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
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Discount Mil-Spec Lower Build Kit

Save 50%
MSRP: $109.95
Original price was: $69.90.Current price is: $54.95.
Sale!
Omega AR-15 Lower Build Kit
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Omega AR-15 Lower Build Kit

Save 46%
MSRP: $119.95
Original price was: $80.85.Current price is: $62.95.
Sale!
Surplus AR-15 Mil-Spec Bare Bones Lower Build Kit
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Surplus AR-15 Mil-Spec Bare Bones Lower Build Kit

Save 50%
MSRP: $99.95
Original price was: $52.90.Current price is: $50.25.
Sale!
NBS Bare Bones Lower Build Kit
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NBS Bare Bones Lower Build Kit

Save 11%
MSRP: $59.95
Original price was: $57.90.Current price is: $55.00.
Sale!
Retro AR-15 A2 Lower Build Kit
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Retro AR-15 A2 Lower Build Kit

Save 31%
MSRP: $129.95
Original price was: $109.95.Current price is: $100.00.
MFT BATTLELINK Mil-Spec Minimalist Lower Build Kit
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MFT BATTLELINK Mil-Spec Minimalist Lower Build Kit

Save 100%
MSRP: $123.99
Original price was: $126.88.Current price is: $124.88.
Carbine Lower Build Kit Configurator
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Carbine Lower Build Kit Configurator

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Magpul MOE Lower Build Kit - Black
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Magpul MOE Lower Build Kit – Black

Save 35%
MSRP: $169.95
Original price was: $146.05.Current price is: $114.95.
Sale!
NBS AR-15 Mil-Spec Carbine SOPMOD Lower Build Kit
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NBS AR-15 Mil-Spec Carbine SOPMOD Lower Build Kit

Save 53%
MSRP: $149.95
Original price was: $107.85.Current price is: $67.95.
Sale!
Rogers Super-Stoc Mil-Spec Lower Build Kit
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Rogers Super-Stoc Mil-Spec Lower Build Kit

Save 48%
MSRP: $154.95
From $77.95
Sale!
NBS CQB 4 Position Micro AR-15 Lower Build Kit
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NBS CQB 4 Position Micro AR-15 Lower Build Kit

Save 45%
MSRP: $109.99
Original price was: $77.85.Current price is: $57.95.
Sale!
BCMGUNFIGHTER MOD 0 Lower Build Kit
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BCMGUNFIGHTER MOD 0 Lower Build Kit

Save 20%
MSRP: $186.95
From $141.31
Dirty Bird SBA3 Lower Build Kit
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Dirty Bird SBA3 Lower Build Kit

Save 18%
MSRP: $219.95
$179.95
Sale!
KAK Shockwave Carbine 2M Blade Stabilizer Lower Build Kit
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KAK Shockwave Carbine 2M Blade Stabilizer Lower Build Kit

Original price was: $74.85.Current price is: $71.10.