Aero Precision M5 (.308) Enhanced Complete Lower Receiver w/ Magpul MOE & STR - Black

The Aero Precision M5 (.308) Enhanced Complete Lower Receiver w/ Magpul MOE & STR in black is the foundational component for building a reliable, modular .308 Winchester AR platform rifle. Designed for law enforcement, military, and serious civilian marksmen, this complete lower receiver eliminates the guesswork of component compatibility by arriving fully assembled with premium furniture. Whether you're constructing a precision rifle for long-range work, a duty weapon, or a dedicated hunting platform, this lower receiver delivers the quality control and ergonomics that demanding shooters expect.

Aero Precision's enhanced M5 lower receiver is machined from 7075-T6 aluminum, engineered to tight tolerances that ensure reliable operation across thousands of rounds. The integrated fire control group delivers a clean, predictable trigger break critical for precision shooting and rapid target acquisition. Pre-installed Magpul MOE grip provides superior ergonomics and control, while the Magpul STR stock offers adjustable length-of-pull and secure storage—essential features for operators in varied gear configurations. The complete lower receiver accepts all standard AR .308 upper assemblies, bolts, and magazines, preserving the modularity that makes the AR platform the preferred choice in professional and competitive settings.

This lower receiver is ideal for shooters who demand plug-and-play reliability without sacrificing build quality or performance. Its compatibility with standard AR .308 components means you can source uppers from multiple manufacturers, allowing customization for specific mission profiles—from 16-inch CQB configurations to 20-inch precision setups. Installation of your chosen upper receiver takes minutes with basic tools; no gunsmithing required. For those building their first .308 AR or upgrading from legacy platforms, this complete lower receiver provides the confidence that comes with Aero Precision's proven track record in military and law enforcement applications.