Spring or fuel firing mechanism? The two types get the job done through a piston that compresses air and afterwards releases it with every trigger squeeze. The differences will be the types of compressors that they use to power the piston. Spring-powered guns have a spring system in place, although https://guns-for-sale-in-calif98506.fliplife-wiki.com/3956987/top_latest_five_kk_guns_and_ammo_urban_news