I officially know what builds work on all vindicators. This is the machine gun PPC variant, and possibly the only one that can boat left sided the best. The right arm can fit a Double Heatsink, the left cannot. It can jump shoot like the other vindi's, but this one does best when you let it rapid fire 20 damage at an enemy. Also the ppc's are in an unexpected location. More heat efficient version
As someone who plays Vindicators as their main chassis. I definitely approve of this build. I've found Vindys to be quite good in scout mode and the scout build for this mech is pretty much exactly the same as yours except with Lpls instead of ppcs due to scouting being more brawly. I still default to this 1R build for all my non-scouting means
A e s t h e t i c SNPPC version: Non-a e s t h e t i c a l l y you can have the 2 ppcs in the same arm, like the OP.