Advice needed ... bolt opens on firing!

[Peter Laidler]

You ain't misleading me spent primer, you're giving me/us duff gen as we call it! You said 'All went well with one exception' and that seems to indicate that it happened once! Anyway..... to test Sons theory you could just unscrew/remove the bolthead, press the striker IN against a block of hard wood, hold the cocking piece and rotate the bolt 90 degrees right as if to close. If it winds back on itself, you've got the answer. But if it don't..................

And another thing to remember is this. While your bolt is mysteriously unlocking itself, it has got to do it with some degree of difficulty because the safety stud on the cocking piece has now still got to lever itself from the long can groove in the bolt to the short cam groove. And that takes quite a bit of effort as you can see/feel when you do it by hand.

Just my 2c's worth. But I'll