Description
The Tetra Gun Bore Boa is one of the simplest ways to keep a 12 gauge barrel clean without dragging out a rod, jag, and a pile of patches. You feed the brass-weighted end down the breech, let it drop through, and pull the rope out the muzzle. In one pass it loosens fouling, scrubs it out, and carries lube along for the ride so your bore comes out clean and protected. For routine cleaning after a day at the range or in the field, it's tough to beat for speed.
What Makes the Bore Boa Work
The rope has a caliber-specific bronze brush embedded right into the material, so it makes close contact with every part of the bore as it travels through. That's the difference between a rope that just wipes and one that actually scrubs. Pulling from breech to muzzle is the way to go here since it carries the gunk out the front instead of pushing it back toward the action, which keeps residue from settling where you don't want it.
Pairing the Bore Boa With Solvent
This thing plays nicely with whatever cleaner you already trust. Tetra built it with their Triple Action CLP in mind, but a splash of your usual bore solvent or gun oil on the brush section works great too. Some folks like to let solvent sit in the barrel for a minute before the first pull, then run the rope through a couple times until the bore looks right. On a 12 gauge, one or two passes usually does it for a normal cleaning.
Made to Be Washed and Reused
The Bore Boa isn't a throwaway. When it starts looking grimy, hand wash it with warm water and a little soap, or toss it in a mesh laundry bag and run it through the machine, then hang it to air dry. Do that every so often and it'll keep serving you cleaning after cleaning. It rolls up small enough to live in a range bag or hunting vest, which makes it easy to keep one wherever your shotgun goes.
Key Specifications
- Manufacturer: Tetra Gun
- Series: Bore Boa
- Gauge: 12 Gauge
- For Use With: Shotguns
- Type: Bore Cleaning Rope
- Brush: Embedded bronze brush, gauge-specific
- Reusable: Yes, washable
- Weight: 1.6 oz
- Country of Origin: United States
- Manufacturer Part Number: F1450I
- UPC: 053371014503
What’s Included
- 1 Tetra Gun Bore Boa 12 gauge cleaning rope with brass pull weight and embedded bronze brush
Frequently Asked Questions
How do you use the Tetra Bore Boa on a 12 gauge?
Clear the firearm first, then drop the brass-weighted end down the breech and let it fall through the barrel. Add a little solvent or CLP to the brush section, then pull the rope out the muzzle end. Pulling from breech to muzzle carries fouling out the front rather than back into the action, and one or two passes usually gets a 12 gauge bore looking clean.
Can the Bore Boa be washed and reused?
Yes, it's built to be reused. When it gets dirty you can hand wash it with warm water and a little soap, or put it in a mesh laundry bag and run it through the washing machine, then hang it to air dry. Cleaning it every several uses keeps it working well for a long time.
Do I need a separate solvent with the Bore Boa?
The rope works best with a cleaner applied to the brush area. Tetra designed it to pair with their Triple Action CLP, but any quality bore solvent or gun oil you already use will do the job. Let it sit in the bore for a minute before your first pull if the barrel is especially dirty.
Will the Bore Boa fit any 12 gauge shotgun?
This version is sized specifically for 12 gauge bores, so it fits pump, semi-auto, over/under, and side-by-side shotguns chambered in 12 gauge. The gauge-specific fit is what lets the embedded bronze brush make full contact with the barrel walls. If you have shotguns in other gauges, Tetra offers the Bore Boa in those sizes too.




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