P-Series Enhanced Leverage System (ELS) is designed explicitly for SIG Sauer Classic P-Series DA/SA or DAO pistols (not DAK). Fits the P226, P229 and P228. See below for details, including compatibility for the P220 and P227. The ELS reduces DA and SA pull weights with dramatically improved pull characteristics. It consists of the Curved, Straight or Hybrid Trigger - with dual adjustability for over-travel and DA pre-travel - mated to an enhanced, Custom-Designed Trigger Bar.The Enhanced Leverage System (ELS) - with options for a Curved, Straight or Hybrid Trigger - features dual adjustability for over-travel and double action pre-travel. The trigger kit reduces double-action and single-action pull weights. You will experience dramatically improved pull characteristics without changing springs or spring weight.This system consists of their proprietary trigger options with enhanced geometry features mated to a custom-designed trigger bar. In addition, multiple drop-in options are ava...