Description
This is the kit that gets thrown in the range bag and forgotten about until you need it, which is exactly the point. Hoppe's built the UO around the same No. 9 bore cleaner that's been in gun cabinets since 1903, and they paired it with just enough hardware to handle both rifles and shotguns without cluttering up your bench. If you own a mix of long guns and want one box that covers all of them, this does the job.
Inside you get a 2 oz bottle of Hoppe's No. 9 Gun Bore Cleaner and a 2.25 oz bottle of Hoppe's Traditional Lubricating Oil. The No. 9 is the workhorse here, cutting through carbon, powder, lead, and metal fouling to loosen up the gunk that builds in a bore after a range session. The lubricating oil handles the other half of the job, coating moving parts and giving your metal a layer of rust protection when the gun goes back in the safe.
What Comes with the Hoppe's UO Cleaning Kit
The three-piece aluminum rod threads together with a T-handle and a ball-bearing swivel, so the tip can follow the rifling as you push it through instead of fighting it. You also get three slotted tips, a shotgun adapter for bumping up to gauge-sized bores, and a supply of round die-cut cotton patches for soaking up solvent and wiping the bore clean. It all tucks back into the plastic storage box, which keeps the small parts from wandering off between cleanings.
A Solid Starter or Backup Kit
One thing worth knowing up front: this kit does not include bore brushes, so if you're dealing with heavy fouling you'll want to add a caliber-specific brush to your setup. For routine after-range wipe-downs and general maintenance, though, the UO covers the bases and does it with proven Hoppe's chemistry. It's a smart pickup for a new gun owner building out a cleaning setup, or as a spare kit to leave at the cabin or in the truck.
Key Specifications
- Manufacturer: Hoppe's
- Manufacturer Part Number: UO
- UPC: 026285510034
- Product Type: Cleaning Kit
- Compatibility: Rifles and shotguns, all calibers and gauges
- Bore Cleaner: Hoppe's No. 9, 2 oz
- Lubricating Oil: Hoppe's Traditional, 2.25 oz
- Cleaning Rod: Three-piece aluminum with T-handle and ball-bearing swivel
- Case Material: Plastic storage box
- Length: 14.35 in
- Shipping Weight: 1.1 lbs
What’s Included
- Hoppe's No. 9 Gun Bore Cleaner (2 oz)
- Hoppe's Traditional Lubricating Oil (2.25 oz)
- Three-piece aluminum cleaning rod with T-handle and ball-bearing swivel
- Three slotted tips
- Shotgun adapter
- Round die-cut cotton patches
- Plastic storage box
Frequently Asked Questions
Does the Hoppe's UO kit come with bore brushes?
No, this kit does not include bore brushes. It comes with slotted tips and patches for solvent application and wiping the bore. If you deal with heavy fouling, pick up a caliber-specific brush to round out your setup.
Can I use this cleaning kit on both rifles and shotguns?
Yes, that's the whole idea behind it. The kit is designed for universal use across rifles and shotguns of all calibers and gauges. The included shotgun adapter lets you step up to the larger bore sizes, while the slotted tips handle your rifle work.
What does the Hoppe's No. 9 solvent actually remove?
Hoppe's No. 9 penetrates the bore to remove carbon, powder, lead, and metal fouling. It's the original formula that's been trusted since 1903 for general bore maintenance. For heavy plated-on copper fouling, a dedicated copper solvent will work faster, but No. 9 handles routine cleaning well.
Is the aluminum cleaning rod good enough for regular use?
The three-piece aluminum rod is lightweight and threads together easily, with a T-handle and ball-bearing swivel that lets the tip follow the rifling as you push through. It's well suited for routine cleaning and takedown convenience. Serious bench rest folks often prefer a one-piece coated rod, but for everyday maintenance this one gets the job done.





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