BKF AR15 Mil Spec Lower Parts Kit (LPK)

(10 customer reviews)


396 in stock


This product is 100% made in the USA! All components are quality Mil-Spec parts for completing your AR15 lower receiver. Pair with our buffer tube assemblies for a smooth hassle free build.

BKF Carbine buffer assembly Click HERE

BKF Pistol buffer assembly Click HERE


  • BKF Fire Control Group (Trigger, Hammer, Disconnector)
  • Mil Spec magazine release Button
  • 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 Mag Catch Latch
  • Mil-Spec Small Parts Kit
    • Takedown Pin
    • Takedown Pin Detent
    • Pivot Pin
    • Pivot Pin Detent
    • Trigger Pin
    • Hammer Pin
    • Selector Detent
    • Bolt Catch Roll Pin
    • Bolt Catch Plunger
    • Buffer Retainer
  • Mil-Spec Grip Kit
    • A2 Grip
    • Hex-head screw
    • Lock washer
  • Mil-Spec Metal Trigger Guard Kit
    • Trigger Guard
    • Trigger Guard Roll Pin

Additional information

Weight .5 lbs
Dimensions 8 × 4 × 4 in

10 reviews for BKF AR15 Mil Spec Lower Parts Kit (LPK)

  1. Nifae N. (verified owner)

  2. Kenneth A. (verified owner)

    Great service and fast delivery…. will purchase from again

  3. Anonymous (verified owner)

  4. Kenneth Rabidou (verified owner)

    Great price and was in stock. What I needed in a basic parts kit.

  5. Jonathan D. (verified owner)

    Very impressive with these kits, good fit and finish.

  6. Anthony M. (verified owner)

    A very good milspec lpk , will buy again.

  7. Cody B. (verified owner)

    Trigger had to be filed down slightly by local gunsmith, the trigger would never reset after each shot without pushing the trigger forward…

  8. Roy Keen (verified owner)

    Great parts fast shipping

  9. Vince Yurkoski (verified owner)

    Worked good

  10. James F. (verified owner)

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