Nac Swap

A nac swap is used in the franchise Call of Duty to either switch weapons quick or use it for trickshots.
What is a Nac Swap?
You have to reload your call of duty gun and at a specific time you will switch weapons instantly.
People do it in midair for trickshotting.

Yo No way!
I just Nac Swapped my spaz all the way to red roof.
Nac Swap