Buy FX King GRS Green Mountain PCP Air Rifle | Airgun King

king177p>Introducing the 2025 FX King, a traditional sporter-style air rifle that combines power and adjustability. Featuring a classic laminate stock by GRS and the innovative Dynamic blockSome years ago, I tested over 80 different pellets in about 100 tests including lead-free, composite, and lead covering the range of 4+ to 111+gr in my Diana 54 .177 and my