Description
Bronze brushes are the workhorse of any real cleaning routine, and Sinclair builds these to do the heavy lifting on your .35 caliber (.358) rifle. Sized specifically for bores like the .35 Remington and .358 Winchester, the phosphor bronze bristles bite into stubborn carbon and copper fouling that patches and solvent alone won't move. You get twelve of them here, which is the smart way to buy since brushes are consumables and worn-out bristles just push dirt around instead of scrubbing it out.
What Sets These Sinclair Bronze Brushes Apart
The construction is where these earn their keep. Sinclair packs in roughly twice the bristle fill of a generic brush, with bristles running all the way to the tip so the whole bore gets scrubbed on every pass. The stem is cold welded to a looped-and-wound brass core that holds up to around 200 pounds of pull force before it'll separate, so you're not going to strip the head off mid-stroke. The caliber is stamped right on the stem too, which saves you squinting at a pile of brushes trying to find the right size.
Fitting the 35 Caliber Bore Brush to Your Setup
Every brush uses the standard 8-32 male thread, the most common pattern out there, so it spins right onto pretty much any rifle cleaning rod, handle, or adapter you already own. Sinclair machines a clean starter thread so the brush catches easily instead of cross-threading. Bronze does wear faster than nylon because it's meant to be aggressive, and that's exactly why a 12-pack makes sense. When a brush loses its stiffness and stops loading up with fouling, you toss it and grab a fresh one.
If you shoot a .35 caliber rifle with any regularity, these belong in your kit. Bronze cuts fouling quicker than nylon, and buying by the dozen means you're covered for a long stretch of range days and hunting seasons without reordering.
Key Specifications
- Manufacturer: Sinclair International
- Caliber: .35 Caliber (.358)
- Bristle Material: Phosphor Bronze
- Thread Size: 8-32 Male (8-32M)
- Brush Type: Rifle Bore Brush
- Core: Looped-and-wound brass, cold welded stem
- Pull Strength: Up to approx. 200 lbs before separation
- Approx. Length: About 2-1/8 in (5.4 cm)
- Quantity: 12 Pack
- UPC: 608060400497
What’s Included
- 12 Sinclair International .35 caliber bronze rifle bore brushes
Frequently Asked Questions
What rifles does the 35 caliber bronze bore brush fit?
It's sized for .35 caliber bores, which measure .358 in diameter. That covers popular chamberings like the .35 Remington and .358 Winchester. Using a brush matched to your bore diameter is what gives you proper bristle contact for effective scrubbing.
Will these brushes thread onto my cleaning rod?
Yes. Each brush uses the 8-32 male thread, which is the standard pattern found on the vast majority of rifle cleaning rods, handles, and adapters. Sinclair machines a clean starter thread so the brush spins on easily without cross-threading.
Why buy the bronze brush in a 12-pack instead of one at a time?
Bronze brushes are consumables. The bristles are meant to be aggressive on fouling, so they naturally wear down and lose stiffness over time, and a worn brush just smears dirt around instead of removing it. Buying a dozen keeps fresh brushes on hand so you can swap one out the moment it stops performing.
Should I choose bronze over nylon for cleaning my .35 caliber rifle?
Bronze bristles scrub harder and cut through carbon and copper fouling faster than nylon, making them the go-to for a thorough cleaning. Nylon is the gentler option for lighter jobs or when you want less aggressive action. Many people keep both on hand and reach for bronze when the bore really needs work.





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