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Our 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.

Features:

  • 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

Includes:

  • Stripped M5 (.308) Lower Receiver in Anodized Black

  • Nylon tipped tensioning set screw

 

2 THREADED BOLT CATCH

Eliminates the chance to mar your receivers finish when installing your bolt catch

3 FLARED MAGWELL

Aids in quick and efficient magazine changes

4 INTEGRATED TRIGGER GUARD

Streamlining the assembly process and providing a more rugged platform

5 UPPER TENSION SET SCREW

Allows users to fine tune the fit between upper and lower receivers

6 THREADED TAKEDOWN PIN DETENT CHANNEL

Eases receiver extension installation by capturing the spring detent with a 4-40 set screw.