CMMG 308 Premium Lower Parts Kit

In stock

All the parts you need to get started on your next Mk3 build. Combine this kit with a buttstock kit to complete your lower group. Compatible with CMMG Mk3 Lowers and most LR308 type lowers.


  • .308 Takedown Pin
  • .308 Receiver Pivot Pin
  • 2 x Takedown Pin Detent
  • 2 x Takedown Pin Detent Spring
  • Bolt Catch
  • Bolt Catch Plunger
  • Bolt Catch Screw
  • Bolt Catch Spring
  • Buffer Retainer
  • Buffer Retainer Spring
  • 2 x Hammer and Trigger Pins
  • Hammer Spring
  • Trigger Spring
  • Disconnector
  • Disconnector Spring
  • Magazine Catch
  • Magazine Catch Spring
  • Magazine Release Button
  • Safety Selector
  • Selector Detent
  • Selector Detent Spring
  • Lock Washer Pistol Grip Screw
  • Hammer
  • Trigger
  • Pistol Grip
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