Quote Originally Posted by jpx2rk View Post
You could try single loading the current ammo to see if that does anything for the good. Try inserting/starting each round into the chamber to avoid any misalignment of the new round coming out of the clip. Tenex ammo may/may not be the preferred ammo for your particular gun. One of the several levels of SK might be preferred choice.
What ammo does your MkII prefer?