3-Pack .410 Caliber Brass Bore Brush

In stock

SKU: BR-0001-410-p3

Product

3-Pack .410 Caliber Brass Bore Brush

In stock

SKU: BR-0001-410-p3

$8.10

$7.86

Packs

Available Options

.410

$2.70

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The .410 has the smallest bore of any common shotgun - and that means fouling has nowhere to hide but also nowhere to spread without affecting your patterns. This .410 bore brass bore brush uses phosphor bronze bristles to clear carbon buildup, powder residue, and lead fouling from your barrel without scratching.

The .410 is the only shotgun shell measured by bore diameter (0.410") rather than gauge. It's a favorite for small game, pest control, youth shooters, and .410-compatible revolvers. That narrow bore collects fouling faster than larger gauges, so regular .410 shotgun cleaning with a properly sized brush is essential to keep your groups tight.

A quick bore cleaning after each session is all this shotgun cleaning brush asks - solvent, a few passes, done. Replace when the bristles stop gripping the bore walls. Simple care that keeps your .410 performing exactly as it should.

Caliber:

.410 Bore

Product Type:

Bore Brush

Firearm Type:

Shotgun

Use Case:

Bore Fouling Removal

Bristle Material:

Phosphor Bronze

Core/Stem Material:

Twisted Wire (Brass)

Bore Diameter (in):

0.41

Thread Size:

5/16-27

Pack Size:

10-Pack, 20-Pack, 3-Pack, 5-Pack, Single

Country of Origin:

Imported (China)

Brand:

GUNNIX

What is the difference between .410 bore and .410 gauge?

The .410 is technically a bore measurement, not a gauge. Unlike 12, 20, or 16 gauge - which refer to the number of lead balls fitting the bore diameter that total one pound - the .410 is simply the decimal measurement of the barrel's internal diameter: 0.410 inches. Calling it ".410 gauge" is common but technically incorrect. Either way, a .410 bore brush fits it.

Can I use a .45 caliber brush for my .410 shotgun?

No - a .45 caliber brush (0.452") is actually larger than a .410 bore (0.410"). It would be too tight to push through and could get stuck. Some shooters confuse the two because the names sound similar, but .410 is the bore diameter and .45 is a different, larger caliber. Use a brush specifically sized for .410 bore — the right-sized brush grips the bore walls without jamming.

Will a bronze bore brush scratch the inside of my .410 barrel?

No. Phosphor bronze is softer than barrel steel by a wide margin. The bristles flex against the bore walls, scrubbing carbon and lead deposits without scratching. If anything, a brush that is too soft - like cotton alone - leaves fouling behind, which itself can cause more damage to accuracy than any amount of proper brushing.

What is the best material for cleaning a .410 bore?

Bronze (phosphor bronze) is the go-to for scrubbing. The .410's small bore diameter means fouling concentrates in a tighter space, so you need bristles stiff enough to dislodge it. Nylon is useful for applying solvent without the risk of false copper readings, but it does not match bronze for removing stubborn carbon or lead.

Do I need a separate bore brush for each gauge I shoot?

Yes. Each gauge has a different bore diameter, and a bore brush only works when the bristles contact the barrel walls with enough pressure to scrub. A 20 gauge brush in a 12 gauge barrel accomplishes nothing. If you shoot multiple gauges, keep a dedicated brush for each - they are inexpensive and the difference in cleaning effectiveness is significant.