Luth-AR MBA-5 Buttstock is a lightweight, adjustable carbine buttstock for AR10, AR15, and M-16 platforms, chambered for .308/9mm/.223/5.56. Constructed from high-strength glass-filled nylon in Flat Dark Earth. Requires Mil-Spec or Commercial carbine buffer tube. LOP 11.50-14.50 (collapsed to extended), weight 8.95 oz. Features paddle adjustment lever for rapid positioning, flared cheek rest (non-adjustable vertically), integrated Picatinny rail for mono-pod attachment, anti-rattle set screw, rubber buttpad, and Grovtec QD sling cup-ready pockets on both sides. Safety note Follow all manufacturer installation instructions. Verify proper function and secure mounting before use. Comply with local firearm laws and regulations.