AR15 Parts
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Parts for AR-15 rifles across the upper and lower — service components, springs, pins, and replacement assemblies. Mil-spec dimensions mean most parts interchange between makers, though not all do.
Our AR-15 buying guide covers which parts matter to how the rifle runs.
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CMC 92702 AR15/AR10 2STG TRIGGER 2LB SET/2LB REL
$199.90 -
CMC ANTI-WALK PIN SET SMALL PINS
$13.50 -
CMC TRIGGER ANTI-WALK PIN SET – AR-15 SMALL PINS
$13.50 -
CMC TRIGGER ANTI-WALK PIN SET – S&W M&P15/AR15 POLYMER LOWERS
$13.50 -
CMMG 22B5BD4AB Banshee MK4 22 LR 4.50″, Armor Black, M-LOK Free-Float Handguard for AR-Platform
$654.00 -
CMMG 28B260CCT Resolute 22 ARC 16.10″ 7075-T6 Aluminum 15″ M-LOK Handguard
$840.00 -
CMMG 28B260CMB Resolute 22 ARC 16.10″ 7075-T6 Aluminum 15″ M-LOK Handguard
$840.00 -
CMMG 28B940CCG Dissent 22 ARC 16.10″
$1,270.00 -
CMMG 28B940CSG Dissent 22 ARC 16.10″ 6061-T6 Aluminum
$1,187.00 -
CMMG 28B940CTI Dissent 22 ARC 16.10″ 6061-T6 Aluminum
$1,187.00 -
CMMG 28B940CTNG Dissent 22 ARC 16.10″ 6061-T6 Aluminum
$1,187.00 -
CMMG 30B0E67AB Dissent MK4 300 Blackout 6.50″, Left Side Charging Handle, Armor Black, Zeroed Linear Comp, 4.60″ M-LOK Handguard, Picatinny End Plate, Fits AR-Platform
$1,237.00 -
CMMG 30BC239AB Dissent MK4 300 Blackout 10.50″, Left Side Charging Handle, Armor Black, Zeroed Linear Comp, 9.60″ M-LOK Handguard, Picatinny End Plate, Fits AR-Platform
$1,237.00 -
CMMG 30D120A Barrel Sub-Assembly 300 Blackout 16.10″ Black Nitride Finish 4140 Chromoly Steel Material Carbine Length with Medium Taper Profile for AR-15
$194.00 -
CMMG 30DF80A Barrel Sub-Assembly 300 Blackout 16.10″ Black Nitride Finish 4140 Chromoly Steel Material Carbine Length with Multi Role Profile for AR-15
$194.00 -
CMMG 35B5FBCAB Resolute MK4 350 Legend 16.10″, Armor Black, M-LOK Free-Float Handguard for AR-Platform
$840.00