A copper bullet like you are describing is in the works but not by Barnes. It requires a faster twist for best results. So far the testing results are mixed and the best results have been with twists faster than 1-22. This bullet though has a long "pointy" ogive because they wanted a high BC. A less aggressive ogive would likely work in a slower twist just fine with upper end loads.
Ive been begging for a 220-230gr copper bullet that mimics the Barnes 195gr profile for a long time but i don't see it happening.
Last edited by Gm54-120; 11-27-2013 at 01:43 PM.