[TexasGator]

“If so could you swing the gun fast enough to shoot around a corner.”

Nope.

[Recompennation]

Nope?
The lateral acceleration thing comes to mind. The swing of the barrel will impart a lateral acceleration to the projectile which will produce a laterally curved path to the projectile. Time the shot to just miss the corner and shoot what’s around the corner. It’s basically throwing bullets.