Description
Ask most anyone who's cleaned a firearm what they reach for first, and there's a good chance the answer is a brown bottle of Hoppe's No. 9. Frank Hoppe put this formula together back in 1903, and it has stuck around this long for one simple reason: it works. This is the full quart size, which is the smart buy if you're cleaning regularly or keeping guns for the whole family running.
What Hoppe's No. 9 Actually Pulls Out of a Bore
The original solvent formula digs into fouling and breaks it loose so it wipes away instead of caking up in the rifling. It handles carbon, powder residue, lead, and metal fouling, and it helps knock back rust and primer buildup at the same time. Because it loosens the abrasive gunk that grinds against your barrel, regular use helps cut down on wear over the long haul. It's safe across the board too, so the same bottle covers your pistols, revolvers, rifles, and shotguns without needing a separate product for each.
Getting the Most Out of Your Hoppe's No. 9
Run a wet patch or a bore brush soaked in No. 9 through the barrel, give it a few minutes to do its thing, then follow with dry patches until they come out clean. On a barrel that's really caked up, letting it soak longer, even overnight, makes a real difference on stubborn copper and lead. A little goes a long way, so this quart bottle will outlast a whole stack of the little 5-ounce bottles. The cap is child-proof, which is a nice touch on a larger container that's likely to sit on a shelf in the shop or garage.
That Famous No. 9 Scent
There's no talking about this solvent without mentioning the smell. Longtime gun owners will tell you it's practically the smell of a clean firearm, and plenty of folks genuinely look forward to it. The fumes are on the strong side, so pop open a window or crack the garage door and you're all set for a good cleaning session.
Key Specifications
- Manufacturer: Hoppe's
- Model: No. 9
- Manufacturer Part Number: 932
- UPC: 026285511253
- Product Type: Liquid Solvent
- Volume: 32 oz (1 Quart)
- Compatible Firearms: Pistols, Revolvers, Rifles, Shotguns
- Removes: Carbon, Powder, Lead, Metal Fouling, Rust
- Cap: Child-Proof
- Aerosol: No
- Dimensions: 8.60 x 3.35 x 3.40 in
- Shipping Weight: 1.9 lbs
What’s Included
- One 32 oz (quart) bottle of Hoppe's No. 9 Gun Bore Cleaner with child-proof cap
Frequently Asked Questions
What does Hoppe's No. 9 Gun Bore Cleaner remove?
It's built to break down and lift out carbon, powder residue, lead, and metal fouling from your bore. It also helps fight rust and loosen the abrasive buildup that wears on a barrel over time. That combination is why it's been a go-to solvent for firearm cleaning for well over a century.
Can I use this on all my guns?
Yes. Hoppe's No. 9 is safe for pistols, revolvers, rifles, and shotguns, so one bottle covers your whole collection. It works on the bore of just about any standard firearm you'd run through it.
How do I use Hoppe's No. 9 to clean a bore?
Soak a patch or bore brush with the solvent and run it through the barrel, then let it sit a few minutes to work into the fouling. Follow up with clean dry patches until they come out clean. For heavy copper or lead buildup, letting it soak longer or even overnight gets better results.
Is the 32 oz size worth it over the smaller bottles?
If you clean often or own several firearms, the quart bottle is the better value and saves you from constantly reordering. A little solvent goes a long way per cleaning, so a full quart lasts a good while. It's the size most range setups and home benches lean toward.




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