A brief history of spring-piston airguns
by B.B. Pelletier This one is for Airdog. Spring-piston airguns are one of the newer types of powerplants, coming into being about 1840. The first spring-piston guns were long guns that used volute springs instead of helically coiled springs to drive the piston. Take your belt and wind it into a tight coil on a … Read more