Hi
The M25 uses a M5 12.9 screw. But that is not sufficient for the .35 version if you would ask me.
After a couple of 100 shots I got problems cocking the bolt. It got stuck.
I took it apart and discovered the folowing.
View attachment 327280View attachment 327281View attachment 327282 There where the locking bolt locks in the action, the material got disformed because of the forces.
View attachment 327283View attachment 327284 The M5 12.9 bolt is also not straight anymore, a big risk of snapping of and than the risk of getting the cockingbolt in your face when your shooting.