AR-15 Lower Parts Kit

Our AR-15 Lower Parts Kit is a military-spec lower parts kit that includes all components necessary to finish building your AR15 lower receiver. Whether your building a new rifle or just want to stock a spare parts kit, this kit is ideal for both uses. Order today and build your next AR!

In stock

Color Black

 Secure Online Payments


American Owned and Operated


20+ Years In Business

Returns Accepted

Ships from Pennsylvania

  • Buy 3 for $39.95 each and save 20%


  • Mil-Spec Fire Control Group (Trigger, Hammer, Disconnector)
  • Mil-Spec spring kit
    • Hammer Spring
    • Trigger Spring
    • Disconnector Spring
    • Pivot Pin Spring
    • Takedown Pin Spring
    • Buffer Retainer Spring
    • Selector Spring
    • Bolt Catch Spring
    • Magazine Catch Spring
  • Mil-Spec Selector
  • Mil-Spec Bolt Catch
  • Mil-Spec Magazine Catch
  • Mil-Spec Small Parts Kit
    • Takedown Pin
    • Takedown Pin Detent
    • Pivot Pin
    • Pivot Pin Detent
    • Trigger Pin
    • Hammer Pin
    • Selector Pin
    • Bolt Catch Roll Pin
    • Bolt Catch Buffer
    • Buffer Retainer
  • Mil-Spec Grip Kit
    • A2 Grip
    • Hex-head screw
    • Lock washer
  • Mil-Spec Aluminum Trigger Guard Kit
    • Trigger Guard
    • Trigger Guard Roll Pin

More Information

Customer Reviews

Excellent Price
Review by Stevin A.
Verified Buyer
Drop In spare lower parts kit for my AR15.
Review by Gussie T.
Verified Buyer
Functions great as a replacement lower parts kit for my AR15.
Perfect Transaction
Review by Brenten Y.
Verified Buyer
Finest AR15 lower parts kit for the price from a terrific company. Thank you keepshooting!
Review by Sevag Q.
Verified Buyer
I bought two of these lower parts kits. Used one for repair, other is stored in my spares box.
Works great easy to install
Review by Asantae H.
Verified Buyer
Works great easy to install
Review by Fadi F.
Verified Buyer
Satisfied with this AR15 lower parts kit.
Very Happy
Review by Karin D.
Verified Buyer
Cost is good and shipping was speedy.
$20 cheaper than the local
Review by Kuba S.
Verified Buyer
$20 cheaper than the local shops!
Great LPK
Review by Plutarco T.
Verified Buyer
The trigger is great and I really like the push pins.
Quick Shipping
Review by Dev J.
Verified Buyer
Price is great and shipping was quick.
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