Not true drop in - Faxon Firearms Flame Fluted Smith & Wesson M&P 2.0 Compact 9mm Pistol Barrel

I just received this in the mail excited to install this on to mh Carry piece alongside the strike industries micro quad comp. The barrel will not fit in without a bit of force and i cannot even put the slide on my gun due the barrel sitting in soo tight. Im afraid that this will require work from a gun smith to fit this properly .