As an alpha gamer, your job isn't to work with probabilites. If you see an issue, report it.
May 9 2016
Was able to reproduce, Turning left or right over 45 degrees also frees from locked walking weapon-raised stance. Possibly has something to do with the new input to slow to raised walking stance (W+S).
Some things to note Cancerbero. You do not drop a magazine untill it is fully emptied. Shell casings on the ground is very hard to accomplish with such large maps, though I can only hope the Dev team is at least trying! :3
This could be an issue with your sound card. Get to testing loud-volume .flak s on your machine. Your headset also might not like the high quality sound. Try to troubleshoot before you submit a bug, thanks.
Your router may have some ports that are closed, preventing the game from properly connecting. Get a more video-game compliant router, like D-Links or anything that allows you to openly forward and edit ports.