LBE Unlimited AR-15 Lower Parts Kit with Trigger Guard and Grip


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LBE Unlimited AR-15 Mil-Spec Buffer Tube Kit - Black


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Complete US Made AR-15 Lower Parts Kit

This AR-15 lower parts kit from LBE Unlimited is simple: it has everything you need, and nothing you don’t. This kit is a perfect match for a mil-spec lower receiver, and just needs a buffer assembly with a stock to complete your lower build. All components in this kit are mil-spec equivalent, with full power springs for reliable function.


  • Trigger Guard
  • Trigger Guard Roll Pin
  • A2 Pistol Grip
  • Pistol Grip Screw
  • Pistol Grip Lock Washer
  • Disconnector
  • Disconnector Spring
  • Trigger
  • Trigger Spring
  • Trigger Pin
  • Hammer
  • Hammer Spring
  • Hammer Pin
  • Bolt Catch
  • Bolt Catch Buffer
  • Bolt Catch Spring
  • Bolt Catch Roll Pin
  •  Magazine Catch
  • Magazine Catch Spring
  • Magazine Release Button
  • Selector
  • Selector Detent
  • Selector Detent Spring
  • Takedown Pin
  • Takedown Pin Detent
  • Takedown Pin Detent Spring
  • Pivot Pin
  • Pivot Pin Detent
  • Pivot Pin Detent Spring
  • Buffer Retainer
  • Buffer Retainer Spring

Have Questions About this Product?

The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.

If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.

LBE Unlimited Warranty

  • For warranty information about LBE Unlimited products, you can email them directly at