We encountered the issues when shooting from different positions, both from cover, partially under cover or rapid shooting from a partially supported position. Someone, I don't remember if it was here pointed out the aluminum mag well from tromix. It resolved the mag stability issues and as far as I know the bolt stopped skipping. We also replaced the plastic trigger guard as that was begging to be broken especially during our demo process. Honestly though my concern now is the rifle not resetting after pulling the trigger.. I don't see Mossberg being helpful at all about this. I was gonna do a writeup on this thing when I had a chance.. probably when it gets warmer and I have some free time. As for accuracy a 16" barrel should be plenty fine for 100-200 yard shooting. And in my case we tested @ 100yds. On a completely unrelated note I have an SBR AR with a 10.5 barrel that is good out to 200 yards.. Never took it further.