Lower Build Kits

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

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Discount Mil-Spec Lower Build Kit

Save 45%
MSRP: $109.95
Original price was: $79.95.Current price is: $59.95.
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Omega AR-15 Lower Build Kit

Save 42%
MSRP: $119.95
Original price was: $89.95.Current price is: $69.95.
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NBS Bare Bones Lower Build Kit

Save 17%
MSRP: $59.95
$49.95
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B5 Systems AR-15 Enhanced SOPMOD Lower Build Kit

Save 60%
MSRP: $249.95
Original price was: $179.95.Current price is: $99.95.
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Retro AR-15 A2 Lower Build Kit

Save 23%
MSRP: $129.95
Original price was: $119.95.Current price is: $99.95.
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RAVE-140 Lower Parts Kit Minus Grip

Save 6%
MSRP: $179.99
$169.95
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Carbine Lower Build Kit Configurator

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

Save 21%
MSRP: $99.95
$78.95
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Magpul MOE Lower Build Kit – Black

Save 19%
MSRP: $139.95
Original price was: $129.95.Current price is: $113.95.
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Out of stock

Anderson Mil-Spec Lower Build Kit

$109.95
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Out of stock

Alpha AR-15 Lower Build Kit

Save 17%
MSRP: $119.99
$99.95
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Dirty Bird AR-15 Carbine Hogue Lower Build Kit Minus FCG

Save 13%
MSRP: $154.95
$134.95
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B5 Systems AR-15 Bravo Lower Build Kit

Save 12%
MSRP: $159.95
$139.99
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Out of stock

Cobra AR-15 Lower Build Kit

Save 21%
MSRP: $139.95
$109.95
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Hogue AR-15 Carbine Mil-Spec Lower Build Kit

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Out of stock

Aero Precision AR-15 Lower Build Kit

$129.99
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Out of stock

Magpul MOE Lower Build Kit – FDE

Save 7%
MSRP: $139.95
$129.95
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Rogers Super-Stoc Mil-Spec Lower Build Kit

Save 42%
MSRP: $154.95
Original price was: $144.95.Current price is: $89.95.
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Out of stock

Dirty Bird Carbine Hogue 2-Stage Lower Build Kit

Save 16%
MSRP: $244.95
$205.95
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BCMGUNFIGHTER MOD 0 Lower Build Kit

Save 4%
MSRP: $186.95
$179.95
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Out of stock

Black Fallout Lower Build Kit

Save 8%
MSRP: $239.95
$219.95
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Out of stock

Dirty Bird Odin Works Zulu Lower Build Kit

Save 10%
MSRP: $242.95
$217.95
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Out of stock

Dirty Bird LE Style 2-Stage Lower Build Kit

Save 11%
MSRP: $180.95
$160.95
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Strike Industries AR-15 Enhanced Lower Build Kit for .223/5.56 – Black

Save 5%
MSRP: $199.95
$189.95