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

Showing 1–20 of 576 results

.920 BULL THREAD PROTECTOR 1/2-28 PLATED BLACK

$16.75
.920 BULL THREAD PROTECTOR 1/2-28 PLATED BLACK
Purchase & earn 17 points!Add to cart

Amend2 Hi Temp Suppressor Cover 1.5 in. Diameter 4.5 in. Length Black

$39.99
Amend2 Hi Temp Suppressor Cover 1.5 in. Diameter 4.5 in. Length Black
Purchase & earn 40 points!Add to cart

Amend2 Hi Temp Suppressor Cover 1.5 in. Diameter 6 in. Length Black

$39.99
Amend2 Hi Temp Suppressor Cover 1.5 in. Diameter 6 in. Length Black
Purchase & earn 40 points!Add to cart

Amend2 Hi Temp Suppressor Cover 1.5 in. Diameter 7.5 in. Length Black

$39.99
Amend2 Hi Temp Suppressor Cover 1.5 in. Diameter 7.5 in. Length Black
Purchase & earn 40 points!Add to cart

Area 419 Hellfire Suppressor Mount Adapter for Harvester 30 SS Nitride w Gen2 Wrench

$100.00
Area 419 Hellfire Suppressor Mount Adapter for Harvester 30 SS Nitride w Gen2 Wrench
Purchase & earn 100 points!Add to cart

Area 419 Hellfire Suppressor Mount Adapter for SilencerCo Omega SS Nitride with Gen2 Wrench

$100.00
Area 419 Hellfire Suppressor Mount Adapter for SilencerCo Omega SS Nitride with Gen2 Wrench
Purchase & earn 100 points!Add to cart

Area 419 SiCo Charlie/Saker Suppressor Mount Adapter with Wrench

$100.00
Area 419 SiCo Charlie/Saker Suppressor Mount Adapter with Wrench
Purchase & earn 100 points!Add to cart

Area 419 Sidewinder Suppressor Mount Adapter SilencerCo Omega with Wrench

$110.00
Area 419 Sidewinder Suppressor Mount Adapter SilencerCo Omega with Wrench
Purchase & earn 110 points!Add to cart

Area 419 TBAC BA Sidewinder Suppressor Mount Adapter 338 Ultra with Wrench

$120.00
Area 419 TBAC BA Sidewinder Suppressor Mount Adapter 338 Ultra with Wrench
Purchase & earn 120 points!Add to cart

Banish 5014 Devour Suppressor Cover 5.5″ Army Camo

$79.99
Banish 5014 Devour Suppressor Cover 5.5" Army Camo
Purchase & earn 80 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.