did you have the M3A1 without the crank handle? the one in the pic looks like an M3 the way the front of receiver is up in the air resting on the crank handle did you have the M3A1 without the crank handle? the one in the pic looks like an M3 the way the front of receiver is up in the air resting on the crank handle The one I played with just had a big divot in the bolt to hook a finger into and pull it back. Never researched different versions I disliked it so much.