or the sidearm...which ever you think looks the best...performance wise they should both shot about as many shots of off a 12g...the sidearm may get a few more because it isnt a blow back design, but that is negligable. the only other thing is the sidearm isnt as tall but is longer, and the pt extreme is tall but not as long..other than that there is the price comparision..whihcim not sure of. i dont know which is cheaper. both will serve the purpose u need.