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

Always great full and fast
Review by Quintrel W.
Verified Buyer
Always great full and fast service
Great Order
Review by Ikaika A.
Verified Buyer
Cheapest price I could find that was available. Delivery was fast via UPS.
Very Pleased
Review by Heath O.
Verified Buyer
Received in four days after buying. Will be back to buy from Keepshooting again!
Good Spare Part A++
Review by Hilberto B.
Verified Buyer
Best price I could find that was online. Delivery was speedy through UPS.
Great AR15 lower parts kit
Review by Kee K.
Verified Buyer
Lowest price anywhere that was in stock. Delivery was quick via Fedex.
Great AR15 lower parts kit A++
Review by Ashton H.
Verified Buyer
Finest AR15 lower parts kit for the price from a awesome company. Thank you ks!
Review by Thayer O.
Verified Buyer
These AR15 lower parts kit are great. Would definitely buy again.
Perfect Spare Part A++
Review by Thor X.
Verified Buyer
These replacement parts are excellent. Would absolutely recommend.
Very Happy
Review by Milagro G.
Verified Buyer
Cost is wonderful and shipping was speedy.
Just as pictured.
Review by Deante A.
Verified Buyer
Parts look excellent. Exactly what I needed.
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