>>2774277Followings are from wikipedia
>7.62x25 Tokarev55.5 g (85 gr) JHP[2] 376 m/s (1,230 ft/s) 390 J (290 ft·lbf)
5.8 g (90 gr) FMJ[2] 409 m/s (1,340 ft/s) 488 J (360 ft·lbf)
5.5 g (85 gr) FMJ[3] 502 m/s (1,650 ft/s) 693 J (511 ft·lbf)
5.5 g (85 gr) FMJ[4] 525 m/s (1,720 ft/s) 760 J (560 ft·lbf)
5.5 g (85 gr) JHP[4] 510 m/s (1,700 ft/s) 715 J (527 ft·lbf)
>9x19mm Parabellum7.45 g (115 gr) FMJ 390 m/s (1,300 ft/s) 570 J (420 ft·lbf)
8.04 g (124 gr) FMJ 360 m/s (1,200 ft/s) 518 J (382 ft·lbf)
7.50 g (116 gr) JHP 377 m/s (1,240 ft/s) 533 J (393 ft·lbf)
7.45 g (115 gr) JHP +P 411 m/s (1,350 ft/s) 632 J (466 ft·lbf)
7.45 g (115 gr) JHP +P+ 426 m/s (1,400 ft/s) 678 J (500 ft·lbf)
7.62x"25"mm is longer than 9x"19"mm.
So it have more powder to boost.
And it also 7.62mm projectile is more faster than 9mm. Think the "v^2". Velocity is more important for kinetic energy.
