Every thing else works fine, and this happens with mag in or out!! When you pull bolt all the way back it clicks and used to stay there but now it slides back and forth, so if you tilt gun forward now the bold slides down where as it use to stay in place, There is a o ring on bolt, should this be in...

Hi all Any help appreciated My bolt on my air arms used to pull back,and then to reload mad you would pull back a tiny bit more and it would click into place, and stay there meaning you could easily get mag in, after a breach seal change (done by air arms!) it now doesn't stay back after click, and ...