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 & Craftmanship
- 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 ensure 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.
