There’s no dark art to filling the air cylinder, just remember two simple rules: fill the rifle slowly and keep everything free of dust and grit. 1. Male and female adapters PCPs are filled using male and female adapters. All…
The inefficiency of a standard knock-open valve results in some PCP guns having a power curve over the duration of their air charge. However, Phil Bulmer looks at how one engineer solved it for British PCP gunmaker, Daystate