DPMS CAR-15 AR Collapsible Buttstock Assembly Kit Black. Everything you need to complete out the stock assembly is included with this kit and will give your new build or existing lower that old school flare you have been craving. Includes: B5 Systems Fiberlite CAR-15 Adjustable Stock 6 Poisition Mil-Spec Buffer Tube Carbine Buffer Carbine Buffer Spring Castle Nut and Latch Plate. Specifications for DPMS CAR-15 AR Collapsible Buttstock Assembly Kit: Manufacturer: DPMS Color: Black Gun Model: AR-15 Gun Make: AR Platform Package Contents: DPMS CAR-15 AR Collapsible Buttstock Assembly Kit What firearm models does the manufacturer say DPMS CAR-15 AR Collapsible Buttstock Assembly Kit is compatible with? The manufacturer suggests that DPMS CAR-15 AR Collapsible Buttstock Assembly Kit is compatible with AR-15DPMS DP51655160091: CAR-15 AR Collapsible Buttstock Assembly Kit Black