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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 63434 posts
AR15 Uppers
Patriot Ordnance Factory Minuteman Complete Upper 5.56x45mm NATO
$62 offOriginal price was: $1,102.00.$1,040.00Current price is: $1,040.00.
AR15 Uppers
Patriot Ordnance Factory Minuteman Complete Upper 5.56x45mm NATO
$62 offOriginal price was: $1,102.00.$1,040.00Current price is: $1,040.00.
AR15 Uppers
Patriot Ordnance Factory Renegade + Complete Upper 5.56x45mm
$71 offOriginal price was: $1,263.00.$1,192.00Current price is: $1,192.00.
AR15 Lowers
Patriot Ordnance Factory 00626 P-415 Hardcoat Anodized
$20 offOriginal price was: $349.00.$329.00Current price is: $329.00.
AR15 Uppers
Patriot Ordnance Factory 01269 P415 Complete Upper (Piston
$80 offOriginal price was: $1,439.00.$1,359.00Current price is: $1,359.00.
Other AR15 Accessories & Parts
POF UPPER COMPLETE 415 EDGE 10.5 5.56 BRZ
$86 offOriginal price was: $1,528.00.$1,442.00Current price is: $1,442.00.
AR15 Uppers
POF UPPER COMPLETE 415 EDGE 16 5.56 BRZ
$86 offOriginal price was: $1,528.00.$1,442.00Current price is: $1,442.00.
Other AR15 Accessories & Parts
POF USA MUZZLE BRAKE 223/5.56 1/2X28
$5 offOriginal price was: $62.00.$57.00Current price is: $57.00.
AR15 Uppers
POF USA P-415 EDGE UPPER 300BLK 10.5″
$80 offOriginal price was: $1,439.00.$1,359.00Current price is: $1,359.00.
AR15 Uppers
POF USA P-415 EDGE UPPER 5.56 16.5″ BK
$80 offOriginal price was: $1,439.00.$1,359.00Current price is: $1,359.00.
AR15 Uppers
POF USA RENEGADE+ UPPER 300BLK 10.5″
$71 offOriginal price was: $1,263.00.$1,192.00Current price is: $1,192.00.