SKU: 23190308671

Fx Airguns FX King GRS GMC

Sale price$1833.30 Regular price$2037.00
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Ships within 48 hours · Estimated delivery Jul 18 - Jul 23

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Description

Fx Airguns FX King GRS GMCA King has been crowned With the all new FX King FX Airguns keep pushing boundaries and keep innovating in a multitude of ways. The FX King is a powerful and pure hunting rifle ready to dominate the hunting fields. Proven Block At its core, the FX King inherits the same true and tested block of the Panthera Dynamic that's capable of delivering a huge amount of power and energy. The FX king is an awesome pellets shooter without a doubt, but where it

A King has been crowned

With the all-new FX King FX Airguns keep pushing boundaries and keep innovating in a multitude of ways. The FX King is a powerful and pure hunting rifle ready to dominate the hunting fields.


Proven Block

At its core, the FX King inherits the same true and tested block of the Panthera/Dynamic that's capable of delivering a huge amount of power and energy. The FX king is an awesome pellets shooter without a doubt, but where it really excels is shooting slugs, thanks to its slug-based design and innovative valving. All while maintaining a slim and beautiful look as it sits in a custom-tailored GRS stock.


Over-the-Barrel Plenum System

With the large innovative over-the-barrel plenum system like you can find on other FX models the FX King can use the big volume to its advantage. Whether you want to shoot pellets or heavy slugs the FX King can handle it all while maintaining a sleek look in a traditional sporter stock.


Optimally Positioned Gauges

Dual-angled high-precision Wika gauges are set to monitor the bottle and regulator pressures. This way you can keep track of both pressures while shooting, even from the shouldered position out hunting. All so you won't miss that all-important shot.


Quick-Tune System

It is impossible to imagine a powerhouse like the FX king without the ability to tune it the way you want. Therefore, the quick-tune system was a must and is seamlessly integrated into the ergonomic GRS rifle stock. Adjustments can be made quick, repeatable, and precise.


Accessory-Ready

Even though this is a very classic sporter rifle we know you would love to mount accessories. So we have created accessory Picatinny rails on both sides of the FX King with the possibility to mount torches, bipods and more.


Handles Pellets & Slugs

With the deep magazine design adopted from the Panthera/Dynamic, the King can handle any kind of ammunition you throw at it up to 13 mm in length, pellets of any kind, shorter lighter slugs or heavy longer slugs are no problem.


30MOA Picatinny Scope Rail

All that is topped with a Picatinny scope rail that is 30MOA angled allowing you to have more usable elevation adjustments on your scope and reach out to longer distances with ease.


GRS STOCK

The King sits in a custom-tailored GRS stock, just like you would expect a King to wear a fine-tailored suit. Available in three superb colour options.

The Norwegian stock-making company GRS builds highly adjustable ergonomic laminate stocks with features like tool-less adjustments, a broad for-end and an ergonomic GRS grip, offset and angled, offering unsurpassed shooting comfort making the King stand out among the rest!


Comes with Hard Case

The FX King comes to you in a nice hard case with custom-cut foam that fits like a glove protecting your new rifle in transport and storage.

Right or Left-hand Available

Specification Chart
COCKING SYSTEM

Right hand positioned sidelever with ambidextrous mount to relocate
sidelever on left side for lefthanded shooters

MAGAZINE TYPE

Removable high capacity, easy load.
Newly developed deeper lid to accommodate longer length slugs.
Maximum ammunition length, 13 mm (0,51‚Äö√¢)
Made in durable injection-moulded POM
21 shot when Cal .177
18 shot when Cal .22
16 shot when Cal .25
13 shot when Cal .30
10 shots when Cal .35

STOCK

GRS Laminate stocks
Adjustable cheek piece
Adjustable recoil-pad
Tool-less adjustments
Ergonomic grip
Colours:
Green Mountain Camo
Nordic Wolf Laminate
Brown

CALIBRE 4,5 (.177)
5,5 (.22)
6,35 (.25)
7,62 (.30)
9,00 (.35)
BARREL

500: Superior STX barrel liner
600: Superior Heavy STX barrel liner

SHOT CAPACITY

500:
4,5 (.177) N/A
5,5 (.22) 180 shots with 15.89 gr pellet at 900 fps
6,35 (.25) 90 shots with 25.39 gr pellet at 900 fps
7,62 (.30) 70 shots with 44.75 gr pellet at 860 fps
9,00 (.35) 30 shots with 81 gr pellet at 840 fps
600:
4,5 (.177) N/A
5,5 (.22) 128 shots with 22 gr hybrid slug at 900 fps
6,35 (.25) 96 shots with 26 gr hybrid slug at 900 fps
7,62 (.30) 56 shots with 44,5 gr hybrid slug at 900 fps
9,00 (.35) 26 shots with 68 gr hybrid slug at 900 fps

FILL PRESSURE

Max 250 bar (3625 psi)

SAFETY Switch style
OPTICS

Picatinny rail with built in 9 MIL/30 MOA angle
Marked with figures on the right side for easy repositioning of optics

