orb 60*3=180 (*5) rotation
mab 162.5 (*5)

18% of 180 = 32.4
32.4/2=16.2

orb: 196.2

25% of 162.5 = 40.6
162.5+20.3=182.8

196.2 is ~7% more than 182.8

for headshots: add 10% for every headshot for MAB

ammo efficiency
orb shotgun ammo pool: 250
mab ammo pool: 50
rotation for ORB is 3 shots, so orb has ~40% or 2/5 more ammo than MAB