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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 53703 posts
Class 3 Parts & Accessories
DEAD AIR THRD ADPTR WLTHR P22 1/2X28
$9 offOriginal price was: $45.00.$36.00Current price is: $36.00.
Class 3 Parts & Accessories
DEAD AIR WLVRN THRD INSRT 1/2X28
$28 offOriginal price was: $89.00.$61.00Current price is: $61.00.
Class 3 Parts & Accessories
DEAD AIR WLVRN THRD INSRT 24MM RH LG
$28 offOriginal price was: $89.00.$61.00Current price is: $61.00.
Class 3 Parts & Accessories
Dead Air Wolverine PBS-1 Thread Insert 14x1mm LH
$28 offOriginal price was: $89.00.$61.00Current price is: $61.00.
Class 3 Parts & Accessories
Dead Air Wolverine PBS-1 Thread Insert 24mm RH
$28 offOriginal price was: $89.00.$61.00Current price is: $61.00.
Class 3 Parts & Accessories
Dead Air Wolverine Thread Insert .35 Cal. 14x1LH
$28 offOriginal price was: $89.00.$61.00Current price is: $61.00.
Class 3 Parts & Accessories
DEAD AIR XEMAX BRAKE 3/4X24 .338CAL
$23 offOriginal price was: $90.00.$67.00Current price is: $67.00.
Class 3 Parts & Accessories
DEAD AIR XEMAX BRAKE M18X1 .338CAL
$33 offOriginal price was: $90.00.$57.00Current price is: $57.00.
Class 3 Parts & Accessories
DEAD AIR XEMAX HUB PATTERN 3/8X24
$41 offOriginal price was: $140.00.$99.00Current price is: $99.00.
Class 3 Parts & Accessories
Dead Air Xeno Adapter for HUB Based Silencers
$40 offOriginal price was: $139.00.$99.00Current price is: $99.00.
Class 3 Parts & Accessories
DEAD AIR XENO BRAKE 1/2X28
$22 offOriginal price was: $89.00.$67.00Current price is: $67.00.
Class 3 Parts & Accessories
Dead Air Xeno Flash Hider 5/8-24 Thread
$22 offOriginal price was: $89.00.$67.00Current price is: $67.00.
Class 3 Parts & Accessories
Dead Air Xeno Mount Omni Brake 5/8×24 Thread
$22 offOriginal price was: $89.00.$67.00Current price is: $67.00.
Class 3 Parts & Accessories
Dead Air Xeno Pistol Wee Brake .38 Cal.
$22 offOriginal price was: $89.00.$67.00Current price is: $67.00.
Class 3 Parts & Accessories
Dead Air Xeno Pistol Wee Brake M13.5x1LH
$22 offOriginal price was: $89.00.$67.00Current price is: $67.00.