Why you need it? I can tell you how it works.

First I say that never can be 100% sure unless have access on server files to check, which I dont.

Each bullet chance to crit is calculated separately. For example if you have 26% cc, you use lsw range burst, 4 bullet hits, chance for each bullet crit is 26%. Chance for all bullet crits is 0,26*0,26*0,26*0,26 which is about 0,5% chance. So if you shoot 200times, you get 1 time 4/4 bullet crit.

If any bullet crit on burst it is critical burst. Like for example if avenger hex (40bullet) 1 bullet crit, it is critical burst.

Lower the bullet hit is higher the variations are. For example lsw u can crit all bullet with 0,5% chance, but for avenger you can never get it, chance is 0,26^14. So avenger has really stable crit dmg compared to lsw.

Critical roll is determined by each shot, not individually bullets. So basic roll is 1d100. Otherwise you could get multiple random cripples by single burst. Critical roll on burst you torso table. Higher the roll is, higher chance to get better dmg out of those critically hit bullets its. Dmg modifier for critically hit bullets goes like this:

Rolls are roll above 100, so 1 means that you have max critical roll 101. Modifiers are calculated by avg. So higher the roll is chance to get 2,5 x dmg s higher. For example if u get roll 111+ then your crits do 2,5x dmg on those bullets that crit. If you roll 0-10 your critically hit bullets do 1x dmg only.

Also when you burst, some bullet might not hit target.

All above matters when its about critburting. If you want exact formula for specific thing you can download my Weapon dmg calculator on my signature and dig it there, or critical hit chance calculator

https://forum.fonline2.com/index.php?topic=5845.0Then Bruiser is another matter, which seems not to work exactly how people think. Havent tested yet myself, but have few theories: 1. Critical chance minimun = 1, cant be any lower. 2. Bruiser lowers critchance by multiplying it by x 0,3. So that could explaing why bruiser chars still shoot critburts. Also high anticrit not affecting that much for the bursts, Effect of anticrit is higher when shooter has high critchance like for eye shots. Also stacked anticrit overall increase the effectiveness more than just taking perk and not stack it with other anticrit bonuses.