This video presents a "subsonic showdown" comparing the 9mm and .300 Blackout calibers, utilizing nearly identical SIG Sauer platforms: an MPX in 9mm and an MCX Virtus in .300 Blackout. Both firearms are suppressed and loaded with subsonic Hornady ammunition. Competitive shooters Patrick Sweeney and Jim Tarr evaluate function, recoil, and report to determine their preference if they could only choose one caliber. The video aims to provide a direct, filmed comparison of these two popular subsonic rounds in similar host platforms.
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