The SIG 1911 Fastback Nightmare Carry reduces the Nightmare 10mm to a 4.25-inch Commander barrel with the same bobtail frame, creating one of the most carry-optimized 10mm 1911 options SIG has produced. Type: Semi-Automatic Pistol Action: Single-Action Caliber: 10mm Auto Capacity: 8 Year introduced: 2016, USA Weight: 37 oz Overall length: 7.75" Status: Discontinued Intended use: concealed_carry, self_defense