PFAS in Gun Lubricants: Safer Firearm Maintenance Options

If you have been swapping out nonstick pans and filtering your water, you might not have thought to check the cleaning products in your gun safe. Many popular firearm lubricants contain PTFE (polytetrafluoroethylene), a member of the PFAS family of forever chemicals. Every time you clean and oil a firearm, you are handling these compounds with your bare hands, sometimes for long sessions in poorly ventilated spaces.

Luckily, there are effective gun oils and CLPs that skip PTFE entirely. The switch is easier than you would expect.

For more on PFAS-free living, see our guide to PFAS free gardening supplies and PFAS free silicone cookware.

What’s Inside

• Why PTFE in gun oil matters for your health
• Which gun cleaning products contain PFAS
• PFAS-free gun lubricants that actually work
• How to reduce PFAS exposure during firearm maintenance

Why PTFE in gun oil matters for your health

You probably already know PTFE as the stuff behind the nonstick coating on those old Teflon pans we all got rid of. Same chemical family. When PTFE shows up in gun lubricants, it is marketed as a friction-reducing additive. The idea is that tiny PTFE particles fill in microscopic scratches on metal surfaces and create a slicker action.

The problem is exposure. When you apply gun oil, clean a bore, or rub down a slide, you are getting this stuff on your skin. PFAS absorb through the skin, and research published in Environmental Research has confirmed that household product exposure contributes meaningfully to your total PFAS body burden. These chemicals accumulate faster than the body can clear them, so every little exposure adds to the pile.

Heating is another concern. When you fire a lubricated firearm, the PTFE in the oil gets hot. At elevated temperatures, PFAS compounds can off-gas, and breathing those fumes at an indoor range is not ideal. Outdoor shooters get better ventilation, but the skin contact issue remains regardless.

Which gun cleaning products contain PFAS

Most gun oil labels do not say “contains PFAS.” You have to know the chemical aliases. On the ingredients or marketing copy, watch for “PTFE-enhanced,” “Teflon-infused,” “fluoropolymer additive,” or “contains polytetrafluoroethylene.” Any of those mean PFAS is in the bottle.

Traditional CLP (Cleaner, Lubricant, Protectant) formulas have historically relied on PTFE as a key performance ingredient. If a product advertises that it leaves a “dry film” or “microscopic coating” on metal surfaces, that coating is often PTFE.

Some gun greases also contain PFAS. If the label mentions fluorinated compounds or Teflon, the same concerns apply.

If a gun lubricant does not specifically say “PTFE-free” or “no fluoropolymers,” contact the manufacturer and ask directly. Most reputable brands will give you a straight answer.

PFAS-free gun lubricants that actually work

The shift away from PTFE in gun care is well underway, partly driven by the Department of Defense. Under MIL-PRF-63460 Revision G, DoD CLP products now require at least 33% biobased content, which has pushed manufacturers toward plant-based and synthetic alternatives that skip fluoropolymers entirely.

A few products I would start with:

1. Slip 2000 EWL Extreme Weapons Lubricant - A 100% synthetic CLP with no PTFE, no petroleum distillates, and no Teflon. It handles cleaning, lubrication, and protection in one step. The formula is non-toxic, which makes cleanup and skin contact far less worrisome.

2. Ballistol Multi-Purpose Oil - This German-made oil has been around since 1904, long before anyone thought to put fluoropolymers in gun products. It is made from medicinal-grade mineral oil and plant-based ingredients, and it works on metal, wood, and leather without any synthetic chemical coatings.

3. Breakthrough Clean Battle Born High-Purity Oil - An odorless, non-toxic gun oil designed for modern firearms. The High-Purity Oil formula is free of PTFE. One heads-up: Breakthrough also makes a separate grease product that does contain PTFE, so double-check that you are buying the oil, not the grease.

Check the PFAS Free Life Database for more verified products across all categories.

How to reduce PFAS exposure during firearm maintenance

Beyond switching your gun oil, a few habits can cut your exposure further.

Wear nitrile gloves when cleaning firearms. Seriously, this is the single biggest thing you can do. Even with PFAS-free oil, gun cleaning involves solvents, carbon residue, and lead particles. Gloves protect you from all of it.

Work in a ventilated area, too. Gun cleaning solvents release fumes whether they contain PFAS or not. An open garage or a room with a fan running makes a real difference.

Wash your hands thoroughly after handling firearms. Soap and water will not remove PFAS from your body once it is absorbed, but it will remove residue from your skin before it has a chance to absorb. The sooner you wash, the better.

And you do not need to throw away everything in your cleaning kit at once. When your current bottle of CLP runs out, replace it with a PTFE-free option. Work through your supplies over a few months.

For a broader view of reducing PFAS in your home, check out our guide to top PFAS free water filters and the comprehensive PFAS Free Life Database.

Frequently Asked Questions

Do all gun lubricants contain PFAS?

No. Many popular CLPs and gun oils use PTFE (a type of PFAS) as a friction-reducing additive, but plenty of alternatives skip it entirely. Slip 2000, Ballistol, and Breakthrough Clean all make lubricants from synthetic or plant-based formulas without fluoropolymer additives. Look for products that specifically state “PTFE-free” or “no fluoropolymers” on the label.

Can I test my gun oil for PFAS?

Testing individual consumer products for PFAS requires laboratory analysis, which is not practical for most people. The easier approach is to read the ingredients and contact the manufacturer directly. Ask whether the product contains PTFE, Teflon, or any fluorinated compounds. Reputable companies will answer clearly. You can also check the PFAS Free Life Database for verified clean products.

Is PTFE in gun oil dangerous during shooting?

The primary concern is skin absorption during cleaning and application, not during shooting itself. However, when a lubricated firearm is fired, the heat can cause PTFE to break down and release fumes, especially in high-round-count sessions. Indoor range shooters face higher exposure because ventilation is limited. Switching to a PTFE-free lubricant eliminates both the skin contact and the fume concerns.

*Research reference: Environmental Research 2022

MIL-PRF-63460 Rev G biobased CLP requirements*