No. There was no rifle shopped out. But, Hussein's boyfriend's pants are unzipped and open.
https://wtpotus.files.wordpress.com/2018/06/obama-with-his-pakistani-friend-sohale-siddiqi-in-obamas-109th-st-apartment-1981-ducky-copy.jpg
https://www.fotoforensics.com/analysis.php?id=099184102b956665f1a9da26f5644a4e560bab5e.423093