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

Thanks KS
Review by Mont J.
Verified Buyer
I purchased two of these lower parts kits. Using one for repair, other is stored in my spares box.
Excellent Spare Part A++
Review by Lakendrick S.
Verified Buyer
Received in four days after buying. Will be back to buy from Keepshooting again!
Exactly as described.
Review by Lemar X.
Verified Buyer
Pleased with this order.
Good Website
Review by Milan O.
Verified Buyer
Price is excellent and shipping was quick.
Review by Ayron C.
Verified Buyer
lower parts kits look good. Exactly what I wanted.
Good for my use
Review by Brick F.
Verified Buyer
Cost is wonderful and shipping was quick.
Review by Dorian E.
Verified Buyer
5 Star
Excellent Seller
Review by Lillian I.
Verified Buyer
These replacement parts are excellent. Would recommend.
Good AR15 lower parts kit
Review by Chao X.
Verified Buyer
Functions great as a spare lower parts kit for my AR15.
Excellent Deal
Review by Dorsey N.
Verified Buyer
Best AR15 lower parts kit for the buck from a awesome company. Thank you ks!
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