20-Pack .270 Caliber Brass Jag
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Know before you buy:
⚠️ WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Built for the 0.277" groove diameter, this .270 caliber brass jag fits the .270 Winchester and .270 WSM. The jag's pointed tip grabs a cleaning patch and holds it tight against the rifling as it travels through the bore - delivering the kind of even pressure that slotted tips and patch loops cannot match. Solid brass means zero risk of scratching the barrel. Note: 7mm cartridges like 7mm Rem Mag use a larger 0.284" bore and need a dedicated 7mm jag.
The .270 Winchester has been America's go-to mountain and plains hunting cartridge since 1925. Nearly a century of use hasn't changed the one thing every .270 owner deals with: copper jacket fouling from high-velocity loads. Bullets leaving the muzzle above 3,000 fps smear copper into the rifling grooves, and that fouling is invisible until accuracy starts to suffer. A gun cleaning jag with a solvent-soaked patch is the most effective way to draw that copper out - the tight fit forces the solvent into every groove.
Here's a useful trick experienced shooters use: if your .270 jag and patch combo feels too tight, try a .25 cal patch cut to fit. The bore cleaning result stays the same with less resistance on the rod. Always push from breech to muzzle for the cleanest gun cleaning result.