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FX Panthera MKII — 700mm Barrel — .22 Caliber PCP Air Rifle — Black
A dedicated slug rifle, purpose-built to win.
The FX Panthera MKII in .22 caliber with the 700mm barrel is the next evolution of FX's competition-bred Dynamic Block platform. Unlike a general-purpose air rifle, the Panthera was designed from the ground up as a dedicated precision slug rifle — built to deliver .22LR-style consistency and straight-back recoil, with the power and tunability that have made it a serious contender across PRS, hunting, and benchrest disciplines.
Key Specs (.22 Cal, 700mm Barrel, Black)

Caliber: .22 (5.5mm)

Barrel length: 700mm

Magazine capacity: 18 rounds (Side Shot mag, deep lid for long slugs)

Max energy: Up to 100 FPE

Shots per fill: Up to 40 (700mm config)

Action: Reversible side-lever, repeater

Power plant: Pre-charged pneumatic (PCP), 300cc carbon fiber bottle

Trigger: Quick Set Trigger — 3-in-1 configurable system (first introduced on the Impact M4), fully adjustable two-stage

Regulator: AMP MKII (Adjustable Match Precision), externally adjustable

Block: Dynamic Block (MKII) — reinforced front stock with multiple anchor points and alignment pins for barrel/block/scope-rail rigidity

Barrel liner: FX Superior Heavy STX (purpose-built for slug shooting)

Pressure monitoring: Dual angled manometers (regulated plenum + bottle pressure, visible without moving the rifle)

Stock: Zero-angle AR grip, fully adjustable buttstock, adjustable reversible cheekpiece — true ambidextrous layout

Accessory rail: 14.75" ARCA rail with M-LOK sections, barricade block at the breech

Finish: Black

Why Shooters Choose the Panthera MKII

Built for slugs, not adapted for them. The Dynamic Block, over-the-barrel Dynamic Plenum, and Superior Heavy STX liner are purpose-engineered around slug performance — not a pellet rifle retrofitted to handle them.

Genuinely ambidextrous. Reversible side-lever and reversible cheekpiece mean left- and right-handed shooters get the same level of fit and function.

Next-level rigidity. The MKII's reinforced front stock design grips the block at multiple points, virtually eliminating flex and improving shot-to-shot repeatability under recoil.

One trigger, three personalities. The Quick Set Trigger lets you reconfigure trigger character to match your discipline — without swapping parts.

Competition pedigree. Originally built to win .22LR-style precision rifle competitions, the Panthera platform has since proven itself across PRS, hunting, and benchrest.

At-a-glance pressure monitoring. Dual manometers mean you always know your air state without breaking position.

What's in the Box

FX Panthera MKII rifle (.22 cal, 700mm barrel, Black)
Magazine
Owner's manual
Brand:FX AirgunsCategory:Air RifleSKU:P-FX-0076Tags:.22 (5.5mm) - Air Rifle, Air Rifles, latest, Precharged Pneumatic (PCP)