The SIG Sauer P320-XTEN is a high-performance handgun designed for shooters and hunters who require the power of a 10mm cartridge. It features a 5" bull barrel, which enhances accuracy and durability, and an optic-ready slide that is compatible with the Romeo2 and Trijicon RMR optics (requires a sealing plate). The slide also includes front and rear serrations, making slide manipulation easier. This model is part of the P320 X-Series, known for precision and user-focused enhancements, and offers the adaptability and power necessary for a range of shooting scenarios. The P320-XTEN introduces a completely redesigned X-series grip module, optimized for the 10mm and .45 Auto cartridges. It is designed with improved ergonomics and stippling for a secure grip, minimizing felt recoil even with powerful rounds. The pistol comes equipped with XRAY3 day/night sights for improved visibility in all lighting conditions and includes two 15-round magazines. Notably, the flat X trigger breaks cleanly at 90 degrees, providing consistent and reliable performance. However, it is important to note that this model is only compatible with parts and accessories for the 10mm and .45 Auto calibers, and does not support 9mm, .357 SIG, or .40 S&W components.