How does recoil/spread work in Battlebit?

[civic rain]

Sorry if this has been asked before here, but could anyone give me a rundown/explanation of how recoil works in the game? I know that vertical/horizontal/first shot recoil each have a value, but how is that value applied (is it a randomized value from x to y for each shot taken)? Is there also random "spread" apart from how recoil is applied?

[rose timber]

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