- KING177

king 177FX King .177 Cal. PCP Air Rifle, GRS Green Mountain KING. A king is born. With the all-new FX King we strive to keep pushing boundaries and keep innovating in many different ways.With its blend of cutting-edge technology, precision engineering, and ergonomic desn, the FX King in .177 stands as a testament to FX Airguns' commitment to excellence in the world of hunting rifles. *FAC Versions available upon