400.00 Hart barrel chambered in 270 wby Grande Prairie Apr 19, 2024 - 8:13 PM 300ultra I’m selling a Hart # 5 straight fluted and cerakoted 1-10 twist barrel with radial muzzle brake , rifle was on a stiller action. This barrel was chambered in 270 wby and came on my Mcwhorter Rifle and was a absolute tack driver.