PTR 91KFI — G3-pattern roller-delayed rifle combining folding stock with improved iron sights. The "I" suffix denotes enhanced iron sight configuration over the standard KF model. Semi-auto, cold hammer-forged barrel. Type: Rifle Action: Roller-Delayed Caliber: 7.62x51mm NATO Capacity: 30 Year introduced: 2012, USA Weight: 100 oz Overall length: 40" Status: Active Intended use: sport, self_defense