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

  • Omega AR-15 Lower Build Kit

    Omega AR-15 Lower Build Kit

    MSRP: $119.95
    $84.85
  • Sale!
    Surplus AR-15 Mil-Spec Bare Bones Lower Build Kit
    SALE ENDS: 00h 00m 00s

    Surplus AR-15 Mil-Spec Bare Bones Lower Build Kit

    Save 60%
    MSRP: $99.95
    $39.95
  • RAVE-140 Lower Parts Kit Minus Grip

    RAVE-140 Lower Parts Kit Minus Grip

    MSRP: $179.99
    $122.90
  • Carbine Lower Build Kit Configurator

    Carbine Lower Build Kit Configurator
  • 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
  • Sale!
    Rogers Super-Stoc Mil-Spec Lower Build Kit
    SALE ENDS: 00h 00m 00s

    Rogers Super-Stoc Mil-Spec Lower Build Kit

    Save 55%
    MSRP: $154.95
    $69.95
  • Dirty Bird AR-15 Carbine Hogue Lower Build Kit Minus FCG

    Dirty Bird AR-15 Carbine Hogue Lower Build Kit Minus FCG

    MSRP: $179.95
    $149.32
  • NBS CQB 4 Position Micro AR-15 Lower Build Kit

    NBS CQB 4 Position Micro AR-15 Lower Build Kit

    MSRP: $109.99
    $81.85
  • Dirty Bird SBA3 Lower Build Kit

    Dirty Bird SBA3 Lower Build Kit

    MSRP: $219.95
    $179.95
  • Magpul SL Lower Build Kit Minus FCG

    Magpul SL Lower Build Kit Minus FCG

    MSRP: $153.84
    $152.98
  • Magpul SL-K Lower Build Kit Minus FCG

    Magpul SL-K Lower Build Kit Minus FCG

    MSRP: $139.95
    $133.98
  • Dirty Bird Magpul MOE Fixed 2-Stage Lower Build Kit

    Dirty Bird Magpul MOE Fixed 2-Stage Lower Build Kit

    MSRP: $229.95
    $189.75
  • Magpul PRS Lower Build Kit Minus FCG

    Magpul PRS Lower Build Kit Minus FCG

    MSRP: $359.95
    $328.80
  • 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 5%
    Starting from: $92.95