GC_UPC Sig Sauer, Inc. P320 X-Series Xten 10mm Auto Handgun - P320 Xten 10mm Auto Optic Ready 5" Bbl (2)15rd Striker Black $849.99 320X5-10-BXR3-R show more like this $10.00 Brownells GC_UPC P320 XTEN Compact | 10mm | Night Sights | 15rd Pistol $949.99 320XCA-10-COMP show more like this $17 - $25 on most Firearms Recoil Gunworks LLC