FX King PCP Air Rifle, GRS Green Mountain

The FX King with GRS Green Mountain stock gives you a PCP air rifle with flexible features for quick and repeatable tuning adjustments. Based on the legendary innovative technology from the FX lineup, this air rifle will give you astonishing performance for hunting, with an unbeatable combination of high power for taking big game and a high shot count that lets a fill last all day.

This air rifle gives you a premium GRS Green Mountain stock from the famous Norwegian company, so you get tool free adjustments like the adjustable rubber recoil pad and ambidextrous adjustable cheekpiece, plus the offset and angled ergonomic GRS grip. You get the flexibility to customize the tune for different uses because of adjustable features like the Quick Tune System for macro and micro adjustments to the hammer spring tension.

The FX King makes it easy for you to keep an eye on the performance of every shot without losing your aim because it gives you dual angled Wika gauges on the block: one for regulated pressure and one for bottle pressure. You also get steady performance and power with a rigid barrel because of the Dynamic Block, the over the barrel Dynamic Plenum, and the AMP MKII regulator.

With the 500 version of this air rifle, you get a Superior STX barrel liner for excellent power and a high shot count, and the 600 version gives you a Superior Heavy STX barrel liner for even more speed and power. Both versions give you the flexibility you need, with the ability to use both slugs and pellets with precision thanks to the improved valving compared to earlier versions.

This airgun lets you get better precision at long distances because it has a Picatinny scope rail with a 30 MOA (9 MIL) angle to it, plus marks on the right side of the rail that help you quickly reposition your scope. You also get Picatinny accessory rails on both sides of the forearm so you can add accessories like lights and lasers.

The FX King PCP Air Rifle with GRS Green Mountain stock builds on the legacy and technological innovations of past FX air rifles to create an instant classic. With a focus on maximizing hunting results, this airgun includes the renowned FX tuning adjustments that help shooters get the best performance possible for a specific projectile and situation.

This airgun uses a GRS Green Mountain stock from the renowned Norwegian manufacturer that includes tool-free adjustments such as an ambidextrous adjustable cheekpiece and an adjustable rubber recoil pad, in addition to the angled and offset ergonomic GRS grip. The air rifle also provides a number of adjustable features, including the two-stage adjustable match trigger and Quick Tune System for macro and micro adjustments to the hammer spring tension.

The 500 model of this air rifle uses a barrel with a Superior STX barrel liner, and the 600 model uses a Superior Heavy STX barrel liner, both of which produce accurate shots and balance a high shot count with impressive power. This combines with the improved valving compared to older designs and allows it to excel at using both pellets and slugs, a versatility that is especially useful for hunting.

The FX King comes with dual angled WIKA gauges on the block, which makes it very easy to monitor both the bottle pressure and the regulated pressure without having to move or turn the air rifle. The AMP MKII regulator works in concert with the over-the-barrel Dynamic Plenum and the Dynamic Block to provide incredibly consistent performance from each shot every time.

The Picatinny optics rail on this air gun includes a 30 MOA (9 MIL) angle to deliver improved long-range accuracy, and it has markings on the right side of the rail to help with quickly repositioning optics. The air rifle also has Picatinny accessory rails on both sides of the forearm for adding items such as lasers and lights.

The FX King 600 Green Mountain Camo is a remarkable PCP air rifle. Built on the foundation of the FX Dynamic, the King model distinguishes itself with a GRS stock and a 9 MIL/30 MOA scope rail, making it perfect for long distance shooting.

GRS stock
One of the standout features of the FX King 600 Green Mountain Camo is its GRS stock. The Norwegian firm GRS is well-known for their ergonomic and multi-adjustable laminated stocks. Being laminated, the stocks are less susceptible to slight warping, as normal wooden stocks can be under influence of temperature and humidity. This makes for a higher accuracy. Both the cheekpiece and the butt stock can be adjusted in fine steps without the need for tools. Two easy to operate push buttons are integrated in the stock design. And have you seen the grip? With finger grooves and slight angle, this must be the most ergonomic FX-stock to date.

Impressive engineering
The FX King 600 Green Mountain Camo showcases exceptional engineering, meticulously designed to facilitate optimal airflow. All its components work in perfect harmony, ensuring swift and efficient air delivery the moment you squeeze the trigger. Let’s explore the key engineering highlights:

Regulator: The single AMP MKII regulator stands out with its dedicated pressure gauge and precise adjustability. It enables you to fine-tune the pressure derived from the 250-bar bottle (480 cc, equipped with its own pressure gauge) to achieve the ideal plenum pressure for your chosen ammunition.

Plenum: Inside the plenum, regulated air is readily available for the next shot. The FX King features a substantial 156 cc Magnum XL plenum around the barrel, providing plenty of air for even the largest and heaviest slugs.

Block: The air rifle boasts an extra-large breech in the block, designed to accommodate slugs up to 13 mm in length. This is a strategic move, as the FX King is optimised for slug usage. The High Power/Short Impulse one-piece valve inside the block ensures a significant and rapid airflow.

Quick Tune System: Fine-tuning is made easy with the hammer spring preload adjustment, featuring macro and micro adjustments. With the macro adjuster, you can make quick progress without the need for prolonged turning of the wheel. After that, you can start finetuning with the micro adjuster. A clear scale enables precise setting selection.

Superior STX: The renowned Superior STX barrel system includes a changeable Superior STX Heavy liner with externally pressed rifling. This meticulous design ensures a smooth interior barrel surface and perfect sealing around the projectile.

Functional design
Every aspect of the FX King 600 Green Mountain Camo design is dedicated to achieving ultimate accuracy over medium to long distances, with a very strong focus on ergonomics. The adjustable 2-stage match trigger is known for its refinement, offering angle, distance and height adjustments for the blade. And of course, the two stages can be adjusted to suit your preference.

For those who prefer, the short throw cocking lever can be switched from one side to the other. The PCP rifle features two Weaver/Picatinny accessory rails on the sides to mount accessories such as a light or bipod legs.

To meet the requirements of long-distance shooting, the FX King includes a 9MIL/30 MOA Weaver/Picatinny scope rail that slightly slants forward. This feature expands the adjustment range of your rifle scope for long-distance shots.

Please note: The FX King 600 Green Mountain Camo comes pre-adjusted in an average state of tuning for average use. The maximum power stated in the specifications can be reached by using the multiple adjustment options on this air rifle, combined with the optional available tungsten hammer.