Ran new gun this weekend. Tested with both factory 5 round, 4qty factory 10 round, and 2 firebird 10 round. When inserting an empty mag on gun with bolt already held open it will usually remain held open. Rarely rocking the mag fwd/back will get the bolt to drop. However seating a mag with even a single round in it almost 100% of the time causes the bolt to immediatly slam forward. My buddy jokes that certainly helps speed the reloads except for 50% of the time it doesn't pick up a shell.... What i've found if I favor the front of the mag going in first it will seat and bolt stays back, but an