Lower Build Kits

Filter

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
  • NBS Bare Bones Lower Build Kit

    NBS Bare Bones Lower Build Kit

    MSRP: $59.95
    $53.90
  • Retro AR-15 A2 Lower Build Kit

    Retro AR-15 A2 Lower Build Kit

    MSRP: $129.95
    $109.95
  • Carbine Lower Build Kit Configurator

    Carbine Lower Build Kit Configurator
  • Magpul MOE Lower Build Kit - Black

    Magpul MOE Lower Build Kit – Black

    MSRP: $169.95
    $121.80