Aero Precision M5 (.308) Complete Lower Receiver w/A2 Grip/M4 Stock - FDE

The Aero Precision M5 .308 Complete Lower Receiver w/A2 Grip/M4 Stock in Flat Dark Earth is an essential component for building a reliable and precise .308 AR-platform rifle. This complete lower receiver assembly is tailored for operators, competitive shooters, and precision rifle enthusiasts who require a modular platform capable of handling full-power rifle cartridges. It arrives ready to pair with an upper receiver, simplifying the assembly process.

Constructed to Aero Precision's high standards, this M5 lower receiver features a threaded rear takedown pin detent hole that accommodates a 4-40 set screw for secure retention and tool-free operation. The integrated fire control group and bolt catch assembly are precision-machined from 7075-T6 aluminum, ensuring durability in demanding tactical and field environments. The A2 pistol grip and M4-type collapsible stock enhance ergonomic control and adjustability for various shooter body types and gear configurations.

This complete lower receiver assembly is perfect for builders transitioning from 5.56mm AR platforms to .308 rifle systems, as well as experienced gunsmiths and armorer-level technicians constructing precision or duty rifles. It offers full compatibility with standard AR .308 components and magazines, ensuring parts availability and customization flexibility. Installation is straightforward, requiring only the mating of a compatible Aero Precision M5 .308 upper receiver and charging handle.