The ZM61 Spring shotgun by CYMA is a 1:1 scale replica airsoft gun that packs a punch! This beast shoots at 350 FPS with 0.12g BBs! This is a pump action airsoft shotgun, so you need to pump it before each shot, just like a real shotgun. The overall length is 29" this gun does have adjustable hop up for increased accuracy. A small pack of 50 BBs is included. Ammo capacity is 30 BBs.