The Sig Sauer P320 Subcompact X-Grip Mag Adapter, adapts the Higher Capacity Sig P250 & P320 COMPACT Mags to fit in the Sig P320 Subcompact model. Plus lengthens the grip area to give you a more effective grip on it’s smaller frame and increases the round capacity by adapting the higher capacity Sig P250 and P320 COMPACT magazines for use in the Sig P320 Subcompact. Easy to install with no tools required… Simply slide it over the top of the longer magazine to fill in the gap where the magazine sticks out of the frame which enhances the look as well as your grip. Works great for conceal and carry use. Made of durable elasticized polymer, which is soft to the touch.