The Tyrant Designs Sig Sauer Rear Slide Cap for the Sig P320 is a 3D CNC machined backplate with a chevron design and chamfered edges. Meant for the Sig Sauer P320 and made from aerospace-grade aluminum, this anodized backplate adds a subtle but sophisticated appearance to your P320 Sig. Mix and match it with our other Sig Sauer components, or let it stand alone as the final touch to your Sig Sauer.