What's Your Favorite Weapon?

I am asking what's everyone's favorite weapon, not necessarily the best.

My first love was the Western Spirit and then fell into the Gauss Rifle. I love the gameplay of having an ammo efficient weapon that one shots all low/middle tier enemies.

BUT once I tried the plasma/Enclave flamer there was no going back. It's so much fun.

P.s. I am using the gatling plasma for raids, but personally. I hate that bulky b***h