Well during the use of the suits in 0083 the mainstay weapons of the GM Custom was a 90mm rifle. It served quite effectively in that role. As a matter of fact you can see it in the opening for that series "The Winner!" You can see it briefly at about the 1:30 mark.<br/><br/>Edit: Or see it here.<br/>(https://elliquiy.com/elluiki/images/thumb/e/e4/RGM-79N_GM_Custom_-_90mm_GM_Rifle.jpg/800px-RGM-79N_GM_Custom_-_90mm_GM_Rifle.jpg)<br/><br/>https://youtu.be/5CK7YKjMVB0<br/>