20-Pack .50 Caliber Brass Bore Brush

In stock

SKU: BR-0001-050-p20

Product

20-Pack .50 Caliber Brass Bore Brush

In stock

SKU: BR-0001-050-p20

$38.00

$33.44

Packs

Available Options

.50

$1.90

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Black powder fouling is corrosive - and in a .50 caliber muzzleloader, you can't afford to wait. This .50 caliber brass bore brush gets the bore clean fast, with phosphor bronze bristles that scrub out powder residue, carbon, and lead fouling without harming the barrel. If you shoot an inline or traditional muzzleloader, this brush belongs in your kit.

The .50 caliber is the standard muzzleloader bore, used by hunters across the country during dedicated muzzleloader seasons. Unlike smokeless powder, black powder and substitutes leave fouling that attracts moisture and begins corroding the bore almost immediately. That's why muzzleloader shooters clean the barrel the same day they shoot - often in the field. A brass bore brush paired with hot soapy water or bore solvent is the proven method.

This rifle cleaning brush fits .50 caliber rifle bores for both muzzleloaders and cartridge rifles. Run it through after every session - with black powder, there's no such thing as bore cleaning "later." Prompt gun cleaning protects your barrel and keeps your muzzleloader shooting true.

Caliber:

.500 S&W, .50 AE

Product Type:

Bore Brush

Firearm Type:

Pistol

Use Case:

Bore Fouling Removal

Pack Size:

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

Bristle Material:

Phosphor Bronze

Core/Stem Material:

Twisted Wire (Brass)

Bore Diameter (in):

0.5

Thread Size:

8-32

Country of Origin:

Imported (China)

Brand:

GUNNIX

What size bore brush do I need for a .50 caliber muzzleloader?

Use a .50 caliber bore brush with 10-32 threading. This is the standard thread for muzzleloader cleaning accessories - different from the 8-32 threads used by most centerfire rifle brushes. Make sure your cleaning rod matches 10-32, or use an adapter. The brush fits all .50 caliber inline and traditional muzzleloaders.

Can I use a 20 gauge shotgun brush on my .50 cal muzzleloader?

The bore diameters are close - .50 cal is 0.500" and 20 gauge is 0.615" - so a 20 gauge brush is actually too large. Some shooters report that a 20 gauge bore mop works in a pinch, but for proper scrubbing you need a .50 caliber brush. The bristles must contact the bore walls firmly to remove black powder fouling, and an oversized brush can't do that.

Can I use standard bore cleaner on a muzzleloader?

It depends on what you're shooting. Black powder and Pyrodex leave corrosive residue that requires water-based or black-powder-specific solvents. Standard bore cleaners designed for smokeless powder won't dissolve the sulfur-based fouling from black powder. If you shoot modern substitute powders like Triple Seven, some standard cleaners work, but always check the label. Clean a muzzleloader the same day you shoot it - corrosive fouling works fast.

Should I use bronze or nylon bore brush bristles for my muzzleloader?

Bronze is the better scrubber for black powder fouling. The sticky, sulfur-based residue from black powder and substitutes bonds to the bore walls and needs physical scrubbing. Nylon bristles tend to slide over this fouling. Brass and bronze are both safe for muzzleloader barrels and won't spark, which matters when working around loose powder. Use bronze for the deep clean, nylon for applying bore butter or protective coatings.

What solvent works best with a .50 caliber bore brush?

For black powder and Pyrodex, hot water with dish soap is the traditional and effective method - it dissolves the water-soluble fouling quickly. Follow with a dedicated black powder solvent or bore cleaner for any remaining residue. For Triple Seven and other modern substitutes, the manufacturer's recommended cleaner is your safest bet. After cleaning, always dry the bore thoroughly and apply a rust preventative, because muzzleloader barrels corrode fast if left wet.