Blowback Sucks, right?

Unfiltered MAC on Twitter: https://twitter.com/MAC_Arms Join Patreon and support MAC! http://www.patreon.com/militaryarms Political Comentary: https://www.youtube.com/@secondlegacy Follow and support us on Utreon!: https://utreon.com/c/militaryarmschannel Follow us on Rumble: https://rumble.com/user/MilitaryArms Modern Gun School: http://www.mgs.edu Challenge Targets Discount Code: MAC556 (https://www.challengetargets.com/SFNT.html) With all the different types of operating systems for PCC's and SMG's, blowback continues to endure. Why does simple blowback continue to be used in modern designs? We take a look and share some thoughts.