ISMI P320 Trigger Return Spring


ISMI advanced springs are manufactured with chrome silicon, then are heat treated, shot peened, and stress relieved which enhances performance and durability outlasting the factory springs. These springs come in -20% power or +10% power changing the characteristics of your trigger pull and reset. The -20% power will reduce your trigger pull weight. The +10% will give you a more positive reset. Fits all P320 models, does not fit P365.



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1.00 Ounces