 1 Features of Choate Tool Remington 870 12 Ga M-4 Pistol Grip Accepts M4/AR-15 buffer tubes and grips. Fits the Remington 870. Package Contents: Choate Tool Remington 870 12 Ga M-4 Pistol Grip What firearm models does the manufacturer say Choate Tool Remington 870 12 Ga M-4 Pistol Grip is compatible with? The manufacturer suggests that Choate Tool Remington 870 12 Ga M-4 Pistol Grip is compatible with Remington Model 870Choate Tool CMT-01-03-06: Remington 870 12 Ga M-4 Pistol Grip12 Gauge