Lower Build Kits

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Lower Build Kits

AR15Discounts has a great selection of Lower Build Kits. We have budget friendly kits starting under $80 and premium kits at competitive prices.

Explore our Curated Selection of Lower Build Kits from Top Tier Brands

Aero Precision , Magpul , Dirty Bird Industries , B5 Systems , NBS

  • Sale!
    Discount Mil-Spec Lower Build Kit
    SALE ENDS: 00h 00m 00s

    Discount Mil-Spec Lower Build Kit

    Save 45%
    MSRP: $109.95
    $59.95
  • Sale!
    NBS AR-15 Mil-Spec Carbine SOPMOD Lower Build Kit
    SALE ENDS: 00h 00m 00s

    NBS AR-15 Mil-Spec Carbine SOPMOD Lower Build Kit

    Save 53%
    MSRP: $149.95
    $69.95
  • Carbine Lower Build Kit Configurator

    Carbine Lower Build Kit Configurator
  • Sale!
    KAK Shockwave Carbine 2M Blade Stabilizer Lower Build Kit
    SALE ENDS: 00h 00m 00s

    KAK Shockwave Carbine 2M Blade Stabilizer Lower Build Kit

    Save 13%
    Starting from: $92.95