The JE Machine Tech M4 Collapsible AR Buttstock and Buffer Tube Kit combines durability and performance, perfect for your next firearm build. Crafted from high-strength, impact-resistant polymer, this Mil-Spec variant stock retains the iconic M4 profile while ensuring reliable service in demanding environments. Designed to fit Mil-Spec carbine buffer tubes, it is available in classic Black or Tan colors, with a California compliant edition for local regulations. The kit also includes a DPMS Platform Mil-Spec Buffer Tube made from 6061 T6 Grade Aluminum, along with essential components like a spring, black buffer, castle nut, and standard end plate. Made in the USA.Refined and strengthened while maintaining the iconic appearance of the M4 stock, the JE Machine Tech Mil-Spec variant stock is designed to provide reliable service under the most stringent conditions. Constructed from high-strength, impact-resistant polymer, this stock is an easy choice for any build. High quality injected molded polymer Fits Mil-Spec carbine buffer tubes CA compliant edition available Available colors: Black/Tan Made in the USA Buffer Tube Kit: DPMS Platform Mil-Spec Buffer Tube (6061 T6 Grade Aluminum) Spring Black Buffer Castle Nut Standard End Plate