Class 3 parts and accessories in Porter, Indiana from Great Lake Firearms. NFA-compatible mounts, hardware, and fittings. Shop online today.

SUPPRESSOR SHIELD W/U-RAC 6”X2” CARBON FIBER W/BLK HARDWARE

$395.00
SUPPRESSOR SHIELD W/U-RAC 6''X2'' CARBON FIBER W/BLK HARDWARE
Purchase & earn 395 points!Read more

SUPPRESSOR SHIELD W/U-RAC 6.5”X2” CARBON FIBER W/BK HARDWARE

$367.00
SUPPRESSOR SHIELD W/U-RAC 6.5''X2'' CARBON FIBER W/BK HARDWARE
Purchase & earn 367 points!Read more

SUPPRESSOR SHIELD W/U-RAC 7”X2” CARBON FIBER W/BLK HARDWARE

$367.00
SUPPRESSOR SHIELD W/U-RAC 7''X2'' CARBON FIBER W/BLK HARDWARE
Purchase & earn 367 points!Add to cart

FAST-ATTACH HUB 5.56MM 1-3/8X24 THREAD SOCOM MUZZLE DEVICES

$314.00
FAST-ATTACH HUB 5.56MM 1-3/8X24 THREAD SOCOM MUZZLE DEVICES
Purchase & earn 314 points!Add to cart

FAST-ATTACH HUB 7.62MM 1-3/8X24 THREAD SOCOM MUZZLE DEVICES

$314.00
FAST-ATTACH HUB 7.62MM 1-3/8X24 THREAD SOCOM MUZZLE DEVICES
Purchase & earn 314 points!Add to cart

Dead Air Pyro 2.0 Enhanced Muzzle Brake with Adapter and Shroud

$299.00
Dead Air Pyro 2.0 Enhanced Muzzle Brake with Adapter and Shroud
Purchase & earn 299 points!Add to cart

DEAD AIR P-SERIES PYRO 2.0 W/ SD500 BOOSTER & 45CAL FRONT CAP

$299.00
DEAD AIR P-SERIES PYRO 2.0 W/ SD500 BOOSTER & 45CAL FRONT CAP
Purchase & earn 299 points!Add to cart

DEAD AIR P-SERIES PYRO 2.0 W/ DA451 KEYMICRO ADAPTER & 45CAL FRONT CAP

$299.00
DEAD AIR P-SERIES PYRO 2.0 W/ DA451 KEYMICRO ADAPTER & 45CAL FRONT CAP
Purchase & earn 299 points!Add to cart

DEAD AIR BLAST SHROUD W/ DA429 KEYMO ADAPTER 1-3/8-32

$269.00
DEAD AIR BLAST SHROUD W/ DA429 KEYMO ADAPTER 1-3/8-32
Purchase & earn 269 points!Add to cart

DEAD AIR BLAST SHROUD W/ DA452 KEYMICRO ADAPTER 1-1/8-28

$269.00
DEAD AIR BLAST SHROUD W/ DA452 KEYMICRO ADAPTER 1-1/8-28
Purchase & earn 269 points!Add to cart

DEAD AIR P-SERIES PYRO 2.0 W/ DA457 XENO ADAPTER & 45CAL FRONT CAP

$239.00
DEAD AIR P-SERIES PYRO 2.0 W/ DA457 XENO ADAPTER & 45CAL FRONT CAP
Purchase & earn 239 points!Add to cart

Rugged Universal Mount R.U.M. 1.375×24 Titanium

$200.00
Rugged Universal Mount R.U.M. 1.375x24 Titanium
Purchase & earn 200 points!Add to cart

KEY-MO ADAPTER FOR SILENCERCO SAKER SUPPRESSOR

$199.00
KEY-MO ADAPTER FOR SILENCERCO SAKER SUPPRESSOR
Purchase & earn 199 points!Add to cart

KEY-MO ADAPTER FOR SILENCERCO OMEGA SUPPRESSOR

$199.00
KEY-MO ADAPTER FOR SILENCERCO OMEGA SUPPRESSOR
Purchase & earn 199 points!Add to cart

Dead Air KeyMico Legacy Adapter (Silencer Co Rugged etc.)

$199.00
Dead Air KeyMico Legacy Adapter (Silencer Co Rugged etc.)
Purchase & earn 199 points!Add to cart

Dead Air KeyMo Mount for Silencerco Saker & Chimera

$199.00
Dead Air KeyMo Mount for Silencerco Saker & Chimera
Purchase & earn 199 points!Add to cart

Dead Air KeyMicro Adapter for P-Series (Ghost-M / Wolf 9SD / Wolfman)

$199.00
Dead Air KeyMicro Adapter for P-Series (Ghost-M / Wolf 9SD / Wolfman)
Purchase & earn 199 points!Add to cart

Great Lake Firearms carries Class 3 parts and accessories for customers in Porter, Indiana who need NFA-compliant components. Find mounting hardware, end caps, mounts, and approved fittings to support suppressed builds and regulated setups. Pair these items with AR15 Parts or Gun Parts Kits when assembling compliant systems. For related gear, check AR Upper Parts and Optics to complete a legal, functional package. We help you find the right components and guide you toward compliant, high-quality builds. Shop Class 3 parts online today.