Norma Golden Target 6.5 Prc 143grNORMA VerminXtreme delivers massive shock effect when you need to take aggressive measures against natures most relentless intruders. Originally this was a wildcat cartridge made by necking down the . 250 3000 savage to . 22 caliber. It is not known exactly when or by whom it was made first, but most sources credits the US gunmaker J. E. Gebby as being first, calling his design . 22 Varminter. This was in 1937, but since the parent case has been