Sledgehammer shotgun is a vehicle part in Crossout.
Can be built from Lunatics workbench.
The Sledgehammer has 9 different perks that can be obtained at the fusion workshop. Don't forget you can only have one perk per item at the same time, it might take more than 1 fusion to get the perk that you want.
-Part structure increased by 10%
-Maximum range increased by 10%
-Optimal range increased by 10%
-Damages increased by 5%
-Recoil reduced by 15%
-Speeds up aim time by 15%
-Spread reduced by 10%
-Time to overheat increased by 10%
-Cooling time reduced by 10%