Enhance your firearm's versatility with the ABCSportZ M4 Collapsible AR Buttstock and Buffer Tube Kit, available in Black and Tan. This premium kit features high-quality injected molded polymer construction and fits Mil-Spec carbine buffer tubes, ensuring a perfect fit for your needs. A California compliant edition is also available, making it suitable for various regulations. High quality injected molded polymer Fits Mil-Spec carbine buffer tubes CA compliant edition available Available colors: Black/Tan Made in the USA Optimize your shooting experience with this robust and reliable buttstock kit.