An explainer on PCP action types, covering bolt, side lever, semi-auto, select-fire and pump action, with Karma SLS, AEA SF and Megalodon specs.

How a PCP regulator works, why it improves consistency, and how regulator designs from FX, Karma, EDgun and AEA compare.

A plain-English explanation of FPE, velocity and shot count in PCP air rifles, with the FPE formula and real published tune data.