Twist is 1/20'" and it has conventional rifling. Just bought one this morning for $999 at Academy (not bad considering no shipping or FFL fees). I slugged it and groove diameter is .4296". It will feed 429421 Keith bullets seated in a magnum case and crimped properly in the crimp groove. It looks like someone actually listened to all the complaints from us bullet casters. I can't wait to shoot it.