MUZZLE

Built-In Shroud system (variations may occur depending on country)

PRESSURE GAUGE

Dual Angled Gauges:
Air tube pressure WIKA
Regulator pressure WIKA

TRIGGER

Adjustable Match Trigger
Trigger blade can be adjusted in reach, height and rotated to set the blade in an angle

VELOCITY N/A
ENERGY

500:
4,5 (.177) N/A
5,5 (.22) up to 70 ft/lbs with 34gr slug at 960 fps
6,35 (.25) up to 80 ft/lbs with 43.5gr slug at 910 fps
7,62 (.30) up to 110 ft/lbs with 64gr slug at 880 fps
9,00 (.35) up to 135 ft/lbs with 81gr pellet at 865 fps
600:
4,5 (.177) N/A
5,5 (.22) up to 82 ft/lbs with 34gr pellet at 1040 fps
6,35 (.25) up to 91 ft/lbs with 43.5gr slug at 970 fps
7,62 (.30) up to 130 ft/lbs with 64gr slug at 1020 fps
9,00 (.35) up to 173 ft/lbs with 93gr slug at 915 fps
Note: above figures are maximum FAC Power output using tungsten hammer.

AIR CAPACITY

480 cc air cylinder + plenum volume

AIR CYLINDER

Carbon fibre wrapped air tank, removable

LENGTH 500: 970 mm
600: 1075 mm
WEIGHT 500: 3,45 kg
600: 3,6 kg
CHARGING

Rear Foster Quick Disconnect, dust cap included

MORE FEATURES

AMP MkII Regulator
Externally Adjustable
Quick Tune System
Micro & macro adjustment of hammer spring tension
Dual accessory rails
Picatinny on both sides
Comes delivered in a tailored cut out case

PLENUM

500: Macro Plenum 62 cc
600: Magnum XL Plenum 156 cc

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 23190308671

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4.1 ★★★★★
Based on 6 reviews
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Crystal Knapp
Port Orchard, US
★★★★★ 5
Finally, a sturdy oversized ball my boy can't destroy! And can pick up easily
This is just wonderful! My dog has destroyed all other balls! I think this is finally one he cannot destroy. And I love the holes so he can pick it up and throw it himself. LOL. And it BOUNCES, bringing him endless joy and skill in catching it. Cause you don't know which way it will bounce off the ground. Oversize was just right for him. Glad to have found this great sturdy ball.
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Reviewed in the United States on April 29, 2026
K
Verified Purchase
Kristi V.
Boise, US
★★★★★ 4
Almost perfect...upraised logo should be left off
This toy is great for relentless chewers with strong jaws! It would be almost perfect if it didn't have a "K9" logo in raised rubber on it. That is the place that my aggressive chewer shepherd/bulldog mix focuses on and is able to get small chunks off. Without that logo, he would chew the ball more evenly, instead of fixating on that one spot. He loves this ball and has chewed on it for about an hour off & on each of the 11 days he has had it. Although it is very durable so far, the flaw is the upraised logo.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 22, 2026
R
Verified Purchase
Ryan
Carnegie, US
★★★★★ 5
Perfect for High-Drive Dogs & Surprisingly Durable (six month review)
I use this ring ball for structured fetch and tug sessions with my high-drive German Shepherd mix (91 lbs. at 10 mon.), and it’s easily the best toy we’ve added to our routine. What makes it truly exceptional is how it allows my dog to engage in the full canine predatory sequence: • Chase: He locks in visually and bolts after the ring when I throw it. • Grab & Hold: He brings it back, pins it against my leg, and bites down firmly (the toy—not the leg!)—his way of acting out the natural catch-and-control behavior. • Unalive & Tug: We finish with a strong tug session, which satisfies his instinct to grip and shake—basically his version of “making the toy unalive.” • Settle & Chew: Afterward, he relaxes with a chew toy or eats—completing the full physical and mental cycle in a healthy, balanced way. Durability is outstanding—this toy stands up to intense tug sessions with no tearing or damage, even with a 91 lb powerhouse. My senior dog also joins in for double tug play, and it holds up beautifully to that too. I don’t leave this toy down for chewing—it’s not a chew toy. I use it specifically for fetch and tug, then put it away when we’re done. This keeps it exciting and extends its lifespan. My dog has other chew toys he can use freely throughout the day. This isn’t just another fetch toy—when thoughtful it provides a structured, instinct-satisfying experience that’s mentally enriching and physically engaging. If you have a high-drive or working breed, or a dog who thrives on interactive play, this ring ball is 100% worth it.
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Reviewed in the United States on March 30, 2025
A
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Arnie
Phoenix, US
★★★★★ 5
Good Toy
Pattern Name: Pull Monkey
Good quality. My dog loves it and it’s holding up to his attacks. It’s also adorable and cuddly. The rope part is sturdy.
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Reviewed in the United States on May 20, 2026
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Verified Purchase
Angela Chestnut
Bozeman, US
★★★★★ 5
Great value, durable with a great squeaker!
Pattern Name: Pull Monkey
Durable dog toy! She loves playing tug of war!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 16, 2026

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