The Grayguns Custom Strut System fully supports the main spring, reducing friction, spring bowing, and fatigue. The design eliminates the double-action "crunch" felt in OEM pistols. This complete system also includes their custom P-Series Master Spring Set to help reduce your pull weight for full tuning options.Designed for SIG Sauer P-Series P-Series Traditional DA/SA pistols P220 or P226, P228, P229.Bruce Gray designed their custom P-Series Fat Custom Strut System to help bring another Grayguns custom gunsmithing service to the drop-in parts market.For more than 40 years, Bruce has been modifying factory struts to eliminate the typical double-action crunch caused by the sharp edges and tip of the strut.The custom strut system fully supports the main spring, reducing friction, spring bowing, and fatigue. The struts are cut using a precision EDM process, hand-finished, and heat-treated to the proper hardness.A durable seat that is machined in-house is paired with the upgraded strut....