Is is it common feature that bolt has a kind of ball on top of it and corresponding cut in receiver? What was the purpose for this kind of improvement, for e bolt stability?
The only rifle I saw this ball on bolt is my K43 AC44 n block.
Is is it common feature that bolt has a kind of ball on top of it and corresponding cut in receiver? What was the purpose for this kind of improvement, for e bolt stability?
The only rifle I saw this ball on bolt is my K43 AC44 n block.