Description
A good bore guide is one of those tools you don't think much about until you've watched a cleaning rod flex sideways and scrape the throat of your barrel. The Breakthrough Clean Aluminum Universal Bore Guide takes that worry off the table. It lines your rod up straight through the chamber and shields the breech, bore, and chamber mouth from the kind of abrasive wear that comes from a rod bowing or bending under pressure. The body is machined from anodized aluminum, so it shrugs off solvents and holds up to years of range-day and bench cleaning without corroding.
What Sets the Aluminum Universal Bore Guide Apart
The big draw here is range. This guide covers everything from a .17 caliber varmint rig up to a .416, and it does that with a set of interchangeable tips that slide smoothly into the chamber for a snug, rattle-free fit. Whether you're maintaining a rimfire plinker, a magnum hunting rifle, or something in between, one guide handles the lineup. A threaded brass pin anchors the guide rod to your action, so it stays put while you're pushing patches and brushes through instead of walking loose mid-stroke.
Built for Bolt Guns and AR-15s Alike
The Universal Bore Guide is set up for most bolt-action rifles right out of the package, and it includes an adapter sleeve for the AR-15 platform. That sleeve tightens up the fit and adds support to the upper receiver, which makes cleaning a semi-auto a lot less fiddly. Owners have noted the narrower plug even seats well in tighter short-action receivers where other guides come up loose.
Clean Without the Mess
There's a built-in solvent port so you can wet your patch right at the guide instead of dripping cleaner all over your action and bench. At 12.5 inches, it reaches through standard receiver lengths and keeps the whole process controlled and tidy. It's a simple, well-made piece of kit that earns its spot in a range bag or gunsmithing drawer.
Key Specifications
- Manufacturer: Breakthrough Clean Technologies
- Manufacturer Part Number: BT-BG-U
- UPC: 854325008957
- Product Type: Bore Guide
- Material: Anodized Aluminum
- Caliber Range: .17 up to .416
- Length: 12.50"
- Color: Green/Black
- Anchor Pin: Threaded brass pin
- Solvent Application: Built-in port
- Compatibility: Most bolt-action rifles; AR-15 with included sleeve
- Country of Origin: United States
What’s Included
- Universal Aluminum Bore Guide
- Interchangeable tips (.17 up to .416)
- AR-15 adapter sleeve
Frequently Asked Questions
What calibers does the Universal Bore Guide fit?
It covers bore sizes from .17 all the way up to .416 using a set of interchangeable tips. Those tips let the guide seat smoothly into the chamber for a proper fit across that whole range, so a single guide works for everything from a small varmint rifle to a big magnum.
Does this bore guide work with AR-15 rifles?
Yes. It's designed for most bolt-action rifles and includes an adapter sleeve made specifically for the AR-15. The sleeve creates a tighter fit and adds support to the upper receiver while you clean, which makes it easier to keep the rod aligned on a semi-auto.
How does the guide stay in place while cleaning?
A threaded brass pin anchors the guide rod to your firearm's action. That keeps the guide from shifting or backing out while you push a cleaning rod and patches through the bore, so your rod stays lined up and off the chamber walls.
Can I apply solvent without making a mess?
It has a built-in port that lets you apply solvent directly to the patch once it's inserted in the guide. That keeps cleaner off your action and bench and gives you more controlled application instead of dripping solvent everywhere.





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