Colt M4 semi-auto full lower parts kit (LPK)

Colt M4 semi-auto full lower parts kit (LPK)

Out of Stock

Colt full lower parts kit (LPK) for M4 and AR15

These are either factory new, or lower receiver take-off new and repackaged.

Contains full lower parts kit for the Colt M4 semi-automatic receiver, including fire control (trigger parts), A2 grip and port-side (left) safety selector.  All 100% Genuine new Colt parts.  May contain oil (that is good)


General Parts

  • Grip
  • Grip Screw Washer
  • Grip Screw
  • Bolt Catch
  • Bolt Catch Plunger
  • Bolt Catch Spring
  • Bolt Catch Roll Pin
  • Mag Release
  • Mag Release Button
  • Mag Release Spring
  • Buffer Retainer Spring
  • Safety Selector
  • Buffer Retainer
  • Safety Detent Spring
  • Safety Detent
  • Trigger Guard
  • Trigger Guard Roll Pin
  • Takedown Detent Springs
  • Takedown Detents
  • Takedown Pins


Fire Control Parts

  • Trigger
  • Trigger Spring
  • Disconnector
  • Disconnector Spring
  • Hammer
  • Hammer Spring
  • 2 x Hammer/Trigger Pins