Fx Impact Tensioner Kit - 700mm With Front SupportIntroducing the FX Impact Slug Power Kit, designed to maximize the performance of your FX Impact air rifle when using slugs. This kit includes essential components such as a 5. 5 mm (. 22) adjustable pellet probe and a Tungsten Hammer Weight (not yet visible on the product picture) with included bushes for compatibility with 6. 35 mm (. 25) caliber. The adjustable pellet probe allows you to fine tune the seating position of slugs, optimizing accuracy