It is a springer. It has functional slide stop and even a half cock. This one is even rarer as it came with an LRB.
Performance is okay, when it works. Finding a silver one or a black with a compensator that works is pretty hard.
It's not an exact number but it could be 1000 to 3000 rounds on propane before wear, depending how rough the player is. Maybe your tm never breaks; usually things will loosen up that you would not notice with a first look.