So in that respect the MAC firing that cartridge, contains a dependability benefit about the UZI, especially with 115 gr ammo I've viewed, produced by Rem., Win, Fed, & S&B over the last 15 yrs. The Israeli military nine×19 ammo, uses the 123 gr. bullet using a sharper stress curve, with it’s peak nearer the breech and more recoil impulse. Older