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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 63376 posts
AR15 Uppers
HK UPPER MR556A4 5.56 16.5″ BLK
$320 offOriginal price was: $2,499.00.$2,179.00Current price is: $2,179.00.
AR15 Uppers
HK UPPER RECEIVER KIT MR556A4 11
$320 offOriginal price was: $2,499.00.$2,179.00Current price is: $2,179.00.
Other AR15 Accessories & Parts
ISO TAB FOR STRIKE LATCHLESS CHARGING HANDLE BLACK
$1 offOriginal price was: $16.95.$15.95Current price is: $15.95.
AR15 Bolts
KAK CARRIER COMPLETION KIT CHROME
$2 offOriginal price was: $17.95.$15.99Current price is: $15.99.
Small AR15 Parts
KDG M-LOK 7 SLOT PIC RAIL BLK
$1 offOriginal price was: $11.98.$11.08Current price is: $11.08.
Small AR15 Parts
KNS NON-ROT TRG/HMR PIN.154 G2
$4 offOriginal price was: $33.00.$29.00Current price is: $29.00.
Small AR15 Parts
KNS NON-ROT TRG/HMR PIN.154 G2 DE
$3 offOriginal price was: $38.00.$35.00Current price is: $35.00.
Small AR15 Parts
KNS NON-ROT TRG/HMR PIN.154 G2 MOD2
$4 offOriginal price was: $33.00.$29.00Current price is: $29.00.