Fx Airguns Crown MKII STD 500mm AIr Rifle – 5.5mm, Walnut


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Fx Airguns Crown MKII STD 500mm AIr Rifle – 5.5mm, Walnut

Experience true power when using the Fx Airguns Crown MKII STD 500mm AIr Rifle – 5.5mm Walnut . This Air Rifle features a 28% larger plenum and has a fill pressure of 350bar. The rifle itself has been built with a comfortable body allowing all shooters comfort when using the rifle.

The increased power available in the MKII comes down to a combination of valving, porting, and plenum space. The plenum of the FX Crown MKII has increased 28% over the previous model! This larger plenum (the chamber of compressed air located before the transfer port) works in tandem with the porting and a new larger valve on the MKII (6.5mm valve). The combination provides spectacular results.

Other changes to the Crown include a 20 MOA angle built into the Picatinny scope rail. With air-gunners able to shoot at longer distances, this canting of the scope base at the front is what allows for more usable elevation adjustment in the scope at longer distances.



  • Interchangeable calibers and barrel liners
  • Fully shrouded barrel
  • Updated breech block with four barrel set screws for more rigidity
  • Breech block upgrade allows for caliber changes without removing scope
  • Externally adjustable AMP (Adjustable Match Precision) regulator
  • Externally adjustable hammer spring tension
  • 3-step transfer port adjustment
  • Dual pressure gauges: one for air tube pressure, one for regulator pressure
  • Removable 480cc carbon fiber air cylinder
  • Max. fill pressure is 250 BAR (3600 PSI)
  • Two stage adjustable, match trigger
  • Upgraded action with integrated 20 MOA Picatinny rail
  • Adjustable silicone buttpad
  • Adjustable cheekpiece
  • Arca-Swiss accessory rail with Picatinny extension
  • M-LOK T-slot rail on the sides of the Arca-Swiss rail
  • Quick disconnect sling mounts
  • Magnetically secured folding stock
  • Integrated detachable bag rider
  • Male quick disconnect foster fitting



Caliber .22
Maximum Velocity 950 fps
Barrel 500mm
Ammo Type Pellets
Action Side Lever
Barrel Style Rifled
Fire Mode Repeater
Magazine Capacity 18
Mechanism Pre-Charged Pneumatic
Rail Weaver/Picatinny
Safety Manual
Shots Per Fill 145
Trigger Adjustability Two-Stage Adjustable
Use Small Game Hunting/Target Practice

Click here to view our range of FX Air Rifles

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