Well, the weapon is based on the radium sniper, so I doubt there is a bonus to Armor Penetration (not sure how to evaluate - suggestions would be appreciated, or if you actually mean armor penetration or something else, just guessing), but with the poison levels the sniper puts out, Once it gets throu the armor probably anything with organics (or low entropy frankly) would likely be poisoned (or thermodynamic equivalence) when hit by the RSC.
So for BD, guessing it is base damage (again a guess, but I am hopeful it is right), I had estimates of 1.08 for one Rules system (for when I construct infantry troops). I know that different systems exits, and I'm guessing that value makes no sense in the form you want (or my estimate is itself nonsense/bad). I don't know how to proceed, but if you point me towards which/what to use I will strive to comply...😎
Thank you for your request! Sorry not sure how to respond.