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Lower Receiver Parts

AR-15 Lower Receiver Parts Kits | Buffer Tube | Captured Spring

Customize your weapon and build your own lower receiver parts kit by a selecting lower receiver part from our store. We have lower receiver parts available for the AR pistol, AR-15, AR-308, HK MR, and Tavor. To make the process of finding parts efficient and easier, use our filter system. You can use our filter system to find a part from different manufacturers. You can select more than one lower receiver parts. We have a large selection of parts available in our store to list them all. To give you an idea on the type of lower receiver part you can find here, you can order a buffer, castle nut, catches/releases, detent, end plate, disconnector, fire control, grip part, and several other lower receiver parts. You can also narrow down your selection by choosing between a single stage or two stage trigger, curved or flat trigger style, and drop in or standard install trigger setup. You can even select from a variety of different colors. Since quality is one of the most important aspects you look for in a part for your weapon, we bring you lower receiver parts from reputable brands known for manufacturing durable parts for a variety of different weapons.

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275 products found.

DSG AR15/308 Magazine Catch Button

DSG-4201-0005

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$5.00

Aero Precision M5 .308 Extended Magazine Catch Button

APARH308185

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$5.00

Armalite Carbine Buffer Spring

ARMEC0040

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$4.50

Wolff XP Hammer Spring M4/M16/AR15

WOL30095

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$4.00

CMC Single Stage 3-3.5lb Flat Trigger Group Small Pin

CMC91503

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$167.99

DSG AR Disconnector Spring

DSG-4202-0009

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$0.70

MAGPUL Enhanced Aluminum Trigger Guard

MAG015-BLK

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$18.95

Kleenbore Shooter's AIDS ACCU-WEDGE

SAFACU1

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$4.77

ALG Defense Combat Trigger - ACT

ALGACT

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$65.00

Noveske Takedown and Pivot Pin Set

NOV05000152

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$14.95

ALG Defense Quality Mil-Spec Trigger - QMS

ALGQMS

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$45.00

Armalite 6 Position Milspec Buffer Tube

ARM15207020

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$25.50