Sig Sauer P320-XTEN, Semi-automatic, Striker Fired, Polymer Frame Pistol, Full Size, 10MM, 5 Barrel, Nitron Finish, Black, SIG-LOC Pro Red Dot, XRAY3 Day/Night Sights, X Full Size Polymer Grips, 15 Rounds, 2 Magazines 320X5-10-BXR3-RXSL This addition to the SIG P320 family brings all of the features of the X series of pistols into a carry-style handgun in 10mm for shooters and hunters looking for performance to the power of 10.