Firing, unlocking, extracting, ejecting, cocking, feeding, chambering, locking.
That is the cycle of operations for an M16 gas operated shoulder fired weapon. Sir! Had that drilled into my head every night for three months.
Was never a Saw dog or M240 or MK19 bubba. Those are the open bolts you speak of correct? When I see Q posts about locked and loaded I think condition 1 (hot) weapon, sighted in.