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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 64903 posts
AR15 Stocks, Forends, Forearms
B5 SYSTEMS PRECISION STOCK
$12 offOriginal price was: $230.00.$218.50Current price is: $218.50.
AR15 Stocks, Forends, Forearms
B5 SYSTEMS PRECISION STOCK – COLLAPSIBLE LONG BLACK
$12 offOriginal price was: $230.00.$218.50Current price is: $218.50.
AR15 Uppers
BAD 16 UPPR AUTH ELITE 556 AMBI BLK
$41 offOriginal price was: $865.20.$824.00Current price is: $824.00.
AR15 Uppers
BAD 16 UPPR AUTH ELITE 556AMBI C BLK
$41 offOriginal price was: $865.20.$824.00Current price is: $824.00.
AR15 Uppers
BAD 16 UPPR WRKHORSE 556 AMBI BLK
$33 offOriginal price was: $692.98.$659.98Current price is: $659.98.
AR15 Bolts
BAD 556 AR15 BCG TITANIUM ARMORTI
$7 offOriginal price was: $450.00.$442.99Current price is: $442.99.
AR15 Parts
BAD BAD-ASS PRO AMBI SFTY SLCTR
$5 offOriginal price was: $45.00.$39.95Current price is: $39.95.
AR15 Barrels
BAD BATTLEARMS LTWHT 5.25″ 9MM BRRL
$4 offOriginal price was: $119.00.$114.99Current price is: $114.99.
AR15 Bolts
BAD M4/M16 STANDARD BCG
$10 offOriginal price was: $145.00.$135.00Current price is: $135.00.
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 GOVT – RIFLE BARREL 20″
$10 offOriginal price was: $195.00.$185.25Current price is: $185.25.
AR15 Barrels
BALLISTIC ADVANTAGE 5.56 M4 – CHROME LINED BARREL
$9 offOriginal price was: $180.00.$171.00Current price is: $171.00.
AR15 Uppers
BANTAM 9MM LUGER COMPLETE UPPER RECEIVER 10.5” TAPER
$43 offOriginal price was: $535.00.$492.20Current price is: $492.20.
Other AR15 Accessories & Parts
BATTLE ARMS AR-15 LIGHTWEIGHT – LOWER RECEIVER BILLET
$26 offOriginal price was: $345.00.$319.00Current price is: $319.00.
