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Aero Precision M5 .308 M16 Pocket Cut FCG Stripped Lower Receiver

The Aero Precision M5 .308 Stripped Lower Receiver helps you build a big-bore AR from the ground up.

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The Aero Precision M5 .308 Stripped Lower Receiver helps you build a big-bore AR from the ground up. Mil-spec dimensions and coating ensure the highest quality and correct component interface.

Don’t forget to buy an Aero Precision M5 (.308) Lower Parts Kit which is specifically designed to work with the M5 Lower Receiver and includes custom takedown and pivot pins as well as an extended magazine catch button. These parts kits DO NOT include an FCG so be sure to take a look at the Aegis Cerakote & Gunworks AR-10 Full Auto Fire Control Group FCG Parts Kit w/ AR-10 Auto Sear to get the most out of your new AR-10! This stripped lower receiver has a CNC Milled M16 Cut Fire Control Pocket.


  • Works with standard AR 308 components and magazines
  • Upper Tension Screw – Allows users to fine tune the fit of the upper and lower receiver through the use of a nylon tipped tensioning set screw inserted in the grip tang of the lower receiver.
  • Rear takedown pin detent hole is threaded for a 4-40 set screw
  • Bolt catch is threaded for a screw pin (no roll pin needed)
  • Integrated trigger guard
  • Selector markings will work with 45, 60 or 90 degree safety selectors
  • Accepts Battle Arms Development short throw safety selectors, but will work with any standard selector
  • No gap with aftermarket pistol grips


  • Stripped M5 (.308) Lower Receiver in Anodized Black
  • Nylon tipped tensioning set screw


  • Ambidextrous: Non-Ambi
  • Brand: Aero Precision
  • Forged Mil-Spec Lower
  • Caliber Marking: Multi
  • Color: Black
  • Finish: Hardcoat Anodized or Cerakote
  • Receiver Material: 7075-T6 Aluminum
  • Manufacturer: Aero Precision
  • Trigger Pin Diameter: MIL-SPEC .154
  • CNC Milled M16 Cut Fire Control Pocket
  • Weight: 12 Oz
  • Made in the USA
SKU: APAR308003C Tags: , , , , ,
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