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AR-15 Lower Receiver Parts


Whether you're embarking on a custom build or upgrading an existing rifle, high-quality AR lower receiver parts are essential. At Pickett's Mill Armory, we stock all of the parts you’ll need to build or complete your AR-15 lower assembly. Our kits contain new, current production parts that are packaged into logical groups to make assembly easier. We also carry parts built to military specifications. Kits with and without trigger assemblies are available to meet your customization needs.


We stock AR-15 lower receiver parts from industry leaders like CMMG and DPMS, and all of our lower receiver assemblies and kits are manufactured to the highest standards. No matter your experience with AR builds, the friendly staff at Pickett's Mill Armory can help you choose the right lower receiver kit for your project. Order today or speak to one of our veteran firearms experts if you need help!

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Aero Precision AR15 Standard Lower Parts Kit

The Aero Precision lower parts kit helps you to build a custom AR15 from the ground up. Mil-spec dimensions and coating ensure the highest quality and correct component interface.

Includes:

  • Takedown/pivot Spring
  • Takedown/pivot detent
  • Trigger/hammer pin
  • Takedown pin
  • Pivot pin
  • Bolt Catch
  • Bolt Catch Spring
  • Bolt Catch buffer
  • Bolt catch roll pin
  • Safety Selector
  • Safety Selector spring
  • Safety Selector detent
  • Buffer retainer
  • Buffer retainer spring
  • Trigger guard
  • Trigger guard roll pin
  • A2 pistol grip
  • Pistol grip screw
  • Pistol grip lock washer
  • Trigger spring
  • Hammer spring
  • Disconnector spring
  • Magazine catch body
  • Magazine catch spring
  • Magazine catch button
  • Hammer
  • Trigger
  • Disconnector

Our Price: $55.99
CMMG Lower Parts Kit for .223/5.56

This CMMG AR-15 lower receiver parts kit includes everything needed to build a complete a lower receiver, less a stock assembly and stripped lower receiver of your choice. All parts are made to standard military specs. Parts are packaged, by group, in color coded bags to make assembly easy.

Our Price: $69.99

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CMMG Lower Parts Kit .308

AR15 and 308AR/LR-308 Lower Parts Kits
 
   Includes everything needed to complete a lower receiver minus the stock assembly
   Conveniently packaged in sub-groups, for easy location of parts during assembly

Kits Include:

   Takedown pin, receiver pivot pin, takedown pin detent (2) and takedown pin detent spring (2)
   Bolt catch, bolt catch plunger, bolt catch spring pin, bolt catch spring, buffer retainer and buffer retainer spring
   Hammer & trigger pin (2), disconnector, hammer & spring and trigger & spring
   Magazine catch, magazine catch spring, magazine release button, trigger guard assembly and trigger guard pivot spring pin
   Safety selector, selector detent, selector detent spring, lock washer, pistol grip screw and pistol grip

Our Price: $79.99
   
 
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