A 270 short more or less, a little more capacity than a 6BRX. .120 shorter than a 6.5x47. Made more for hunting than sniping. Should push a 130gr to apx 2800 from a 20" barrel. The bullet loaded is a 110gr HPBT, same as the 6.8 next to it. 223, 6.8, 270 short, 6.5x47, 308.