The SIG P320 family brings all of the features of the X series of pistols into a carry-style handgun in 10mm Auto for shooters and hunters looking for performance to the power of 10. The P320 XTEN comes standard with a 5″ bull barrel, XRAY3 day/night sights, and an X optic ready slide with front and rear serrations. To reduce the recoil, a completely redesigned X polymer grip module provides a strong stippled finish and makes shooting comfortable for any type of round. Optic ready slide is compatible with Romeo2 and Trijicon RMR (requires sealing plate), Includes two 10rd magazines.