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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
Small AR15 Parts
KNS NON-ROT TRG/HMR PIN.154 G2 MOD2
$2 offOriginal price was: $35.00.$32.99Current price is: $32.99.
Small AR15 Parts
KNS NON-ROT TRG/HMR PIN.1555 G2
$2 offOriginal price was: $35.00.$32.99Current price is: $32.99.
AR15 Bolts
LANTAC 556 ENHANCED BCG NICKEL BORON
$38 offOriginal price was: $299.99.$261.99Current price is: $261.99.
Small AR15 Parts
LANTAC AR FIELD REPAIR KIT
$1 offOriginal price was: $19.99.$18.99Current price is: $18.99.
Other AR15 Accessories & Parts
LANTAC AR15 GAS TUBE INT LENGTH
$2 offOriginal price was: $24.99.$22.99Current price is: $22.99.
AR15 Lowers
LANTAC N15 BILLET LOWER – RECEIVER
$29 offOriginal price was: $290.99.$261.99Current price is: $261.99.
AR15 Lowers
LANTAC N15 RAVEN SIDE CHARGE – BILLET UPPER
$51 offOriginal price was: $505.98.$455.38Current price is: $455.38.
AR15 Uppers
LANTAC RECON UPPER 223 WYLDE 16″
$132 offOriginal price was: $1,322.99.$1,190.99Current price is: $1,190.99.
AR15 Uppers
LANTAC USR FORGED UPPER RECEIVER BLK
$10 offOriginal price was: $149.99.$139.99Current price is: $139.99.
Other AR15 Accessories & Parts
LBE AR A1/A2 FRONT SIGHT TOOL
$2 offOriginal price was: $12.99.$10.99Current price is: $10.99.
AR15 Uppers
LBE Unlimited AR125RBK Ready Build Kit 12.5″
$93 offOriginal price was: $615.00.$521.99Current price is: $521.99.
AR15 Uppers
LBE Unlimited AR137RBK Ready Build Kit 13.7″
$93 offOriginal price was: $615.00.$521.99Current price is: $521.99.
AR15 Uppers
LBE Unlimited AR145RBK Ready Build Kit 14.5″
$93 offOriginal price was: $615.00.$521.99Current price is: $521.99.
