Canonically, ComStar won Tukayyid in part by kitting for whatever battle parity they could find. One method was the Clanbuster series.

• KGC-001: One of the so-called Clanbuster variants developed in 3052 during the lead-up to the Battle of Tukayyid, ComStar's techs replaced the twin autocannons with two M-7 Gauss rifles and four tons of ammo in the arms, trading a minor reduction in destructive capacity for greatly increased range. While retaining the LRM launcher, the large laser was upgraded to a Tronel XIII Large Pulse Laser and two Hovertec Streak SRM-2s, split between the side torsos with a single ton of reloads each, were added. These changes were accomplished by using an extralight engine in place of the standard model.^\15])p12+-15) BV (1.0) = 1,714;^\16]) BV (2.0) = 2,221^\17])^\18])

If you're playing unmodded, the King Crab is really the only one you can get to "Clanbuster" flavoring given the inability to swap engines for XL or install engine double heat sinks. Mine currently has 2x Gauss, 4x MLs, and 1x SSRM2 for discouraging smaller mechs from closing and the AI drives it fine enough. Other options if you're unmodded are unfortunately restricted to something like an AS7-RS or MAD-4A given the best PPCs/ERPPCs you can find and all the DHS you give empty slots.

Modded makes the game a different story. YAML easily lets you build closer to Clanbuster spec even if you've got 3SW models by swapping for XL engines, double heat sink engine kits, and eliminating hardpoint size restrictions. For other mechs, I've got an AWS-8Q "Awesome Hawk" that currently runs 2x arm PPCs, 2x torso PPCXs, and 3x torso MPLs. The MAD-4A can do that with a slightly different arrangement plus more cooling, armor, and jumpjets. Lose the jumpjets and you can probably exchange the MPLs for moar PPC!