The PTR 9 CS is a compact SBR configuration of the MP5-pattern PTR 9 in 9mm. Short barrel and collapsible stock combine for a compact package. NFA SBR registration required. The definitive MP5-pattern rifle for the civilian market. Type: Semi-Auto Rifle Action: SA Caliber: 9mm Capacity: 30 Year introduced: 2016, USA Weight: 64 oz Overall length: 27" Status: Active Intended use: Tactical, Competition, Collector