just recently tried some .380acp doubletap in a Bersa pistol. Velocity was up over 1000 but no quite the 1100 advertised. Recoil was not bad, more than with Rem GoldenSabr, but not excessive.
Cartridges were made with Winchester brass using GoldDot bullets. Fair price, $26 box of 50.
Looks like good ammo.