Why is the Solvent Trap Gaining Popularity as an Affordable Suppressor Alternative?


In the world of gun accessories, solvent traps are becoming really popular, especially for reducing noise. As traditional suppressors get more expensive, gun lovers are looking for cheaper options, like using an Oil Filter Suppressor. This article talks about how the solvent trap became popular, what they do, and the legal stuff you need to know.

Solvent Trap: A Dual-Purpose Accessory

Solvent traps usually help clean gun barrels by catching and reusing cleaning fluids, which is good for the environment. But there’s more to them. People have found out that with some tweaks, these traps can also work as noise suppressors. This two-in-one use, plus being easy on the wallet, makes them really popular among gun fans.

The Cost Dynamics: suppressor

A regular suppressor can be pretty expensive, usually about $600, and that’s not counting the extra $200 tax. On the other hand, you can set up an oil filter suppressor, a kind of modified solvent trap, for around $255, tax included. This big price difference is really catching the eye of people who want a more affordable way to suppress gun noise.

Crafting an Oil Filter Suppressor

Crafting an Oil Filter Suppressor

Turning an oil filter into a suppressor involves a few steps:

  • Select an oil filter.
Obtain a threaded fitting compatible with the oil filter's mouth and a barrel adapter.
  • Obtain a threaded fitting compatible with the oil filter’s mouth and a barrel adapter.
  • Put on a muzzle brake adapter at the end of the gun’s barrel. This lets you easily attach the oil filter. 
1Pc Car Oil Filter Adapter 5/8-24 1/2-28 To 13/16-16 3/4-16 3/4 NPT Threaded For STP S3600 FRAM PH33600 NAPA 4003 WIX24003

For a visual guide on this process, here’s a video tutorial.

Legal Implications: oil filter suppressor

Making your own oil filter suppressor is cool, but you’ve got to know the laws. You need to do a few legal things first, like getting a special form (Form 1), passing background checks, and paying a $200 tax. Also, remember, that some states don’t allow you to have a suppressor at all. So, make sure you know and follow all the rules before you start this project.


What is a solvent trap?

A solvent trap is a firearm accessory designed to aid in the cleaning of firearm barrels by capturing and recycling solvents.

How does a solvent trap function as a suppressor?

With certain modifications, a solvent trap can double up as a suppressor, reducing the noise produced when firing a gun.

Is it legal to modify a solvent trap into a suppressor?

Yes, you can do it, but you need to follow some legal steps. First, get a special approval (Form 1), then go through background checks, and also pay a $200 tax.

Are there states where suppressors are illegal?

Yes, in some states, you can’t have suppressors. It’s really important to look up your state’s rules before you buy or make changes to a suppressor.

What is the cost difference between a standard suppressor and an oil filter suppressor?

A standard suppressor can cost around $600, excluding the $200 stamp tax. In contrast, an oil filter suppressor can be set up for approximately $255, including the stamp tax.


The solvent trap, with its dual functionality and affordability, has carved a niche for itself in the firearm accessory market. However, while its appeal is undeniable, it’s essential to approach this alternative with a well-informed perspective, considering both its advantages and the legal implications.

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