Can I use the Pro-Shot 2-1/2

No, these patches are strictly engineered for .45 to .58 calibre barrels. Forcing a 2-1/2 inch patch into a barrel below .45 calibre will cause it to bind or jam your cleaning rod in the bore. For smaller calibres, you should select smaller patch sizes designed specifically for those dimensions.

What material are these cleaning patches made of, and how do they protect my rifle's rifling?

These patches are crafted from 100% USA-grown cotton flannel featuring a high-thread-count weave and a double-napped, brushed finish on both sides. This soft, dense construction ensures complete 360-degree contact with rifling lands and grooves to effectively carry away carbon, lead, and copper fouling without causing abrasive wear to the bore.

Are there any electrical safety or regulatory compliance approvals required for these patches in Australia?

No, as these are passive, non-electrical cotton cleaning accessories, requirements for 240V mains power, SAA approvals, and RCM markings are completely not applicable. They are safe and straightforward consumables for your regular outback hunting and workshop maintenance kit.

.45-.58 Cal Cleaning Patches - Pro-Shot 21/2-250

The Pro-Shot 2-1/2" Cotton Flannel Gun Cleaning Patches (MPN 21/2-250) are dedicated maintenance consumables designed for cleaning, swabbing, and conditioning large-bore firearms. Sized at 2.5 inches (63.5 mm) in diameter and supplied in a 250-count pack, these patches are made from 100% USA-grown cotton flannel featuring a high-thread-count weave and a double-napped (brushed) finish on both sides. They are engineered to deliver consistent 360-degree bore contact when paired with standard slotted loops or pointed cleaning jags across .45 to .58 calibre barrels.

Key Features

Calibre-Matched Sizing: Engineered specifically for bore diameters ranging from .45 calibre (11.43 mm) up to .58 calibre (14.73 mm).
Double-Napped Cotton Flannel: Brushed on both sides to maximise solvent retention, absorb bore fouling, and lift carbon, copper, lead, and black powder residue without shedding lint.
Non-Abrasive Bore Contact: Dense cotton weave ensures complete contact across rifling lands and grooves without causing abrasive barrel wear.
Chemical Resistance: Compatible with petroleum-, water-, and ammonia-based gun cleaning solvents, degreasers, and rust-inhibiting oils.
Resealable Storage: Supplied in a resealable 250-count pack weighing approximately 115 to 140 g.

Specifications

Brand: Pro-Shot
Manufacturer Part Number (MPN): 21/2-250
Patch Dimension: 2.5 inches (63.5 mm) diameter
Quantity: 250 patches per pack
Calibre Compatibility: .45 to .58 calibre (11.43 mm to 14.73 mm)
Material: 100% double-napped USA-grown cotton flannel
Package Weight: Approximately 115–140 g

Who is the Proshot 45-58 Cal Square Patches 250 Pack for?

Big-game hunters using .45-70 or larger calibres — requires the 2.5-inch diameter of these gun cleaning patches to provide full 360-degree surface contact across .45 to .58 calibre rifle bores when applying copper solvents and rust inhibitors.
Traditional black powder and muzzleloader enthusiasts shooting .50 to .58 calibres — relies on the high solvent absorbency of the double-napped cotton flannel in this 250-count pack of gun cleaning patches to lift heavy corrosive powder fouling from .50, .54, and .58 calibre barrels.
Competitive target shooters maintaining large-calibre rifles — benefits from the non-abrasive weave sized for .45 to .58 calibre barrels to dry-patch rifling lands clean and apply uniform bore conditioning across high-volume range sessions.

Less suitable for: Firearm barrels smaller than .45 calibre (11.43 mm), where a 2.5-inch patch will bind and jam cleaning rods (smaller 1.5-inch or 2-inch patches are required), as well as shotgun bores or calibres exceeding .58 calibre (14.73 mm), which require larger 3-inch patches to maintain adequate bore wall pressure.

SKU	PS41252LP
Model #	21/2-250
Brand	Pro-Shot
Shipping Weight	1.0000kg

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Pro-Shot 21/2-250 Cleaning Patches 250 Pack .45 To .58 Cal

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