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 56 posts
AR15 Uppers
LUTH AR STRIPPED A2 UPPER BLACK
$7 offOriginal price was: $109.95.$103.35Current price is: $103.35.
Small AR15 Parts
LUTH AR TAKEDOWN PIN DETENT W/SPG 10
$1 offOriginal price was: $20.49.$19.26Current price is: $19.26.
AR15 Uppers
M4E1 5.56 ASSEMBLD UPPER M4 16” BBL MID-LENGTH
$65 offOriginal price was: $655.00.$589.99Current price is: $589.99.
AR15 Lowers
M4E1 STRIPPED LOWER RECEIVER FOR AR-15 BLACK
$15 offOriginal price was: $155.00.$139.99Current price is: $139.99.
AR15 Uppers
M5 (.308) ASSEMBLED UPPER RECEIVER THREADED KODIAK BROWN
$25 offOriginal price was: $180.00.$154.99Current price is: $154.99.
AR15 Uppers
M5 (.308) STRIPPED UPPER RECEIVER THREADED BLACK
$20 offOriginal price was: $190.00.$169.99Current price is: $169.99.
AR15 Barrels
MATCH 300BLK 9” 1-8 TWIST GUNNER CONTOUR SS
$15 offOriginal price was: $185.00.$170.20Current price is: $170.20.
AR15 Uppers
MCR DUAL-FEED UPPER MLOK DRY FILM
$400 offOriginal price was: $6,999.99.$6,599.99Current price is: $6,599.99.
















