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

$49.99 $42.00
(You save $7.99)
(17 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.  

Get a 10% discount on your Lower Parts Kit if you purchase one of our AAO Lower Recievers.

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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17 Reviews Hide Reviews Show Reviews

  • 5

    Posted by Lonnie B on Dec 2nd 2018

    Good quality kit. Functions as it should.

  • 5
    Mil-Spec Lower Parts Kit

    Posted by Tim M on Nov 5th 2018

    Awesome kit quality!

  • 5

    Posted by Jessie R on Oct 29th 2018

    This is a quality kit.

  • 5
    Lower Parts Kits

    Posted by Tom L on Oct 26th 2018

    Mil-Spec greatness! Seriously good kits.

  • 5

    Posted by Andrew K on Oct 23rd 2018

    Quality kit, Fast Shipping.

  • 5
    Very satisfied

    Posted by Ron B on Sep 14th 2018

    Worked Great - Only negative is USParcel would have only cost $4.54

  • 5

    Posted by Ron on Sep 11th 2018

    Great product, everything fit nice

  • 5
    Great works well

    Posted by Chris on Sep 2nd 2018

    Works well. Zero problems

  • 5
    milspec good?

    Posted by Fiveseven guy on Aug 25th 2018

    Overall I believe the product is a very well put together kit. The question is, is it milspec good? The answer is most definitely yes.