To further the FX Impact’s ability with slugs and other heavy projectiles, FX Airguns released the FX Impact Slug Power Kit. This simple kit brings some key modifications to the rifle to maximize the power and accuracy potential of the Impact, especially when using slugs.
Installation of the FX Impact Slug Power Kit does involve some level of competence with working on your FX Impact. An Ernest Rowe Master Class video is being released in conjunction with the kit to help shooters who want to work on their own rifle. Those that do not feel comfortable with the work can contact us for installation.
*INCORRECT INSTALLATION AND USE WILL VOID WARRANTY*
Increased velocity is achieved through a tungsten hammer weight that replaces the factory hammer. The added mass allows for greater hammer spring compression, delivering more energy. Paired with this is a lighter valve return spring, which keeps the valve open slightly longer—allowing increased airflow and improved propulsion of heavier projectiles.
The kit also features an adjustable pin probe, allowing you to fine-tune seating depth for optimal accuracy. Its design further improves airflow to the projectile. The included probe is configured for .22 caliber and comes with two sleeves to convert it for use with .25 and .30 calibers.
A rubber ball is included for specific applications in MK1 models only. If you have any questions, please contact us for assistance.


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