
FX Crown MKII, GRS Green Mountain Laminate, 600mm Barrel
The FX Crown MKII with GRS Green Mountain Laminate stock is bigger, better and more powerful than the previous model. This version takes the MK II’s base action and places it in a stock made by one of the premier makers of rifle stocks, GRS.
The new AirForce Pro Gunstock is built from a unique GRS laminate stock and features the unique GRS-Slam trigger system. It’s a versatile, well-crafted, and comfortable helmet that offers tons of comfort features, plus tool-free adjustment and a high-quality, angled ergonomic GRS grip.

The FX Crown MKII is a shooting sports dream machine. Its accuracy, reliability, and precision are unparalleled in the industry. If you want the absolute best accuracy in a.22 rimfire caliber rifle then look no further than the FX Crown MKII! If you want to take your shooting to the next level, it starts with the FX Smooth Twist STX Barrel System.
The system allows you to not only change the caliber of the rifle (from.177 up to.30 cal) but also exchange the barrel liner itself to further tailor your barrel’s twist rate and choke to the pellet of your choice. The Smooth Twist X System is housed in a fully shrouded barrel to keep things ultra quiet.
Content
- FX Crown MKII, GRS Green Mountain Laminate, 600mm Barrel
- Adjustability
- Power
- Power Adjuster
- 480 CC Carbon Air Cylinder
- Increase Accurate
- FX Airguns Crown MKII GRS 600mm Specs
Adjustability
Adjustability has no limits with the FX Crown MKII. This air rifle has two pressure gauges to help you adjust the pressure:
If this regulator is left open, the gas flow through it is unrestricted, which may allow excess gas into your system. This is what makes a regulator essential to every system.
The trigger with the adjustable two-stage design is called match grade, and it is a very good trigger.
Power
Fill the gun to the 250 BAR (3,625 PSI) max. and enjoy long and consistent shots from the 480cc carbon fiber air cylinder.
This high quality, two-stage match-grade trigger is fully adjustable for precise shots.
You can simply put a scope on top of the integrated Picatinny optics rail, and then head out to the range.
Power Adjuster
The FX Crown MKII GRS Green Mountain Camo features a Superlight STX (Smooth Twist X) barrel system with changeable liners that have rifling pressed in from the outside, making for minimal friction and minimal tolerances.
It’s a great, reliable system with a unique feature that makes it fun to shoot with—the ability to change the twist rate and even calibre with the flick of your wrist.
480 CC Carbon Air Cylinder
FX Match trigger with adjustable first and second stage and the extremely low trigger weight of 5g. It’s so comfortable to shoot because the pull weight is so low, and the stock is completely finished off by the GSR.
This FX stock is an absolute masterpiece. It’s designed in Norway by a company that’s known for innovative gunstocks.
When the lumber is in the form of planks it can be more easily assembled to make furniture. Laminates are less susceptible to changes in temperature and humidity.
A well-engineered cheek piece is specifically designed to work with the shape of your hand to make the perfect grip. A cheek pad with height of the cheek piece and length of pull can be adjusted without tools, but only by pushing a button.
The recoil damping buttpad is made of soft and flexible rubber.
This air rifle comes with moderate tuning settings, so it is usable for a variety of shooting styles, there are different values that can be shown on the air rifle. You can adjust them using the adjustments options on the air rifle.
Increase Accurate
All pellet styles look the same, but they’re all laser accurate.
The Precision Rifles GRS stock is exceptional. It features excellent ergonomics and is very comfortable for the shooter.
The LASR rifle and the GRS stock are well built and made from a strong and durable composite material, making the rifle both light and strong. Its design is also perfectly quiet for such a powerful rifle.
FX Airguns Crown MKII GRS 600mm Specs

Max Velocity | 930 fps |
Overall Length | 49.0″ |
Buttplate | Rubber |
Function | Repeater |
Weight | 9.6 lbs |
Scopeable | Weaver/Picatinny |
Safety | Manual |
Suggested for | Small game hunting/target practice |
Caliber | .25 (6.35mm) |
Muzzle Energy | 65 ft/lbs |
Loudness | 2-Low-Medium |
Barrel Length | 23.6″ |
Shot Capacity | 16 |
Barrel | Rifled |
Front Sight | none |
Rear Sight | none |
Trigger | Two-stage adjustable |
Action | Sidelever |
Powerplant | Pre-charged pneumatic |
Max Shots per Fill | 110 |
Operating Pressure | 3625 PSI / 250 BAR |
Body Type | Rifle |
Fixed/adj. power | Multiple settings |
Cylinder Size | 480 cc |
Shrouded | Yes |
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