The Luth-Ar MBA-3 stock kit delivers a versatile AR-15 upgrade with an adjustable LOP, adjustable cheek, and a robust butt plate, paired with a 308/7.62 buffer assembly for improved cycling and compatibility with AR-15 platforms. Built in black, this stock kit combines a Mil Spec size and a precision fit to enhance control and comfort across long-range and rapid-fire applications, making it an ideal choice for varmint hunting, tactical training, or precision rifle builds. The MBA-3 model from Luth-Ar integrates a dedicated Stocks & Buffer Tubes solution that streamlines installation while maximizing adjustable ergonomics, so shooters can tailor cheek height and pull length to their unique physique and shooting stance. With its AR-15 compatibility, this stock kit supports seamless integration with existing uppers and lowers, delivering steady cheek weld, consistent cheek-to-stock alignment, and reliable handling under recoil. Whether refining a duty rifle, building a competitive setup, or upgrading a trusted AR-15 platform, the MBA-3K-M offers a durable, precision-oriented interface that enhances accuracy, comfort, and confidence in varied field conditions.