Complete lower parts kit for building a custom .308 AR platform rifle. Mil-spec dimensions and coating ensure quality and proper component interface. Includes all springs, pins, selector, grip, trigger group, and magazine catch components.
The Aero Precision M5 Standard Lower Parts Kit provides everything you need to assemble the lower receiver of a .308 AR platform rifle from the ground up. This comprehensive kit is engineered to exacting mil-spec standards, ensuring proper fit and reliable function.
Aero Precision's commitment to precision manufacturing means each component is dimensioned and finished to work seamlessly with M5 (.308) lower receivers. The custom takedown and pivot pins are specifically designed for M5 lowers and will also function with DPMS-pattern lowers, though they may extend slightly further on those receivers.
This kit includes everything required for a functional lower assembly:
Takedown System
Trigger Group
Safety and Controls
Magazine System
Bolt Catch Assembly
Whether you're a seasoned builder or tackling your first .308 AR project, this lower parts kit provides the quality components and complete parts count you need to complete your build with confidence.