The ZEV OZ9V2 Combat is optimized for durability without compromising on performance. Built with ZEV's windowless OZ9V2 Combat slide PRO match barrel and PRO Curved Face Trigger the OZ9V2 Combat is tailored to meet the stringent requirements of the discerning professional user. Now offered with an FDE slide and FDE grip.OZ9V2 slides are a hybrid design that combine upgraded Gen5 internals and Gen5 barrels with a Gen3 recoil system.ZEV's patented compact steel receiver is the serialized component that can easily be interchanged between grip sizes with the removal of a single pin. The trigger is housed in the steel receiver allowing for grip changes without completely breaking down the pistol.