Videos tagged with MUP-1

This guide details the process of building a custom Sig P320 X5 Legion from an 80% MUP-1 module. The build focuses on achieving a flatter shooting platform than the stock X5 Legion by incorporating specialized aftermarket parts like a Norso slide, Faxon barrel, PMM compensator, and DPM recoil system. The expert-level instruction highlights the importance of precise assembly and component selection for optimal performance, including a refined trigger pull between 3.1-3.5 lbs.