In this how to John walks us through how to convert your existing JP Silent Capture 9mm recoil system to Short Stroke. These upgrade kits are available for sale at https://www.shootersconnectionstore.com/JP-9mm-Short-Stroke-Conversion-Kit–P5480.aspx

or as an already assembled kit at https://www.shootersconnectionstore.com/JP-9mm-Silent-Captured-Spring-Gen-2-Short-Stroke-Version-P5332.aspx