DPM FN 509 LS Edge 5'in Barrel Adjustable Mechanical Recoil Reduction System MS-FNH/8. This high-end tech system works due to the multi-spring intricate rod (2 springs) in combination with the 4 external springs that work as buffer and controls the...
DPM FN 509 LS Edge 5'in Barrel Adjustable Mechanical Recoil Reduction System MS-FNH/8. This high-end tech system works due to the multi-spring intricate rod (2 springs) in combination with the 4 external springs that work as buffer and controls the...