The reason why I don't have mods that trigger on headshot kill is that bleed procs don't count as headshot kills (even if you hit the enemy in the head and get a bleed proc) and this build is meant for bleed procs.

=== Assumptions ===
10 Viral Stacks? False 
Steel Path? True
Parasitic? False
Headshot? True
No. of status types on enemy: 0
Stacks of primary merciless: 12

Crit Chance: 120.00%
Crit Multi: 7.48x
Status Chance: 10.00%
Multishot: 3.30
Potential Damage per Projectile:
IMPACT: 20,6367
COLD: 275,156
Total Potential Damage per Projectile: 481,523
Total Potential Damage: 1,589,025
Potential DPS: 1,655,235 (does not include reload)

Potential Bleed Damage per Projectile per Second: 5,983,597
Total Potential Bleed Damage per Second: 19,745,871
===== HEAVY GUNNER (Lvl 10,000) =====
Total Damage: 849
Total Bleed Damage per Second: 3,197
Total Bleed Damage (5 seconds): 15,987 (1.99% of enemy health)

===== BOMBARD (Lvl 10,000) =====
Total Damage: 1,210
Total Bleed Damage per Second: 4,559
Total Bleed Damage (5 seconds): 22,798 (2.83% of enemy health)