The TacFire AR-15 Mil-Spec 6-Position M4 Stock Kit provides everything you need to transform your AR-15 lower into a versatile, collapsible stock system. This comprehensive kit features a durable M4-style stock equipped with a 6-position buffer tube that meets military specifications for reliable performance. Included in the kit are a standard action spring and a 3 oz carbine buffer, both engineered to ensure smooth and proper cycling for your firearm. Elevate your shooting experience with the TacFire AR-15 M4 Stock Kit, designed for optimal adaptability and functionality.