The PTR 91 CS is a compact SBR-configured variant with a collapsible stock and shortened barrel. Designed for close-quarters use while retaining the .308 Win cartridge. Available as a pre-manufactured SBR with the appropriate tax stamp. Type: Semi-Auto Rifle Action: SA Caliber: .308 Win Capacity: 20 Year introduced: 2008, USA Weight: 88 oz Overall length: 33" Status: Active Intended use: Tactical, Collector