The Ruger PC Carbine 9mm Luger Polyester Stock Rifle features a steel barrel with precise rifling and accessory threading. The polymer stock features a 6-position, telescoping buttstock, an ergonomic pistol grip, an aluminum handguard and slots and rails for AR grips and accessories. Ruger PC Carbine 9mm Luger Polyester Stock Rifle - Rifles Center Fire at Academy Sports