The Nighthawk Custom GRP (Global Response Pistol) is a duty-oriented full-size 1911 with DuraCoat or Cerakote finish, night sights, and tactical features. Popular with special operations personnel. Type: Semi-Auto Pistol Action: Single-Action Caliber: .45 ACP Capacity: 7 Year introduced: 2004, USA Weight: 40 oz Overall length: 8.7" Status: Active Intended use: Duty, Military, Tactical