Microtech's SOT Capabilities

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SOT Certification

The Special Occupational Tax (SOT) certification authorizes Microtech Welding to manufacture suppressors and other NFA items. With Class 2 SOT certification, Microtech manufactures these specialized firearms components in compliance with ATF regulations.

Materials & Craftsmanship

  • Welding expertise with titanium, stainless steel, and specialized alloys
  • AWS D17.1 certified welders
  • 25+ years of precision welding experience

Technical Advantage

  • Laser and Micro TIG welding ensures precise joins
  • In-house metal sectioning lab
  • Clean, laboratory-grade environment
  • ISO 9001:2015 and ISO 13485:2016 certified quality systems

Additional NFA Services

The SOT certification enables Microtech to manufacture short-barreled rifles and other NFA items beyond suppressors.  Precision welding capabilities are particularly valuable for critical components requiring exacting tolerances and durability under extreme conditions.  The same medical-grade quality standards apply to every firearm component produced.

With extensive specialized welding experience and the team's combined 200+ years of welding expertise, Microtech delivers exceptional quality for NFA projects while ensuring full compliance with federal regulations.

Learn More

Interested in working with our SOT-certified team?  Contact us to discuss your suppressor manufacturing requirements.