257 stw sticking

Discussion in 'Reloading' started by lance21, Oct 16, 2010.

  1. lance21

    lance21 Well-Known Member

    Oct 16, 2010
    i have a 257 stw built on a trued rem.action. It doesn't matter what grain powder i use, every shot the bolt will not unlock. I'm at wits end messing with this thing! any thoughts as to what could be going on?
  2. JeffP40

    JeffP40 Well-Known Member

    Oct 23, 2006
    Is the bolt opening most of the way, or not at all? I am assuming the brass is formed from 7mm? Does it fit fine before loading? I am thinking it has to do with brass forming. I can't imagine the rifle being the problem, but stranger things have happened. I would check the brass even down to placing an empty in the chamber and pulling the trigger, then extract. If this is fine, I would begin to think it is a bad chamber. Oblong or off-center. Without excess pressure, that is the only way I can think of to cause this.