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Class 3 Parts & Accessories
ICB Firearms in St. Clair Shores, MI offers a full selection of Class 3 firearms and NFA items for enthusiasts seeking enhanced capabilities. Our collection includes legally regulated firearms like silencers, short-barreled rifles, and other NFA-compliant devices for tactical, hunting, or recreational use. We also carry Class 3 parts & accessories to upgrade or maintain your build. Whether you’re building out a custom suppressed rifle or adding an NFA device to your AR-15, you’ll find compatible components and gear. Don’t forget to explore rifles and optics to complete your setup. All Class 3 purchases require proper ATF approval—contact us for assistance navigating the process. Shop Class 3 firearms and own the most advanced platforms legally available.
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1 - 16 of 64545 posts
Class 3 Parts & Accessories
Dead Air DA150 XEMAX Muzzle Brake Black 5/8″-24
$19 offOriginal price was: $90.00.$70.99Current price is: $70.99.
Class 3 Parts & Accessories
Dead Air DA160 KeyMo Muzzle Brake .578″-28 Threads
$19 offOriginal price was: $90.00.$70.99Current price is: $70.99.
Class 3 Parts & Accessories
Dead Air DA320 KeyMo Zero 1/2″-28 Threads 30
$19 offOriginal price was: $90.00.$70.99Current price is: $70.99.
Class 3 Parts & Accessories
Dead Air DA322 KeyMo Zero .578″-28 Threads 45
$21 offOriginal price was: $90.00.$68.99Current price is: $68.99.
Class 3 Parts & Accessories
Dead Air DA323 KeyMo Zero 9/16″-24 Threads 30
$21 offOriginal price was: $90.00.$68.99Current price is: $68.99.
Class 3 Parts & Accessories
Dead Air DA417 Ghost Front Cap 45 STD
$29 offOriginal price was: $69.00.$40.00Current price is: $40.00.
Class 3 Parts & Accessories
Dead Air DA428 Key-Mo Adapter Black Adapter for
$50 offOriginal price was: $249.00.$199.00Current price is: $199.00.
Class 3 Parts & Accessories
Dead Air Direct Thread Mount w/HUB Compatible Products
$21 offOriginal price was: $89.00.$67.99Current price is: $67.99.
Class 3 Parts & Accessories
Dead Air Direct Thread Mount w/HUB Compatible Products
$21 offOriginal price was: $89.00.$67.99Current price is: $67.99.
Class 3 Parts & Accessories
DEAD AIR GHOST FIXED MOUNT 1/2X28
$24 offOriginal price was: $89.00.$64.99Current price is: $64.99.
Class 3 Parts & Accessories
DEAD AIR GHOST FIXED MOUNT 5/8X24
$25 offOriginal price was: $89.00.$63.99Current price is: $63.99.
Class 3 Parts & Accessories
DEAD AIR GHOST PISTON .578X28
$24 offOriginal price was: $89.00.$64.99Current price is: $64.99.
Class 3 Parts & Accessories
DEAD AIR GHOST PISTON 1/2X28
$24 offOriginal price was: $89.00.$64.99Current price is: $64.99.
Class 3 Parts & Accessories
DEAD AIR GHOST PISTON M16X1LH
$25 offOriginal price was: $89.00.$63.99Current price is: $63.99.
Class 3 Parts & Accessories
DEAD AIR GHOST/WOLFMAN BOOSTER ASSY
$40 offOriginal price was: $149.00.$108.99Current price is: $108.99.