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 61790 posts
AR15 Uppers
BAD 16 UPPR WRKHORSE 556 AMBI C BLK
$33 offOriginal price was: $692.98.$659.98Current price is: $659.98.
AR15 Parts
BAD BAD-ASS PRO AMBI SFTY SLCTR
$5 offOriginal price was: $45.00.$39.95Current price is: $39.95.
Small AR15 Parts
BAD MAG RELEASE KIT MOD1 BLK
$3 offOriginal price was: $19.00.$15.95Current price is: $15.95.
Other AR15 Accessories & Parts
BAD MLOK QD SLING MOUNT BLACK
$2 offOriginal price was: $14.95.$12.95Current price is: $12.95.
AR15 Barrels
BALLISTIC ADVANTAGE 5.56 M4 – CHROME LINED BARREL
$9 offOriginal price was: $180.00.$171.00Current price is: $171.00.
AR15 Uppers
BALLISTIC BA ENHCD AR 15 UPPR RCVR
$15 offOriginal price was: $175.00.$159.99Current price is: $159.99.
Other AR15 Accessories & Parts
BATTLE ARMS AR-15 LIGHTWEIGHT – LOWER RECEIVER BILLET
$26 offOriginal price was: $345.00.$319.00Current price is: $319.00.
AR15 Lowers
BATTLE ARMS AR9 FOR GLOCK 9MM – LOWER
$50 offOriginal price was: $289.00.$239.00Current price is: $239.00.
AR15 Uppers
BATTLE ARMS AR9 PISTOL CALIBER
$21 offOriginal price was: $259.95.$239.00Current price is: $239.00.
AR15 Lowers
BCM LOWER GROUP PISTOL AR-15 – 5.56MM W/PISTOL
$75 offOriginal price was: $600.00.$525.00Current price is: $525.00.
AR15 Uppers
BCM UPPER RECEIVER ASSEMBLY – AR-15 BCG NOT
$32 offOriginal price was: $161.00.$129.00Current price is: $129.00.
Other AR15 Accessories & Parts
BCMGUNFIGHTER Compensator MOD 4 – 5.56
$10 offOriginal price was: $100.00.$89.95Current price is: $89.95.
















