Probably the most comfortable pistol grip on the market Sig Sauer P320 is not just a pistol - it is a truly modular platform. It allows users to customize their weapon for the task at hand - from everyday carry to competition ready race gun. The modifications are not permanent and all revolve around the unique Fire Control Unit. It is the core of your firearm. All other parts can be changed and modified, giving you endless possibilities. And we think that we just made the most comfortable grip for P320. Many shooters experienced improved results.