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.
Nbs Bare Bones Lower Build Kit Lower Build Kit Ar15Discounts Save 30%

NBS Bare Bones Lower Build Kit

NBS

$63.95
$44.95

Introducing the Lower Build Kit you didn't know you needed. The NBS Bare Bones Lower Build Kit. All of our other lower build kits, and many others ...

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$63.95
$44.95
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Discount Mil-Spec Lower Build Kit Lower Build Kit Ar15Discounts Sold out

Discount Mil-Spec Lower Build Kit

Trinity Force

$69.95
$59.95
13

This kit is a true bargain. All of the Mil-Spec components you need to finish your lower receiver.  ODIN Works 5.56/.223 Lower Parts Kit includes: ...

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$69.95
$59.95
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Omega Lower Build Kit W/ Odin Works Lpk Lower Build Kit Ar15Discounts Sold out

Omega Lower Build Kit w/ ODIN Works LPK

Anderson Manufacturing

$89.95
$69.95
10

ODIN Works Lower Parts KitMil-Spec Quality Complete Lower Parts Kit includes, Bolt Catch, Bolt Catch Plunger, Bolt Catch Roll Pin, Bolt Catch Sprin...

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$89.95
$69.95
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Anderson Mil-Spec Lower Build Kit Stainless (Black) Lower Build Kit Ar15Discounts Sold out

Anderson Mil-Spec Lower Build Kit

Anderson Manufacturing

from $79.95
22

Anderson Manufacturing AM-15 Buffer Tube / Receiver Extension Kit "“ Carbine Length Includes The Following: Mil Spec 7075-T6 Buffer Tube Kit 6 Pos...

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from $79.95
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Aero Precision Ar-15 Lower Build Kit Lower Build Kit Ar15Discounts Sold out

Aero Precision AR-15 Lower Build Kit

Aero Precision

$111.99
$99.95
5

Aero Precision Mil-Spec AR-15 Lower Parts Kit Aero Precision Mil-Spec AR-15 Lower Parts Kit A true, US made mil-spec AR-15 lower parts kit. Made of...

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$111.99
$99.95
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