(1 customer review)


  • Manufacturer: New Frontier Armory
  • Model: Metal Lower Parts Kit (LPK)
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Only 4 left in stock

SKU: LPK-STD Category:


  • Manufacturer: New Frontier Armory
  • Model: Metal Lower Parts Kit (LPK)
  • Compatible With: All Standard Mil Spec AR-15 Lower Receivers

The New Frontier Armory Standard Metal Lower Parts Kit (LPK) has everything you need to complete your stripped AR-15 Lower Receiver except a stock kit.

Included in this kit is the following:

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

**NOTE:  If you are completing your build using a drop in trigger / fire control group you may be better served buying our Standard Metal Lower Part Kit Less Trigger Group (LPK-LTG).  CLICK HERE to view the details of that product.


The New Frontier Armory Standard Metal Lower Parts Kit (LPK) is proudly MADE IN THE USA by hard working American men and women.

Additional information

Weight.75 lbs
Dimensions4 × 4 × 1.5 in

1 review for AR-15 LPK

  1. [email protected] (verified owner)

    Awesome Parts Kit! This was my first build from scratch, and there were no issues what-so-ever!
    I will return to buy more! Many Thanks! PB

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