Maybe try a little more crimp? I have crimped down as low as .416 with some of my loads, but more consistently to .418-.419. I have no experience with 1911's, so my advice is limited. Good luck man.
What spring weight are you using with the DW?
Have you shot factory rounds through it?
GEN 3 20LS/20SF/21SF/30SF/23/34/26
GEN 4 17/19/21/34/35
Last edited by Meathead9; 07-25-2011 at 18:26..