Truly customize the fit of your P320 or P250 in seconds with this ergonomic polymer grip module. Simply install your P320/P250 firing control unit into one of several different sized or colored Grip Module Assemblies for a custom feel. There are multiple grip sizes to choose from to accommodate different hand sizes; including Small, Medium or Large modules. This provides optimal grip circumference and control access for any hand size. Requires the 9mm, .357 SIG or .40 auto slide and barrel. FeaturesFactory Sig Sauer partLightweight designCustomized for a variety of hand sizesMagazine release included