Can You Guess The Inglrious Sound & Win 75 Platinum?

As of yet we haven't received the right answer yet! Do you know which gun this is?
Make sure you win that 75 platinum by guessing the right gun which is being fired.
https://docs.google.com/forms/d/e/1FAIpQLSeqr0kbPUzCx9fj5s7ExzXgF4KA5_iMcaoOvm12snh-itDR3w/viewform
(Platinum Giveaway will run for all platforms for one week. Guessing the right answer does not mean you've won directly, with more right answers we will go by a random person)