TCOV
Member
The 9x18 falls between 380 and 9mm. In a lightweight pistol recoil can be sharp. Wolff spring kits can help reduce felt recoil but may require some experimentation to insure reliability. I think I started with the light hammer spring and moved up until the pistol fired every time. The springs and a Hogue slip on grip boot can make the PA 63 a good cheap light weight carry pistol. Be sure to check your ammo as some seems to be too long to work reliably from the mags. I just use Wolf hardball.