AR15/AR9/AR40 - Lower Parts Kit - LPK - LRPK - Mil-Spec

$69.95 $42.99
(You save $26.96)
(39 reviews) Write a Review
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AR15/AR9/AR40 Lower Parts Kit - LPK - LRPK - Mil-Spec

Everything that you need to turn your stripped AR9/AR40/AR15 Lower into a fully functional unit.

Our LRPK is the perfect way to finish off your build.   All of our parts are Mil-Spec and built to the highest standards.  

31 total pieces
- Selector Semi-Auto
- Selector Detent
- Selector Detent Spring
- Bolt Catch
- Bolt Catch Pin
- Bolt Catch Spring
- Bolt Catch Plunger
- Pistol Grip (A2 Style)
- Pistol Grip Screw
- Pistol Grip Washer
- Takedown Pin
- Takedown Pin Detent
- Takedown Pin Spring
- Pivot Pin
- Pivot Pin Detent
- Pivot Pin Spring
- Magazine Catch
- Magazine Catch Button
- Magazine Catch Spring
- Hammer Assembly - Semi-Auto
- Hammer Pin 
- Hammer Spring
- Trigger - Semi-Auto
- Trigger Pin
- Trigger Spring
- Disconnector - Semi-Auto
- Disconnector Spring
- Buffer Retainer
- Buffer Retainer Spring
- Trigger Guard
- Trigger Guard Pins

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  • 5

    Posted by Rick D. on Oct 1st 2020

    Arrived quickly and good quality parts .

  • 5
    Lower parts kit

    Posted by Tony on Aug 13th 2020

    Great kit, cant wait to get a second one.

  • 5
    No surprises, just as expected

    Posted by Johnathon Brewley on Jul 26th 2020

    Exactly what I expected. Everything is there. Works perfect!

  • 5

    Posted by Taylor M on Jun 4th 2020


  • 5

    Posted by Anthony on May 31st 2020

    Great fit, installation a breeze.

  • 5
    Good kit

    Posted by Unknown on May 29th 2020

    I bought this for an AR9 build. I'm still a ways off from assembly, but all the parts pictured are there and they are good quality.

  • 5

    Posted by Mike on May 26th 2020

    Good quality LPK and a great price. Will be using more in the future.

  • 5
    Ar15 lower parts kit

    Posted by Corey Clayton on May 12th 2020

    Can’t believe you fit all those parts in that little box. Very impressive. They worked great TY.

  • 4
    Mil-Spec LPK

    Posted by Tim on May 5th 2020

    Have not installed yet. The parts arrived in a convenent package, everything is there, and they seem to be of very good quality. Awaiting several more parts prior to assembly