The PTR 9KT is the pistol-configuration MP5K clone with an 8.86-inch barrel, the closest US production equivalent to the HK MP5K in terms of barrel length and manual of arms. Classified as a pistol without a stock. The roller-delayed blowback mechanism and MP5K geometry are authentic. A popular NFA SBR starting point for buyers who want the MP5K configuration at new-production price. Type: Pistol Action: Semi-Automatic Caliber: 9mm Capacity: 30 Year introduced: 2014, USA Weight: 135 oz Overall length: 13.5" Status: Active Intended use: collecting, nfa, sporting