Luth-AR MBA-3 Carbine Stock Kit 308/7.62 Black

The Luth-AR MBA-3 Modular Carbine Stock is a fully adjustable replacement stock designed for carbine-style AR platforms. It is built to accept both Commercial and Mil-Spec diameter carbine buffer tubes and is offered as a complete assembly kit for installation on 308/7.62 AR-10 lowers. The design includes a 3-axis adjustable butt plate, an adjustable cheek rest, and an adjustable length of pull to accommodate a range of shooter preferences. Constructed from durable glass-filled nylon, the MBA-3 provides multiple sling mounting points and a bottom Picatinny accessory rail for rear support options.

Key Specifications

• Model is MBA-3, a modular carbine stock designed for AR platforms.
• Compatibility with AR-15 and AR-10 platforms using carbine-style buffer tubes.
• Fits .223 and most .308 AR carbine-style rifles as described by the manufacturer.
• Material is injection-molded plastic (glass-filled nylon) for strength and impact resistance.
• Color finish is Black.
• Adjustability includes a 3-axis adjustable butt plate, adjustable cheek rest, and adjustable length of pull.
• This kit includes a Mil-Spec diameter carbine buffer tube, 308 carbine recoil buffer, recoil buffer spring, receiver end plate, and castle nut.
• Features an anti-rattle screw to ensure a secure fit on the buffer tube.
• Includes a bottom Picatinny accessory rail for mounting a rear monopod or similar accessory.
• Provides multiple sling mounting points for a variety of carry options.

Engineered for shooters who value modularity and precise fit, the MBA-3 stock kit delivers comprehensive adjustability and a complete hardware package to equip a 308/7.62 carbine-style AR-10 lower. Its durable construction and user-focused features make it a practical choice for those seeking to refine ergonomics and add functional mounting options without sacrificing reliability.