Standard Size Models:
Factory Rating: 14 Lb. – 9mm, .45 ACP, Super .38 and 10mm
Factory Rating: 12 Lb. – .40 S&W all models except CZ
Factory Rating: 16 Lb. – .40 S&W – CZ Only
Factory Rating: 13 Lb. – CZ 97 .45 ACP (14-16 Lb springs suggested for hardball in CZ97)
