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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 63459 posts
AR15 Lowers
SHARPS BROS THE JACK AR-15 – STRIPPED LOWER
$15 offOriginal price was: $289.95.$275.45Current price is: $275.45.
AR15 Uppers
SHARPS SBUR04 BILLET UPPER
$16 offOriginal price was: $229.95.$213.75Current price is: $213.75.
AR15 Lowers
Shield Arms SA-15-SLU SA-15 Stripped Lower Receiver Multi
$33 offOriginal price was: $330.00.$297.00Current price is: $297.00.
AR15 Lowers
Shield Arms SA-SA15FB SA-15 Complete Lower Receiver Multi
$7 offOriginal price was: $549.99.$542.99Current price is: $542.99.
Other AR15 Accessories & Parts
SI ULTRA LIGHT PIVOT/TAKEDOWN PINS FDE
$1 offOriginal price was: $16.95.$15.95Current price is: $15.95.
Other AR15 Accessories & Parts
SIG SAUER 320 AXG GRIP SET COY
$7 offOriginal price was: $49.99.$42.99Current price is: $42.99.
AR15 Uppers
SOLGW L89 BS V2 5.56 13.7″ HUX BLK
$69 offOriginal price was: $1,375.00.$1,306.25Current price is: $1,306.25.
AR15 Uppers
SOLGW L89 BS V2 5.56 13.7″ NOX BLK
$69 offOriginal price was: $1,375.00.$1,306.25Current price is: $1,306.25.
AR15 Uppers
SOLGW L89 V2 5.56 13.7″ NOX BLK
$50 offOriginal price was: $1,000.00.$950.00Current price is: $950.00.
AR15 Uppers
SOLGW M4-EXO3 13.7″ 5.56 URG
$43 offOriginal price was: $850.00.$807.50Current price is: $807.50.
AR15 Uppers
SOLGW PATROL SL 16″ 5.56 FSB URG
$35 offOriginal price was: $700.00.$665.00Current price is: $665.00.
AR15 Uppers
SPIKE’S 556 UPPER 14.5″PB RAIL/DYN
$101 offOriginal price was: $1,006.00.$905.40Current price is: $905.40.