Sig Sauer P320 Full Size 9mm Luger 4.7" 10+1 Optic Ready Semi-Auto Pistol

The Sig Sauer P320 Full Size is a modular, striker-fired semi-automatic pistol chambered in 9mm Luger, built around a black polymer grip frame that keeps carry weight manageable while keeping ergonomics consistent. The full-size grip module and full-length slide balance handling for everything from range drills and training to home-defense duty, with a generous sight radius for accurate shot placement.

Up top, the slide wears a black Nitron finish and is engineered to be optic ready, with a removable plate system that accepts today's most popular reflex optics directly without custom milling. Front and rear serrations make press checks and manipulations easy, and a 4.7" carbon steel barrel with a DLC coating pairs with SIGLite front and rear night sights for fast, intuitive aiming in daylight or low light. The pistol ships with two 10-round double-stack magazines for a total 10+1 capacity, weighs roughly 29.5 oz unloaded, and uses an integrated striker safety built into the trigger assembly in place of a manual thumb safety.

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