FX King PCP Air Rifle (Synthetic Stock) 600mm

An Instant Classic, Built for the Hunt — Dynamic Block & Plenum | AMP MKII Regulator | Big-Bore Power | Two Barrel Lengths

Legacy meets innovation. The FX King PCP Air Rifle with synthetic stock builds on the technological innovations of past FX air rifles to create an instant classic. With a focus on maximizing hunting results, it includes the renowned FX tuning adjustments that help shooters extract the best possible performance for a specific projectile and situation.

High power, short impulse. The new high-power Dynamic Block valve works in concert with the over-the-barrel Dynamic Plenum and the AMP MKII regulator for incredibly consistent performance—shot after shot after shot.

Why Choose the FX King Synthetic?

• ✅ Hunting-Optimized Power — Up to 173 FPE in .35 caliber
• ✅ Dynamic Block Valve — High-power, short-impulse design
• ✅ Over-the-Barrel Dynamic Plenum — Consistent, efficient output
• ✅ AMP MKII Regulator — Externally adjustable match precision
• ✅ Quick Tune System — Macro & micro hammer-spring adjustment
• ✅ Superior STX / Heavy STX Barrel — Excels with pellets and slugs
• ✅ Dual Angled WIKA Gauges — Read both pressures without turning the rifle
• ✅ 30 MOA (9 MIL) Picatinny Rail — With repositioning markings
• ✅ Dual Forearm Accessory Rails — For lights, lasers & more
• ✅ Removable 480cc Carbon Fiber Bottle
• ✅ Reversible Side Lever (with compatible stocks)
• ✅ Tool-Free Adjustable Recoil Pad
• ✅ Includes Tailored Cut-Out Case

Description

The FX King PCP Air Rifle with a synthetic 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.

Adjustable & Ready

This airgun has a synthetic stock with a tool-free adjustable rubber recoil pad, plus a number of adjustable features including the two-stage adjustable match trigger and the Quick Tune System for macro and micro adjustments to hammer spring tension.

Two Models, Serious Versatility

The 500 model uses a Superior STX barrel liner, while the 600 model uses a Superior Heavy STX barrel liner—both producing accurate shots that balance a high shot count with impressive power. Combined with improved valving over older designs, the King excels with both pellets and slugs—a versatility especially useful for hunting.

Effortless Monitoring & Consistency

The FX King comes with dual angled WIKA gauges on the block, making it easy to monitor both bottle pressure and regulated pressure without moving or turning the 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 every shot.

Long-Range Optics Ready

The Picatinny optics rail includes a 30 MOA (9 MIL) angle for improved long-range accuracy, with markings on the right side to help quickly reposition optics. Picatinny accessory rails on both sides of the forearm let you add lasers, lights, and more.

Performance by Model

Shots Per Fill (from 250 BAR)

Max Energy (FPE)

Size & Weight

Specifications

Key Features in Detail

• Big-Bore Hunting Power — Up to 173 FPE in .35 caliber, with the versatility to run pellets or slugs.
• Consistent by Design — The Dynamic Block valve, over-the-barrel Dynamic Plenum, and AMP MKII regulator deliver shot-after-shot consistency.
• Two Purpose-Built Models — The 500 with Superior STX for balance, the 600 with Superior Heavy STX and Magnum XL plenum for maximum power.
• Tune Your Way — The Quick Tune System offers macro and micro hammer-spring adjustment, plus a two-stage adjustable match trigger.
• Effortless Readouts — Dual angled WIKA gauges let you check bottle and regulated pressure without turning the rifle.
• Long-Range & Accessory Ready — A 30 MOA (9 MIL) Picatinny rail with repositioning markings, plus dual forearm accessory rails.
• Field Comfort & Convenience — Synthetic stock with a tool-free adjustable recoil pad, reversible side lever, and a tailored cut-out case included.