HEPHAESTUS Enhanced Buffer Kit for Umarex / KWA HK417 GBB Rifle

If you are looking for more stock kick on your sholder , you may think first make your own buffer. I searched about it deep but in the end i choised buy one. Because the buffer isnt only one piece. It consists of several parts and its very hard produce all of them perfecty. So i advise you enhance kit for your umarex 417. This bufffer is 180 gr. Stock 417's buffer is just 51 gr. So if we make simple physics and math , this buffer make almost 2x more momentum. And WGC's offer is good cost of this kick power. You dont need produce yourself on hardest way.