This mod comes with both the bloody face mod and a new shooter housing, Mod is made from resin and hand painted with added blood paint. This mod comes attached to a new shooter housing. To install remove your factory shooter rod and then the factory shooter housing. Next install the mod using the same factory screws you just took out of the shooter housing. Once installed reinstall your shooter rod. The mod covers the machines leg a little. If you need to remove the leg be sure to slide the leg out to the right as not to hit the mod.