https://mwo.nav-alpha.com/mechlab?b=6de102e1_MCII-DS Based on normal gauss build just gauss and 2ERML is one 2 HAG40. Edit: this is very hot 4xERML instead https://mwo.nav-alpha.com/mechlab?b=8873e1fb_MCII-DS 2xHAG30 2xERLL 2xERML for no ghost heat from 2xHAG40 https://mechspecs.com/threads/mcii-ds-2xhag30-2xcerll-2xcerml-2xjj-xl320.18642/
Do note that you pick up 8.8 ghost heat with dual HAG40s. https://mwo.nav-alpha.com/mechlab?b=9c555d90_MCII-DS For Krev levels of heat. This is survivable, but will take a long time to cool down. https://mwo.nav-alpha.com/mechlab?b=f08a7f80_MCII-DS WG1 2xHAG40 and left 2xERLL WG2 2xHAG40 and right 2xERLL WG3 Left HAG WG4 Right HAG (or both) WG5 ERLLs (chainfire) Hold WG1 until green. Release and hit WG2. Set up a group with a single HAG40, so you can single fire both HAGs if you need to brawl while hot.
Maybe simplify to just HAG40's and ERLL's. Might be able to just eat the heat. Still gives you massive long range damage potential. https://mwo.nav-alpha.com/mechlab?b=873f31fb_MCII-DS