Aero Precision AR .308 M5 Lower Complete W/ A2 Grip & M4 Stock
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Aero Precision
Overview
The Aero Precision AR .308 M5 Lower Receiver is a complete assembly designed for the .308 Winchester caliber, featuring a forged construction from durable 7075-T6 aluminum. It includes a standard A2 grip and an M4 stock, while the non-ambi controls provide a straightforward user experience. This lower is commonly found in builds utilizing a rifle gas system, making it a solid choice for those looking to create a reliable .308 AR platform.
Specifications
Aero Precision AR .308 M5 Lower Complete W/ A2 Grip & M4 Stock
August 2026 on GunPartPicker
Aero Precision AR .308 M5 Lower Complete W/ A2 Grip & M4 Stock ranked #137 of the 507 lower receivers builders added on GunPartPicker in August 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #142 of the 996 lower receivers builders have added. Builds with this lower receiver are mostly chambered in .308 Win (75%, then 300 Blackout 13%), mostly on rifle-length gas (67%, then pistol-length 33%), and nearly all AR-10.
It was out of stock everywhere we track for all of August 2026, and today none of the 2 retailers we track has it in stock right now. Listed prices start at $340 at Brownells for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
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Frequently Built With
The part most often added in each category by the 36 builds that include this one
Aero Precision M5 (.308) Assembled Receiver Sets - M5 (.308) Threaded Assembled Upper Receiver ODG Cerakote
Radian Weapons AR-15 Raptor/talon L/s Combo Black Anodized
CMMG .308 Win/7.62 Bolt Carrier Group, Black - 38BA423
Magpul DT Carbine Stock - Mil-Spec - FDE - MAG1377-FDE
Franklin Armory BFSIII AR-S1 Binary Trigger, Gold - 00-50621-TIN
Magpul AFG-2 Angled Fore Grip - Black
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
CaliberBased on real build data showing which calibers builders choose alongside this product.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
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