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!
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 54%
MSRP: $99.95
Original price was: $56.90.Current price is: $47.95.
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: $53.90.Current price is: $51.20.
RAVE-140 Lower Parts Kit Minus Grip
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RAVE-140 Lower Parts Kit Minus Grip

Save 32%
MSRP: $179.99
Original price was: $167.94.Current price is: $117.90.
Carbine Lower Build Kit Configurator
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Carbine Lower Build Kit Configurator

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

Save 19%
MSRP: $179.95
From $141.85
Sale!
Black Fallout Lower Build Kit
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Black Fallout Lower Build Kit

Save 46%
MSRP: $239.95
From $130.20
Sale!
Dirty Bird LE Style 2-Stage Lower Build Kit
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Dirty Bird LE Style 2-Stage Lower Build Kit

Save 40%
MSRP: $199.95
From $119.95
Sale!
Magpul SL-K Lower Build Kit Minus FCG
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Magpul SL-K Lower Build Kit Minus FCG

Save 29%
MSRP: $139.95
From $109.13
Sale!
Magpul SL Lower Build Kit Minus FCG
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Magpul SL Lower Build Kit Minus FCG

Save 29%
MSRP: $153.84
From $100.63
Dirty Bird A2 2-Stage Lower Build Kit
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Dirty Bird A2 2-Stage Lower Build Kit

Save 100%
MSRP: $209.95
From $195.85
Dirty Bird Magpul MOE Fixed 2-Stage Lower Build Kit
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Dirty Bird Magpul MOE Fixed 2-Stage Lower Build Kit

Save 100%
MSRP: $229.95
From $223.55
Magpul PRS Lower Build Kit Minus FCG
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Magpul PRS Lower Build Kit Minus FCG

Save 9%
MSRP: $359.95
From $342.60
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: $101.85.Current price is: $96.75.
Dirty Bird Magpul UBR 2-Stage Lower Build Kit
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Dirty Bird Magpul UBR 2-Stage Lower Build Kit

Save 100%
MSRP: $361.95
From $306.70
Magpul PRS Lite Carbine Lower Build Kit
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Magpul PRS Lite Carbine Lower Build Kit

Save 100%
MSRP: $259.99
$199.29