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 Bolts
LANTAC M-SPEC BCG 223/556 BLK NITRIDE
$20 offOriginal price was: $219.99.$199.99Current price is: $199.99.
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 Bolts
LBE 556 BOLT CARRIER GROUP NIB
$33 offOriginal price was: $169.99.$136.99Current price is: $136.99.
Other AR15 Accessories & Parts
LBE AR A1/A2 FRONT SIGHT TOOL
$2 offOriginal price was: $12.99.$10.99Current price is: $10.99.
AR15 Bolts
LBE AR BOLT CARRIER GROUP
$38 offOriginal price was: $169.99.$131.99Current price is: $131.99.
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.
AR15 Uppers
LBE Unlimited AR75RBK Ready Build Kit 7.5″
$108 offOriginal price was: $560.00.$451.99Current price is: $451.99.
Other AR15 Accessories & Parts
LBE Unlimited ARPSTL AR Pencil Sight Tool AR-15
$1 offOriginal price was: $12.99.$11.99Current price is: $11.99.
AR15 Uppers
LBE Unlimited ARUPPER Upper Receiver 5.56x45mm NATO 7075-T6
$14 offOriginal price was: $129.99.$115.99Current price is: $115.99.
















