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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 61788 posts
AR15 Uppers
FAXON ARAK-21 7.62X39 16″ UPPER
$80 offOriginal price was: $999.00.$919.08Current price is: $919.08.
AR15 Uppers
FAXON ARAK-21 COMPLETE UPPER – RECEIVER 7.62X39 12.5″
$80 offOriginal price was: $999.00.$919.08Current price is: $919.08.
AR15 Barrels
Faxon Firearms 10B810R20FHQ5RNP3 Match Series 308 Win 20″
$28 offOriginal price was: $349.00.$321.08Current price is: $321.08.
AR15 Uppers
Faxon Firearms URFAXFAC338 Upper Receiver 338 ARC Aluminum
$10 offOriginal price was: $125.00.$115.00Current price is: $115.00.
AR15 Bolts
FAXON GEN 2 9MM PCC FULL-MASS BCG
$13 offOriginal price was: $165.00.$151.80Current price is: $151.80.
AR15 Uppers
Fightlite Industries MCR060M Duel Feed 5.56x45mm NATO 16.25″
$500 offOriginal price was: $6,399.99.$5,899.99Current price is: $5,899.99.
AR15 Uppers
Fightlite Industries MCR556DFRS 5.56x45mm NATO 12.50″ 7075-T6 Aluminum
$400 offOriginal price was: $6,999.99.$6,599.99Current price is: $6,599.99.
AR15 Uppers
FORTIS BILLET UPPER RECEIVER
$10 offOriginal price was: $199.95.$189.95Current price is: $189.95.
AR15 Stocks, Forends, Forearms
FORTIS LA STOCK W/BUFFER TUBE ODG
$20 offOriginal price was: $399.95.$379.95Current price is: $379.95.
AR15 Lowers
FRANKLIN ARMORY LIBERTAS BUILT – BINARY EQUIPPED LOWER
$68 offOriginal price was: $679.99.$611.99Current price is: $611.99.
AR15 Bolts
FZ 9mm Black Nitride AR9 Bolt Carrier Group
$32 offOriginal price was: $179.99.$147.99Current price is: $147.99.
AR15 Bolts
FZ AR15 BCG NO HAMMER MATTE
$33 offOriginal price was: $179.99.$146.99Current price is: $146.99.
AR15 Bolts
FZ M16/M4 BCG NO HAMMER BLK
$33 offOriginal price was: $179.99.$146.99Current price is: $146.99.