Why It’s Important to Clean Your Suppressor

Suppressors are designed to reduce sound and muzzle blast, but there’s an unavoidable side effect: they also capture a significant amount of the carbon, powder residue and other fouling produced when a firearm is fired.

Over time, that buildup can accumulate inside the suppressor and on its internal components. Regular suppressor maintenance is therefore an important part of responsible firearm care—and with the right tools, it doesn’t have to be difficult.

Why Do Suppressors Get So Dirty?

When a firearm is fired, expanding gases and combustion byproducts travel down the barrel and into the suppressor. The suppressor's internal design slows and redirects those gases, helping reduce sound and muzzle blast while also allowing some of the fouling to collect inside.

How quickly a suppressor gets dirty depends on several factors, including the caliber, ammunition, firearm, suppressor design and how frequently it is fired.

Rimfire ammunition is particularly well known for producing significant fouling, making regular cleaning especially important for rimfire suppressors.

How Often Should You Clean Your Suppressor?

There isn't a single cleaning interval that applies to every suppressor. Always follow the maintenance recommendations provided by your suppressor manufacturer.

As a general guideline, Otis Technology recommends cleaning:

• Rimfire suppressors: Every 350–500 rounds
• Centerfire suppressors: Every 1,000–2,000 rounds

Your actual cleaning schedule may need to vary depending on how you use your suppressor. Heavy use, particularly with rimfire ammunition, can result in considerably more fouling than occasional centerfire use.

When in doubt, consult your suppressor manufacturer's owner's manual before disassembly or cleaning.

Why Regular Suppressor Cleaning Matters

Control Carbon Fouling

Carbon and combustion residue can build up inside a suppressor with repeated use. Regular cleaning helps remove much of that accumulated fouling before it becomes increasingly difficult to remove.

Inspect Your Suppressor

Cleaning also gives you an opportunity to inspect the suppressor and its components. Look for unusual wear, damage or other issues and follow the manufacturer's instructions regarding disassembly and maintenance.

Make Maintenance Easier

A suppressor that is cleaned regularly is generally easier to maintain than one that has been allowed to accumulate heavy fouling for an extended period. Establishing a routine can make suppressor maintenance a much more manageable task.

Protect Your Investment

Suppressors are a significant investment. Following the manufacturer's maintenance recommendations and keeping your suppressor properly maintained is a simple way to take care of your equipment for the long term.

The Otis Technology Suppressor Cleaning Kit

Cleaning a suppressor shouldn't require assembling a collection of different brushes, containers and cleaning products. The Otis Technology Suppressor Cleaning Kit was designed to put the essential tools for suppressor maintenance together in one convenient system.

Shop the Otis Suppressor Cleaning Kit

The kit includes a large soaking container that accommodates suppressors up to 12 inches, 16 ounces of Suppressor Cleaner Concentrate, a nylon baffle cleaning brush, bronze, nylon and stainless-steel cleaning brushes, a microfiber cloth, nitrile gloves and Shooter's Choice FP-10 Lubricant Elite CLP.

The cleaning process is simple:

Soak. Scrub. Rinse. Dry. Lubricate.

The included 16-ounce bottle of Suppressor Cleaner Concentrate is mixed with warm or hot water at a 1:1 ratio to create 32 ounces of cleaning solution. The biodegradable formula is non-toxic, non-flammable and non-hazardous and is designed to remove most carbon fouling and buildup from suppressors.

Need More Cleaning Solution?

If you already own the Otis Suppressor Cleaning Kit, additional cleaning solution is available separately.

Shop Otis Suppressor Cleaning Fluid Concentrate

The concentrate is available separately so you can keep your suppressor cleaning setup ready for the next maintenance session.

What Are Influencers Saying About the Otis Suppressor Cleaning Kit?

One of the most useful ways to evaluate a cleaning product is to see it put to work. YouTuber Sootch00 tested the Otis Suppressor Cleaning Kit in a dedicated video review

In the video, Sootch00 demonstrates the Otis kit and shows the cleaning process and results rather than simply discussing the product's specifications. His review describes the Otis Suppressor Cleaning Kit as a non-toxic, biodegradable cleaning solution that provides the tools needed to clean a suppressor, and the video includes actual results from using the kit.

Curt Halstrom of VSO Gun Channel has also put the Otis Suppressor Cleaning Kit to use in his content. His video provides another real-world look at the kit being used for suppressor maintenance.

Watch Curt Halstrom Use the Otis Suppressor Cleaning Kit

VSO Gun Channel has covered a wide range of firearm maintenance and shooting-related topics, making Halstrom's use of the Otis kit another example of the product being put through its paces by an experienced firearms content creator.

What Other Industry Reviewers Are Saying

The Otis Suppressor Cleaning Kit has also received coverage from firearms media.

GAT Daily's Tim Stetzer tested the kit firsthand and described it as a "one-stop cleaning solution," highlighting the fact that the kit combines the soaking container, cleaning concentrate, brushes, lubricant, cloth and gloves into one package. His review also references the Otis-recommended 350–500-round interval for rimfire suppressors and 1,000–2,000 rounds for centerfire suppressors.

Independent customer feedback has also highlighted the kit's ease of use. A verified buyer review published in April 2026 reported using the kit to clean an older .22 suppressor and described the results as leaving the suppressor "clean and almost NEW."

Make Suppressor Cleaning Part of Your Routine

Suppressor maintenance doesn't need to be complicated. The most important thing is establishing a routine and following the cleaning recommendations provided by your suppressor manufacturer.

Otis recommended cleaning interval: clean rimfire suppressors every 350–500 rounds and centerfire suppressors every 1,000–2,000 rounds.

When it's time to clean, the Otis Suppressor Cleaning Kit provides a dedicated system for soaking, scrubbing and removing carbon fouling, with the tools and cleaning solution you need in one convenient package.

Shop the Otis Suppressor Cleaning Kit

Otis Technology — Smart Gun Care