Tools: TARAN -- target analysis software, free and open source, know thee precision.
More to follow (eventually): French, Russian, basics, tutorials, live elephants, infinite wisdom and arcane knowledge, and world's best range cards with blackjack and hookers.
You can contact me here: https://guns.ptosis.ch/contact
D.M., may his days be blessed, done the English translation of the "Inclined fire" series of articles. He is too modest to claim proper credit, but without his help this site would not be. My gratitude is as deep as thorough.