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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 64904 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.
AR15 Stocks, Forends, Forearms
HOGUE AR15 STK MIL-SPEC RBR BLK
$9 offOriginal price was: $59.95.$50.96Current price is: $50.96.
AR15 Stocks, Forends, Forearms
HOGUE AR15 STK MIL-SPEC RBR DT
$10 offOriginal price was: $69.95.$59.46Current price is: $59.46.
AR15 Stocks, Forends, Forearms
HOGUE AR15 STK MIL-SPEC RBR OD
$10 offOriginal price was: $69.95.$59.46Current price is: $59.46.
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: $14.99.$13.87Current price is: $13.87.
Small AR15 Parts
KNS AR15 FIRING PIN RETAINING PIN
$2 offOriginal price was: $12.00.$10.00Current price is: $10.00.
Small AR15 Parts
KNS NON-ROT TRG/HMR PIN.154 G2
$2 offOriginal price was: $35.00.$32.99Current price is: $32.99.
Small AR15 Parts
KNS NON-ROT TRG/HMR PIN.154 G2 DE
$5 offOriginal price was: $40.00.$35.00Current price is: $35.00.
Small AR15 Parts
KNS NON-ROT TRG/HMR PIN.154 G2 M2 DE
$5 offOriginal price was: $40.00.$35.00Current price is: $35.00.