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The foaming version of the legendary Hoppe's No. 9 takes one of the most tedious parts of gun care and makes it about as easy as it gets. Instead of soaking patches and running a brush back and forth, you spray the foam straight into the barrel, walk away for a bit, and let the chemistry pull carbon and copper out of the rifling on its own. It comes in a 12 oz can with an easy dispense tube, so getting foam from chamber to muzzle takes only a few seconds.
The standout trick here is the color-change indicator. The foam goes in orange and shifts as it works: blue tells you it's pulling copper, black tells you it's lifting powder and carbon fouling. It's a genuinely useful bit of feedback, since you can look at a patch and know whether the bore still needs attention or whether you're good to go. Plenty of folks running dirty AR barrels or high-round-count rifles are surprised how much comes out on the first pass.
Usage is straightforward. Let the barrel cool for a few minutes, shake the can, then spray from the chamber toward the muzzle until foam appears at the end. Give it 15 to 30 minutes of dwell time to do the heavy lifting, then run a dry patch through to clear it out. For heavily fouled or neglected bores, a second application knocks out whatever's left.
This is where copper solvents really shine, in rifle barrels that build up jacket fouling over a range session. Handgun and shotgun bores clean up fine with it too, though they tend to see less copper. One thing worth noting: the dispense tube is sized with standard bores in mind, so very small calibers like .22 can take a little patience. For anyone who wants a faster, lower-effort way to keep barrels shooting straight, this foam earns a permanent spot in the range bag.
Let the barrel cool for about five minutes, shake the can well, then spray the foam from the chamber toward the muzzle until it appears at the end of the barrel. Wait 15 to 30 minutes for the foam to break down the fouling, then run a clean patch through the bore to remove it. Heavily fouled barrels may need a second round for best results.
The foam goes in orange and changes color to show you what it's removing. Blue means it's dissolving copper fouling, and black means it's pulling out powder and carbon residue. It's a simple visual way to confirm the cleaner is doing its job and to gauge how dirty the bore was.
That's the whole idea behind it. The foam expands to fill the bore and does the chemical work on its own, so in most cases you can skip the brush and just patch it out. Extremely stubborn or long-neglected barrels might still benefit from a pass with a bore brush, but for routine cleaning the foam handles it.
Yes, it works across rifles, pistols, and shotguns. Copper fouling shows up most in rifle barrels, so that's where you'll see the biggest payoff, but it cleans powder and carbon out of any conventional bore. Just keep in mind the dispense tube is sized for standard calibers, so very small bores like .22 take a bit more care.
| UPC | 026285009088 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 908 |
| Product Type | Bore Cleaner |
| Quantity | 1 Can |
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