Lower Parts

Lower Parts

Browse our selection of AR-15 lower parts from triggers, trigger guards, pistol grips and stocks to LPKs, buffers, receiver extension tubes and more. Featuring some of the best brands including Geissele, ALG Defense, Magpul, BCM, and CMMG.

  • On Sale
    CMMG AR15 Lower Parts Kit (55CA6C5) Unboxed 55CA6C5 CMMG AR15 Lower Parts Kit (55CA6C5) Color Coded Bags

    CMMG

    CMMG AR15 Lower Parts Kit

    Now: $49.95
    Was: $59.95
    This premium CMMG AR15 Lower Parts Kit includes pistol grip, fire controls and all parts and pins necessary to complete a stripped lower. CMMG uses color coded bags for the parts to help you keep everything organized. Type AR15 Lower Parts...
    Now: $49.95
    Was: $59.95
  • On Sale

    Rock River Arms

    Rock River Arms LPK with Single Stage Trigger

    MSRP: $70.00
    Now: $49.95
    Was: $64.95
    Rock River Arms AR-15 lower receiver parts kit featuring their single stage trigger. In addition to the single stage trigger group this kit also contains all of the other parts to complete your lower receiver, just add a stock assembly. A2 Pistol Grip...
    MSRP: $70.00
    Now: $49.95
    Was: $64.95
  • AR15 H3 Buffer

    AR15 H3 Buffer

    $37.95
    This H3 buffer is approximately 0.9 oz heavier than an H2 buffer and 2.5 oz heavier than a standard carbine buffer. This extra weight helps to smooth the function of the AR-15 by slightly delaying the unlocking of the action allowing pressure in...
    $37.95
  • On Sale
    CMMG AR15 Lower Parts Kit - Gun Builders Kit 55CA601

    CMMG

    CMMG AR15 Lower Parts Kit - Gun Builders Kit

    Now: $34.95
    Was: $39.95
    The CMMG AR15 Lower Parts Kit - Gun Builders Kit allows you to pay for only the parts you need and nothing you don't.   To complete your AR-15 lower receiver you you will need to add your choice of complete fire control/trigger group, trigger...
    Now: $34.95
    Was: $39.95
  • Out of stock
    AR15 H2 Buffer For Sale AR15 Carbine H2 Buffer For Sale

    AR15 H2 Buffer

    $29.95
    This H2 buffer is approximately 0.8 oz heavier than a heavy(H) carbine buffer and 1.6 oz heavier than a standard carbine buffer. This extra weight helps to smooth the function of the AR-15 by slightly delaying the unlocking of the action allowing...
    $29.95
  • On Sale

    Rock River Arms

    Rock River Arms LPK without Trigger Group

    MSRP: $55.00
    Now: $29.95
    Was: $45.00
    Rock River Arms AR15 lower receiver parts kit without trigger group. Includes black A2 grip. Type Lower Parts Kit Trigger Group Not Included Platform AR15/AR10
    MSRP: $55.00
    Now: $29.95
    Was: $45.00
  • AR15 H Heavy Buffer AR15 H Heavy Buffer

    AR-15 Heavy Buffer

    $19.95
    This Heavy buffer, also known as an H or H1 buffer, is approximately 0.8 oz heavier than the standard carbine buffer. This extra weight helps to smooth the function of the AR15 by slightly delaying the unlocking of the action allowing pressure in...
    $19.95
  • AR-15 Carbine Buffer

    $14.95
    This standard weight carbine buffer is designed for AR-15 rifles using a carbine length buffer tube. This is the lightest of the available buffers and is standard equipment on most AR-15 carbines. Weight: 2.9 oz  
    $14.95
  • AR15 Buffer (Action) Spring

    AR-15 Carbine Action (Buffer) Spring

    $4.95
    Standard spec replacement spring helps keep your carbine cycling smoothly. This replacement buffer spring can fix cycling problems caused by spring fatigue. Made of high-grade coil spring steel that retains full elasticity over thousands of compression...
    $4.95
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