No products in the cart.
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.
Filters
Categories
Brands
Model
Price range
Action
Model Fit
Caliber
Capacity
Grains Weight
Length
Shot Size
Casing Material
Barrel Length
Sights
Mount type
Power
Reticle
1 - 16 of 61788 posts
AR15 Uppers
Rock River Arms BB0470 LAR-15M RRAGE 3G Complete
$92 offOriginal price was: $540.00.$447.99Current price is: $447.99.
Other AR15 Accessories & Parts
RRA BOLT CARRIER GROUP 5.56X45 – PHOSPHHATE FULL
$14 offOriginal price was: $168.00.$153.99Current price is: $153.99.
AR15 Uppers
RRA CMP COYOTE CAR A4 UPR 300BLK 16″
$55 offOriginal price was: $820.00.$764.99Current price is: $764.99.
AR15 Uppers
SANTAN STT-15 PILLAR UPPER RECEIVER
$4 offOriginal price was: $210.00.$206.50Current price is: $206.50.
Other AR15 Accessories & Parts
SHADOW SYSTEMS MR/DR/XR ROUND – TIP FIRING PIN
$6 offOriginal price was: $44.00.$37.76Current price is: $37.76.
AR15 Lowers
SHARPS BROS HELLBREAKER AR-15 – STRIPPED LOWER RECEIVER
$15 offOriginal price was: $289.95.$275.45Current price is: $275.45.
AR15 Lowers
SHARPS BROS LIVEWIRE AR-15 – STRIPPED LOWER RECEIVER
$8 offOriginal price was: $157.84.$149.95Current price is: $149.95.
AR15 Lowers
Sharps Bros SBLR07 Overthrow Stripped Lower Multi-Caliber Black
$14 offOriginal price was: $279.95.$265.95Current price is: $265.95.
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.
