Dual AC/20 King Crab KGC-000 "Dr. Pinchy" - Mechwarrior Online - The Daily Dose #19 - YouTube
The Corsair with dual AC20's (with lots of ammo), dual LChemL's, and an SRM2 is my fav build in the whole game. Crazy good brawler. Just wrecks everything. : r/Mechwarrior5
Jagermechs Dual AC/20 (all Variants including Firebrand)
MWO: Forums - Dual Gauss Or Dual Ac20 Mech
AC20 Urbie can have armor and speed due to ammo patch! : r/mwo
Boom You are Dead! Double Ultra Autocannon 20 Nightstar - Mechwarrior Online The Daily Dose #1309 - YouTube
Quad Ultra AC20 Dire Wolf. Hell yeah! - Mechwarrior Online Live Stream Highlight - YouTube