for security reasons edit war as i said in my edit summary the term for security reasons is ambiguous and not properly established in the source further it is unnecessary you'd have to have a crystal ball to know why they did it and as i said earlier janes is not perfect the reason that all the other mg manufacturers alter their parts so they don't interchange is because the us batfe makes them do it suddenly glock is different yeah i guess that's just like glock compensated pistols not acting like any other compensated pistol i wonder if they actually shoot bullets