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CMMG Lower Parts Receiver Kit For AR-15

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0.59 LBS
Frequently bought together:


The CMMG AR-15 Lower Receiver Parts Kit includes all the parts you need to get started on your next AR-15 build. Combine this kit with a buttstock kit to complete your lower group. All parts meet or exceed Mil-Spec standard.

Kit Includes

  • Bolt Catch
  • Bolt Catch Plunger
  • Bolt Catch Spring
  • Hammer Roll Pin
  • Trigger Guard
  • Trigger Guard Roll Pin
  • Trigger
  • Trigger Spring
  • Trigger Pin
  • Disconnector
  • Disconnector Spring
  • Hammer
  • Hammer Spring
  • Hammer Pin
  • Safety Selector
  • Mag Catch
  • Mag Catch Spring
  • Mag Release Button
  • Detent
  • Detent Spring
  • Pivot Pin
  • Safety Detent
  • Safety Detent Spring
  • Pistol Grip
  • Pistol Grip Screw
  • Buffer Retainer
  • Buffer Retainer Spring
  • Takedown Pin
  • Detent
  • Detent Spring

WARNING This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to You must be 18+ years old to shop and or purchase on our website and 21+ to purchase Ammunition/Firearms. Check local laws before ordering as you certify you are of legal age and satisfy all federal, state, and local legal/regulatory requirements. There are NO returns or exchanges on armor, firearms, ammunition, PPE equipment. Ammo ships UPS ground to the lower 48 states.
We reserve the right to fix any critical errors.

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Additional Information

Lower Receiver Parts Kit
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