Tinkering with airguns and doing light repairs will come naturally to many shooters, who quickly learn to appreciate how even seemingly insignificant parts have an important role to play. Take the example of a simple flat spring: with some air pistols, and especially CO2 types, if one of these tiny springs is broken or missing, then the gun’s safe and reliable operation can be adversely affected.
Let’s look at the Umarex PPK/s, which is a CO2 pistol that has been around for nearly two decades. Despite its simplicity as a smoothbore BB shooter it’s much loved by airgunners and collectors alike, and amazingly it is still in production. One little spring that
