While playing on 0.58 the new stable release my game crashed a few times. Two of the times were right as I was dragging my sks from my inventory to my hot bar or hands. I believe it had something to do with recently using my mouse3 button which I use for Vent. That's the only thing I can think of. The first time it happened, I was holding down mouse3 and talking while trying to move the sks to first slot in the hotbar. game crashed. Get back in, make certain not to use mouse3 for awhile and I can freely manipulate the sks into my hands, hotbar, etc.
Fast forward 30 minutes later I again try to move the sks from inventory to my hands throw a click and drag, game crashes the second I pull it from inventory to the body panels. I had just let go of my mouse3 this time. Maybe I was also running and doing these things? I was up North, we ran from NWAF to Tisy, in case the location has anything to do with it.