A simple diagram of how a suppressor or silencer works. After firing there is a high-pressure of expanding gas from the propellant. The suppressor consists of a series of chambers, which captures the high-pressure gas, giving it space to cool and dissipate. Suppressor and silencers can reduce the noise signature by 2o to 40 decibels.
How to guide and walk-through guide for the ATF eForm 4 NFA Tax Stamp Application - ATF e5320.4 Application for Tax Paid Transfer and Registration of Firearm
JANUARY 2026 UPDATED VERSION
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We are ringing in a New Year. This year is extra special. Thanks to the One Big Beautiful Bill Act that was signed into law on July 4th, 2025, tax stamps are now free for making and transferring ...
The ATF is preparing the new eForm site to allow for the free tax stamps on transfers, making SBR's among other changes. New ATF eForm 1 and ATF eForm 4 applications are offline until January 1, 2...