MBA-5 Buttstock The Luth-AR MBA-5 Buttstock is the latest in the MBA Series. Designed as an affordable, lightweight, adjustable carbine buttstock with a paddle-style adjustment lever allowing rapid positioning. The wide flared cheek rest provides a comfortable cheek weld and the integrated Picatinny rail allows for attaching a mono-pod or other accessories and the Anti-rattle set screw allows for adjustment when used with a Mil-spec buffer tube. The MBA-5 requires a Carbine buffer tube, either Mil-Spec or Commercial. Please review the information provided in the Requirements tab below. The MBA-5 is Grovtec™ Quick Detach sling cup ready*. Paired with our Chubby Grip® and Palm Handguard® the New MBA-5 is just the right choice for your AR. The Chubby Grip® is designed with shooter ergonomics in mind. The full palm swell fills the hand, providing a consistent and rapid grip, properly positioned to promote accurate and repeatable shots on target. The thumb rest and palm shelf work together to lock the hand in place shot after shot, while the raised trigger finger surface, forces the finger into the proper curved position for better trigger control and comfort.