FX Double Dynamic Express Sniper 700mm


The FX Double Dynamic Express Sniper 700mm is a pneumatic rifle built for more than competition. It’s a rifle that wants to hunt. Harnessing technology at the forefront of airgun performance, the Dynamic brings higher air capacity and configurations than its competition focused sister rifle, the FX Panthera. The Dynamic also includes a .35 caliber option that will allow up to 200 ft lbs of energy while maintaining world-class FX accuracy and precision.

This purpose-built slug rifle utilizes its namesake breech block. The Dynamic block has a one-piece, compact, short-impulse/high-power balanced valve which is both extremely efficient while also allowing a tremendous and precise amount of air with each shot. Tuned properly the rifle will achieve low single digit standard deviations, one of just many advantages the FX Dynamic offers.

The block is fed by the cutting-edge Over-The-Barrel Power Plenum, a design only found with FX. This allows multiple plenum lengths to be employed to match the caliber and power of the rifle. This plenum also applies consistent regulated pressure to strengthen barrel rigidity.

The FX Double Dynamic Express Sniper 700mm can be built and offered in multiple configurations: – The Dynamic Express has a 480cc carbon fiber bottle placed directly behind the action with a molded tank cover, cheek rest & butt pad. In front of the action is a 14.75” long Arca rail complete with M-LOK sections, bridge and a barricade block.

The FX Dynamic can be built and offered in multiple configurations:

The Dynamic Express rear 480cc carbon fiber bottle with molded tank cover. Arca rail complete with M-LOK sections, bridge and a barricade block.

The Dynamic Double Express replaces the front Arca rail with an additional bottle. This allows for an immense amount of onboard air storage that can easily surpass 1,000cc of air volume.

The Dynamic AR uses a front placed carbon fiber bottle and replaces the rear bottle with a folding AR stock receiver (AR stock and buffer tube sold separately).

The Dynamic VP rear 400cc aluminum bottle with molded cheek cover.  Ships without a hardcase and front arca rail, leaving it bare for future upgrades or to be configured to shooters needs.


Technical Specifications: 

  • Reversible sidelever
  • 1/2″x20 male threads at the end of the shroud
  • 480cc rear carbon fiber bottle
  • Additional 580cc front carbon fiber bottle
  • 156cc Magnum XL Plenum
  • High-power, short impulse valve Dynamic Block
  • Over-the-barrel Dynamic Plenum design
  • Quick Tune System
  • Fill pressure: 250 BAR/3,625 PSI
  • Max. energy (700)**: 96 FPE (.22), 107 FPE (.25), 150 FPE (.30), 198 FPE (.35)
  • Magazine capacity: 21 (.177), 18 (.22), 16 (.25), 13 (.30), 10 (.35)
  • Includes one standard Side Shot magazine with deeper .51″ lid for longer slugs
  • Superior Heavy Smooth Twist X barrel
  • Superior Slug liner
  • Adjustable hammer tension power wheel
  • AMP MKII (Adjustable Match Precision) regulator
  • 2-stage adjustable match trigger
  • Dual angled manometers: bottle and regulated pressure
  • Picatinny optics rail with 20 MOA cant
  • Vertical textured grip
  • Molded tank cover/cheek rest w/ventilated rubber buttpad
  • Foster Quick-Disconnect fill port
  • Barrel length: 700mm/27.5″
  • Overall length: 47.5″
  • Weight: 7.9 lbs.



.22, .25, .30, .35


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