The Luth-Ar MBA-1 Stock Kit 223 Black delivers a rugged AR-15 compatible solution with an integrated 223/5.56 buffer assembly, designed to enhance control and comfort for rifle-length setups. This black stock kit from Luth-Ar combines a precisely engineered MBA-1 buttstock with an adjustable cheek piece and adjustable length of pull, enabling shooters to tailor cheek weld and fit to their shooting posture for improved sight picture and follow-through. Built for AR-15 platforms, the MBA-1K model prioritizes stability and repeatable positioning, making it ideal for precision tasks, tactical training, and dependable field use. The kit's rifle-length configuration provides a balanced feel across typical long-range and close-quarters scenarios, while the integrated buffer assembly helps manage recoil and cycling reliability. Whether upgrading a factory stock or building a custom AR-15, this stock kit supports consistent alignment, cleaner stock geometry, and streamlined installation without compromising ergonomics. With robust construction and thoughtful adjustability, the MBA-1 stock kit is a versatile choice for shooters seeking a refined stock system that adapts to their preferred shooting stance and optics setup.