Quote Originally Posted by Jerry R View Post
The problem I have with this whole situation is, the can works (on this pistol) with super-sonics ... no stringing, and good groups. Only the subs string. One of the other shooters suggested turbulence due to projectile speed; but not enough to cause a baffle strike. Interesting problem, and I'm not sure it can be "fixed". I may have to stick with supers on the 8.5" and use the subs on the 11.85" (which groups well, without stringing - same type mount.)
I missed this before. Seems like that barrel may just not like subs. Why that's the case could be explained by your other shooters, as that's beyond my knowledge, but that might be the issue.