Gunroom

These days, pre-charged pneumatic (PCP) air rifles predominate, with spring-powered models taking second place. As a result, people seem to think that the PCP air rifle is a recent invention. This is not the case. Efficient PCPs have been around for centuries and have only recently eclipsed other types.

Gunpowder was a pretty good propellant, but it had serious disadvantages. It was susceptible to damp, very noisy and gave off