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Hoppes Elite 9 foaming cleaner warning #5349131 02/13/20 05:06 PM
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KCJeep Offline OP
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I got this from the Department today. I have never seen them issue anything like this in 30 years so I am thinking there may be something to it. Just throwing this out there fyi, I have no experience with the product either.

Hoppes 9 Elite Foaming Gun Cleaner
The Firearms Training and Tactics Section has received multiple reports of a potentially dangerous situation that could occur from the use of a popular gun cleaner. Hoppes 9 Elite Foaming Gun Cleaner has been identified by more than one Law Enforcement agency as having the potential to damage the internal mechanisms in firearms. In more than one instance the use of this product has caused the formation of a glue-like bond on the internal parts and rendered the weapon incapable of being fired. In extreme circumstances this damage has been irreversible and resulted in the weapon needing to be replaced. Members of the Firearms Training and Tactics Section have not tested this product and have no personal experience with its use as this product is not in current use by our Department. Individual members may be using this on their personally owned weapons and are urged to use caution if they decide to use it.


2018 VW Passat GT VR6 - 25k - Castrol Pro OE 5w40 - VW OEM filter
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Re: Hoppes Elite 9 foaming cleaner warning [Re: KCJeep] #5349146 02/13/20 05:27 PM
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Chris142 Offline
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Thats weird.


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Re: Hoppes Elite 9 foaming cleaner warning [Re: KCJeep] #5349164 02/13/20 05:59 PM
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E150GT Offline
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This is why I never clean my glock.


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Re: Hoppes Elite 9 foaming cleaner warning [Re: KCJeep] #5349180 02/13/20 06:16 PM
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Rat407 Offline
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Barbasol shaving cream works great.


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Re: Hoppes Elite 9 foaming cleaner warning [Re: KCJeep] #5349186 02/13/20 06:21 PM
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ammolab Offline
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That stuff is also damaging to many stock finishes!


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Re: Hoppes Elite 9 foaming cleaner warning [Re: KCJeep] #5349229 02/13/20 07:07 PM
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Triple_Se7en Online Content
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I never use foam cleaners. Hoppes Elite also offers a liquid pump spray that has no foam. I've used it recently.
My favorite is still Ballistol, followed by Breakfree LP lubricant or Slip 20000 EWL.


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Re: Hoppes Elite 9 foaming cleaner warning [Re: KCJeep] #5349243 02/13/20 07:18 PM
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ZeeOSix Offline
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Doesn't sound good.

Re: Hoppes Elite 9 foaming cleaner warning [Re: KCJeep] #5349359 02/13/20 09:20 PM
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Blkstanger Offline
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Wow that sounds bad. Thanks for sharing.


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Re: Hoppes Elite 9 foaming cleaner warning [Re: KCJeep] #5349411 02/13/20 10:02 PM
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Nitronoise Offline
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Break free is the only way to go


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Re: Hoppes Elite 9 foaming cleaner warning [Re: KCJeep] #5349694 02/14/20 09:11 AM
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PowerSurge Offline
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Never had anything not come clean with a good bore cleaner and/or CLP. I have no use for any foaming cleaner on a firearm.


1993 Porsche 964, 2001 Ford SVT F-150 Lightning, 2004 Chevrolet Corvette, 2018 Toyota Tundra and a few others
Re: Hoppes Elite 9 foaming cleaner warning [Re: Nitronoise] #5351718 02/16/20 01:12 PM
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Silverado12 Offline
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Originally Posted by Nitronoise
Break free is the only way to go

That's what I've been using forever and it works well. I do use Hoppes #9 oil, though, but not foamy aerosol. When I was in law enforcement they warned us not to use WD-40 or other penetrating oil to clean guns because it can leach into the primers and ruin them resulting in a failure to fire.


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Re: Hoppes Elite 9 foaming cleaner warning [Re: KCJeep] #5351873 02/16/20 04:18 PM
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A bit surprising but certainly plausible for polymer guns if overused. If it foams in, with who knows what kinds of solvents, plus oils, grease, powder residue, etc. it certainly seems plausible.

That said, you’d think that a company like hoppe’s would be pretty well tested on any number of varieties of duty weapons. Of course, who knows if these reports are anecdotal on $250 striker fired polymer specials.

Re: Hoppes Elite 9 foaming cleaner warning [Re: KCJeep] #5352169 02/16/20 09:27 PM
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I've used Starting fluid to clean guns and it works well.
Flushed them out, removed carbon and dries fast.
Removed all the oil so gotta give em a squirt of Marvel Mystery Oil afterwards. Have to say it kinda kills me how everyone spends all this money in overpriced gun chemicals when so many are at your finger tips- cheaper that perform the task. You realize they are guns and pretty darn durable right?



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Re: Hoppes Elite 9 foaming cleaner warning [Re: Panzerman] #5352240 02/16/20 10:53 PM
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Originally Posted by Panzerman
I've used Starting fluid to clean guns and it works well.
Have to say it kinda kills me.....

Breathe enough starting fluid and it may kill you.


Keep Your Pistons, Valves & Injectors Clean

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20 Kia Soul XLine 2.0 MPI - both Pennzoil Ultra Plat. 5W30 / AC Delco PF1127 Ecores
04 Chev Colorado Napa Syn 0w20 & K&N



Re: Hoppes Elite 9 foaming cleaner warning [Re: Panzerman] #5352646 02/17/20 12:39 PM
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Originally Posted by Panzerman
I've used Starting fluid to clean guns and it works well.
Flushed them out, removed carbon and dries fast.
Removed all the oil so gotta give em a squirt of Marvel Mystery Oil afterwards. Have to say it kinda kills me how everyone spends all this money in overpriced gun chemicals when so many are at your finger tips- cheaper that perform the task. You realize they are guns and pretty darn durable right?


Sure, they’re durable, but a lot of chemicals can permanently mar surfaces. Especially some polymers. It’s not smart to just go out to the garage and use chemicals that are designed to start an internal combustion engine and think everything is going to be ok. So what if products designed for firearm use are a little more costly. I’ve been shooting for over 30 years and all of mine look and perform like new except my edc.


1993 Porsche 964, 2001 Ford SVT F-150 Lightning, 2004 Chevrolet Corvette, 2018 Toyota Tundra and a few others
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