That looks exactly like a 124g 9mm bullets loaded in my 124g gold dots.
Not only is that a shady business practice- the 9mm projectile was not even designed for the 357 sig velocities. Plus you have seating and setback issues which are potentially hazardous. Bad business. Buffalo Bore already has 124g +P+ 9mm ammo, they shouldn't be loading these into 357sig cases and claiming they're 125g sig bullets for any reason. If that really is a 124g bullet in those cartridges BB should be ashamed.
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