Luth-AR Complete M4 Carbine Furniture Kit Black. The set includes an M4 Waffle butt stock a Carbine (CAR) hand guard and an A2 pistol grip. Available in Black allowing you to customize your firearm to match your style. Built for durability and comfort this set is perfect for those who appreciate the original M4 design while seeking modern functionality. Specifications for Luth-AR Complete M4 Carbine Furniture Kit: Manufacturer: Luth-AR Color: Black Gun Model: M4 AR-15 Stock/Brace Material: Nylon Gun Type: Rifle Weight: 6.9 oz Length: 6.5 in Package Contents: Luth-AR Complete M4 Carbine Furniture Kit M4 Butt Stock Carbine (CAR) Length Hand Guard A2 Pistol Grip Pistol Grip Screw Pistol Grip Washer Luth-AR FK-M4-CB: Complete M4 Carbine Furniture Kit Black