[SBE 2 will not fire when I slightly ease the bolt back and then push it forward]

Other than the click is there a way to visually see if its right?

[SBE 2 will not fire when I slightly ease the bolt back and then push it forward]

I own a SBE 2 and bought a seperate SBE slug barrel for it. It is super accurate and I love the gun. It did cost me a big buck this year however. When you have a slug in the receiver and you ease the bolt back just to make sure it is loaded something happens in this process. I push the bolt all the way back forword but the gun will only dry fire. Putting a little tiny dent on the primer of the slug. Anyone know why? I showed all of my buddies and no one can figure it out.