NFA Econo-Can STP Oil Filter Silencer / Suppressor
The Classic Oil Filer Silencer / Suppressor is shown off in this video and it works actually amazingly well. This attachment comes from Econo-Can. The Econo-Can is a Class 3 Item and does require a Tax Stamp from the ATF.
Other NFA Gun Trust and ATF Related Blog Posts
ATF eForm 5320.20 Walk-Through Guide
How to guide and walk-through guide for the ATF Form e5320.20 – ATF e5320.20 Application to Transport Interstate or to Temporarily Export Certain National Firearms Act (NFA) Firearms Step By Step W...
ATF Form 4 December 2025 Typo Explained
The new ATF December 2025 version of the ATF Form 4 has been released with many changes. But it seems that new 2025 version has a typo that might be confusing. The typo that could cause confusio...
ATF Recommends using the ATF 5320.20 Before Applying with the ATF eForm 4
On the new ATF eForm's site when applying for an ATF eForm 4, you will notice a new banner on the Transferor's page. If you have moved your NFA firearm and never have used the ATF 5320.20 to updat...