DPMS AR-15 CAR Blade Pistol Lower Build Kit One Size. Pistol Grip: DPMS Retro A2 style pistol grip. Trigger Guard: A drop-in replacement aluminum trigger guard. DPMS Retro Lower Parts Kit: Includes the standard necessities to finish your DPMS stripped lower. Mil-Spec Buffer Tube: Diameter 6-position buffer tube assembly. Everything you need to finish your DPMS stripped lower. Specifications for DPMS AR-15 CAR Blade Pistol Lower Build Kit: Manufacturer: DPMS Gun Make: AR Platform Gun Model: AR-15 Package Contents: DPMS AR-15 CAR Blade Pistol Lower Build Kit DPMS DP51655159027: AR-15 CAR Blade Pistol Lower Build Kit One Size