chambering or headspace

  1. A

    Gunsmithing Bushing Firing Pin Affect Headspace?

    Does bushing a firing pin change a rifle’s headspace to the point of it becoming unsafe, excessive, detrimental to accuracy, etc.? Should I wait to have the pin bushed until I’m ready to rebarrel? From the research I’ve done, it seems that custom shops (LRI, Gretan) either mention the topic or...
  2. M

    338LM Chambering/Headspace

    Hi guys, sitting in the shed going through my case preparation, and had a question for those who know such things: How does the 338LM chamber? i.e. 9mm pistols chamber on the case neck. Does the 338LM chamber on the ends of the case in the neck, or on the shoulder or it is...