The P320 RX Full-Size applies the factory Romeo1 optic and suppressor-height SIGLITE sights to the full-size 4.7-inch P320 variant. It provides the most sight radius available in the P320 RX family and was adopted by several law enforcement agencies as a factory optic option before dedicated optic-cut slides were released. Type: Semi-Automatic Pistol Action: Striker-Fired Caliber: 9mm Luger Capacity: 17 Year introduced: 2016, USA Weight: 29.4 oz Overall length: 8" Status: Active Intended use: duty, law_enforcement, competition