The M5 .308 Stripped Upper Receiver is the perfect upper for your big bore rifle build. Forged from 7075- T6 aluminum, this stripped upper is precision machined to accept standard .308 components. Match this with our M5 .308 lower receiver for a solid and dependable fit.Our M5 (.308) lower parts kit helps you to build a custom .308 AR from the ground up. Mil- spec dimensions and coating ensure the highest quality and correct component interface.
Features: •Aero Precision M5 (.308) Complete Lower Parts Kit •Our custom takedown and pivot pins are made to work with our M5 lower. They will work with DPMS-pattern lowers as well but will stick out further. Includes: •Takedown/pivot Spring •Takedown/pivot detent •Trigger/hammer pin •M5 .308 Takedown pin •M5 .308 Pivot pin •M5 .308 Bolt Catch •Bolt Catch Spring •Bolt Catch Buffer •Bolt Catch Roll pin •Safety Selector •Safety Selector Spring •Safety Selector Detent •Buffer Retainer •Buffer Retainer Spring •A2 Pistol Grip •Pistol Grip Screw •Pistol Grip Lock Washer •Trigger Spring •Hammer Spring •Disconnector Spring •Magazine Catch Body •Magazine Catch Spring •Extended Magazine Catch Button •Hammer •Trigger •Disconnector