Poll: 5.7x28 vs 357 SIG

[CountryGent]

Neither. If hard pressed, I guess 5.7x28㎜ for "gee whiz" factor.

P.S. Well, the micro-Mauser in the aforementioned would be super neat, but I'm skeptical it will ever be. Even if so, I still wouldn't bother at this point with adding a new cartridge.

 

[E4mafia]

NATO Standardizes FN's 5.7x28mm Caliber | FN® Firearms

NATO Standardizes FN’s 5.7x28mm Caliber (McLean, VA – March 1, 2021) FN America, LLC is pleased to announce that the FN-designed 5.7x28mm caliber has been standardized by NATO. The caliber was designed in the late 1980s for use with the FN P90® and FN Five-seveN® pistol. With almost three...

fnamerica.com

I'm willing to try it