The Dewey 2-3/4" Round Patches – 100/Bag (Model P-351 / P351, UPC 608060800426) are premium cotton flannel gun-cleaning patches designed for shooters who want consistent, snug bore contact in .38–.45 caliber handguns and rifles as well as .410–20 gauge shotguns. Made by J. Dewey Rods—one of the most trusted names in cleaning rods and accessories—these oversized round patches deliver excellent solvent absorption, fouling removal, and overall cleaning efficiency for your larger-bore firearms. Dewey Rods+1
Optimized Size for .38–.45 Caliber & .410–20 Gauge Shotguns
The 2-3/4" diameter is carefully chosen to provide a snug, effective fit in a wide range of larger calibers:
Ideal Calibers: .38, .357, .40, 10mm, .44, .45 and similar .38–.45 caliber bores. Dewey Rods+1
Shotgun Use: Perfect for .410, 28, and 20 gauge shotguns when paired with the correct jag or patch loop. Dewey Rods
Oversized design ensures full 360° bore contact for more thorough scrubbing with each pass.
Whether you’re cleaning a .45 ACP duty pistol, a 10mm hunting sidearm, or a 20-gauge field shotgun, these patches are sized to get the job done right.
Soft, Absorbent Cotton Flannel Construction
Dewey uses cotton flannel for these patches, a long-time favorite material for serious gun cleaning: Dewey Rods+1
Material: 100% cotton flannel, soft enough to protect bore surfaces yet tough enough to withstand pushing and pulling through the barrel.
Excellent solvent absorption, allowing cleaners, copper removers, and oils to soak in and work effectively.
The napped flannel surface helps lift powder residue, carbon, and light fouling off the lands and grooves.
This combination of softness and absorbency makes them safe for blued, stainless, and coated barrels alike when used properly.
Round Patch Shape for Even Bore Coverage
The round profile of the P-351 patches isn’t just cosmetic—it helps promote consistent cleaning contact: Dewey Rods+1
Round edges reduce the likelihood of corners bunching up or folding in the bore.
Provides smooth rotation and travel through rifling when used with a properly fitting jag.
Helps spread solvents evenly along the bore, maximizing contact time and cleaning efficiency.
Many experienced shooters prefer round patches in larger calibers for their consistent feel and reliable bore engagement.
100 Patches Per Bag – Range Bag & Bench Ready
Each P-351 / P351 pack includes 100 individual patches, giving you plenty of material for routine maintenance and deep cleaning sessions: Dewey Rods+1
Convenient 100/Bag count is ideal for personal use, small shops, or frequent range-goers.
Compact bag fits easily in range bags, cleaning kits, and workbench drawers.
Excellent value for shooters with multiple .38–.45 caliber firearms or shotgun platforms.
If you clean regularly—as every responsible gun owner should—a 100-pack is a smart and economical choice.
Compatible with Dewey Rods, Jags & Many Other Brands
Although made by J. Dewey Rods, these patches are widely compatible with most cleaning setups:
Designed to pair perfectly with Dewey caliber-specific jags and patch loops for optimal fit. Dewey Rods+1
Also work well with many other standard American and metric jag systems, so you don’t need to change your entire kit.
Effective with pull-through cables, bore snakes, and traditional rods, as long as you match patch size to bore and tool.
This flexibility makes the P-351 patches a go-to option for shooters using mixed brands of cleaning gear.
Ideal for Solvent Application, Scrubbing & Final Wipe-Down
These 2-3/4" round flannel patches are suitable for every stage of the cleaning process:
Solvent application: Saturate a patch and push it through to wet the bore before brushing.
Scrubbing passes: Follow up with damp patches after brushing to lift loosened carbon and fouling.
Dry patches: Use clean, dry patches until they come out nearly spotless, confirming your bore is clean.
Because they are absorbent and generously sized, you can often use fewer patches per cleaning session compared to smaller or thinner alternatives.
Trusted Quality from J. Dewey Rods
J. Dewey is a respected manufacturer known for coated cleaning rods, jags, brushes, and patches used by hunters, competitive shooters, and professionals worldwide. Dewey Rods+1
The P-351 patches are part of Dewey’s dedicated patch lineup, which includes multiple sizes tailored to specific calibers. Dewey Rods
Used by shooters who care about preserving barrel life while maintaining accuracy and reliability.
Pairing Dewey’s patches with their rods and jags gives you a complete, professional-grade cleaning system for your firearms.
Key Specifications – Dewey 2-3/4" Round Patches P-351 / P351
From Dewey and major distributors: OpticsPlanet+3Dewey Rods+3Brownells+3
Brand: J. Dewey Rods
Product Name: 2-3/4" Round Patches – 100/Bag
Model / Part Number: P-351 / P351
UPC: 608060800426
Patch Shape: Round
Patch Diameter: 2-3/4" (2.75")
Material: White cotton flannel
Quantity: 100 patches per bag
Recommended Calibers: .38–.45 caliber handguns and rifles
Recommended Shotgun Gauges: .410–20 gauge shotgun bores
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