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AR15 Parts
Find everything you need to build, upgrade, or repair your AR-15 at ICB Firearms, located in St. Clair Shores, MI. We carry a full selection of AR parts, including barrels, buffer tubes, BCGs, charging handles, handguards, and trigger assemblies. Whether you’re upgrading your AR rifle for competition or outfitting a home defense build, we have you covered. Pair your components with AR magazines, gun scopes, and gear for the ultimate tactical setup. Be sure to browse the full rifle parts section for other compatible upgrades. Quality parts are essential for dependable performance, and our selection is designed for serious builders and shooters alike. Shop AR-15 parts today and start building with confidence.
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1 - 16 of 61786 posts
AR15 Uppers
CMMG 99B80E4AB Dissent 9mm Luger 10.50″, Left Side
$166 offOriginal price was: $1,349.95.$1,183.99Current price is: $1,183.99.
AR15 Uppers
CMMG BANSHEE MK4 UPPER GROUP 300BLK 12.5 BLK
$107 offOriginal price was: $874.95.$767.99Current price is: $767.99.
AR15 Uppers
CMMG BANSHEE MK4 UPPER GROUP 300BLK 8 BLK
$107 offOriginal price was: $874.95.$767.99Current price is: $767.99.
AR15 Barrels
CMMG BARREL W/BOLT KIT .45ACP
$56 offOriginal price was: $474.95.$418.99Current price is: $418.99.
AR15 Uppers
CMMG DISSENT MK4 UPPER GROUP 300BLK 10.5 BLK
$147 offOriginal price was: $1,199.95.$1,052.99Current price is: $1,052.99.
AR15 Uppers
CMMG DISSENT MK4 UPPER GROUP 5.56 10.5 BLK
$147 offOriginal price was: $1,199.95.$1,052.99Current price is: $1,052.99.
AR15 Uppers
CMMG DISSENT MK4 UPPER GROUP 5.56 16.1 BLK
$160 offOriginal price was: $1,299.95.$1,139.99Current price is: $1,139.99.
AR15 Uppers
CMMG DISSENT MK4 UPPER GROUP 5.56 6.5 BLK
$147 offOriginal price was: $1,199.95.$1,052.99Current price is: $1,052.99.
AR15 Uppers
CMMG DISSENT UPPER GROUP 9MM 16.1 BLK
$160 offOriginal price was: $1,299.95.$1,139.99Current price is: $1,139.99.
AR15 Uppers
CMMG DISSENT UPPER GROUP 9MM 6.5 BLK
$147 offOriginal price was: $1,199.95.$1,052.99Current price is: $1,052.99.
AR15 Uppers
CMMG UPPER RECEIVER AR15 – BANSHEE 9MM 5″
$113 offOriginal price was: $924.95.$811.99Current price is: $811.99.
