The CMMG Full Lower Parts Kit contains nearly everything you need to complete an AR-15 lower receiver.  The kit contains the following parts.


  • Takedown and pivot pins
  • Takedown and pivot pin spring (2) and detent (2)
  • Bolt catch, bolt catch plunger, bolt catch spring pin, bolt catch spring
  • Buffer retainer and retainer spring
  • Hammer and trigger pin (2)
  • Hammer and trigger springs
  • Disconnect and disconnect spring
  • Magazine catch, catch spring, release button
  • Trigger guard assembly and trigger guard pivot spring pin
  • Safety selector, selector detent, and detent spring
  • Lock washer, pistol grip screw
  • Pistol grip, hammer, and trigger  


The buffer tube, buffer spring, buffer, and stock are not included.

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CMMG Full Lower Parts Kit
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