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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Silencer Co

Class 3 Parts & Accessories
SilencerCo AC2608 3-Lug Muzzle Device M13.5x1LH Threads 45
$13 off
Original price was: $89.00.Current price is: $75.65.
Out of stock. Want to be notified?
Silencer Co

Class 3 Parts & Accessories
SilencerCo AC2631 ASR Muzzle Brake Black Nitride 3/4″x24
$14 off
Original price was: $94.00.Current price is: $79.90.
Out of stock. Want to be notified?
Silencer Co

Class 3 Parts & Accessories
SilencerCo AC4744 Charlie Direct Thread Mount Fits 9/16″x24
$15 off
Original price was: $99.00.Current price is: $84.15.
Out of stock. Want to be notified?
Silencer Co

Class 3 Parts & Accessories
SilencerCo AC5364 ASR Black Nitride 1/2″x28 Threads 30
$14 off
Original price was: $94.00.Current price is: $79.90.
Out of stock. Want to be notified?
SilencerCo

Class 3 Parts & Accessories
SILENCERCO ASR MUZZLE BRAKE 3/4X24
$14 off
Original price was: $94.00.Current price is: $79.90.
Out of stock. Want to be notified?
Silencer Co

Class 3 Parts & Accessories
SILENCERCO BRAVO FRONT CAP TITANIUM .223CAL
$17 off
Original price was: $114.00.Current price is: $96.90.
Out of stock. Want to be notified?
Silencer Co

Class 3 Parts & Accessories
SILENCERCO BRAVO PISTON MOUNT
$21 off
Original price was: $139.00.Current price is: $118.15.
Out of stock. Want to be notified?
Silencer Co

Class 3 Parts & Accessories
SILENCERCO CHARLIE FLASH HIDER FRONT CAP .30CAL
$73.99
Out of stock. Want to be notified?
Silencer Co

Class 3 Parts & Accessories
SilencerCo Piston .578 x 28 XL
$13 off
Original price was: $89.00.Current price is: $75.65.
Out of stock. Want to be notified?
Silencer Co

Class 3 Parts & Accessories
SILENCERCO PISTON 5/8X24
$13 off
Original price was: $89.00.Current price is: $75.65.
Out of stock. Want to be notified?
Silencer Co

Class 3 Parts & Accessories
SilencerCo Thread Protector 1/2×28
$4 off
Original price was: $24.00.Current price is: $20.40.
Out of stock. Want to be notified?
Modtac

Class 3 Parts & Accessories
SUPPRESSOR SHIELD W/U-RAC 6.5”X2” CARBON FIBER W/BK HARDWARE
$367.99
Out of stock. Want to be notified?
Modtac

Class 3 Parts & Accessories
SUPPRESSOR SHIELD W/U-RAC 6”X2” CARBON FIBER W/BLK HARDWARE
$394.99
Out of stock. Want to be notified?
Modtac

Class 3 Parts & Accessories
SUPPRESSOR SHIELD W/U-RAC 7”X2” CARBON FIBER W/BLK HARDWARE
$367.99
Out of stock. Want to be notified?
Surefire

Class 3 Parts & Accessories
SureFire SFMB7625824 SOCOM Muzzle Brake Black DLC Stainless
$17 off
Original price was: $169.00.Current price is: $152.00.
Out of stock. Want to be notified?
Walther Arms

Class 3 Parts & Accessories
WALTHER ARMS P22 THREADED BARREL ADAPTER
$3 off
Original price was: $39.00.Current price is: $35.99.
Out of stock. Want to be notified?