Hello Those are best suited for sub 12 fpe airguns . I have one very similar and shooting it with my Ataman ap16 ( right around 12 fpe) it was hitting the paddles and denting the back severely, so I think a direct strike to the back with either of those guns will go threw. Try a real 22 cal bullet trap and use hanging plates (usually see them on craigslist cheap) Hope this helps Eric