Craft a customized AR-15 with the Aero Precision Lower Parts Kit designed for rifle enthusiasts seeking premium performance. This black kit features milspec dimensions and coating ensuring superior quality and precise component interaction. Included are essential elements like the takedown/pivot springs and detents pins bolt catch assembly safety selector parts buffer retainer and magazine catch components. Please note this kit does not come with the fire control group pistol grip or trigger guard allowing you the flexibility to choose your preferred components. Ideal for those building a personalized AR-15 from the ground up this kit provides the foundational elements needed for a reliable and efficient firearm.