I have for sale a used 300 Weatherby Factory Super Big Game Master (now called the ultralight weight) 28" total length factory fluted barrel including factory AccuBrake. It has approximately 60 rounds of Factory Weatherby 180 Grains Barnes X through it, no reloads.
Barrel weighs 2 lbs 6 oz
$250 OBO for the barrel. PM with Reasonable Offers. If you need additional photos, let me know.