ISMI Trigger Spring For Sig Sauer P320

Fits Sig Sauer Model(s): P320.

ISMI Premium Springs are manufactured exclusively with certified aerospace specification alloys; chrome silicon. Then their springs are heat treated, shot-peened and stress relieved after winding to enhance performance and durability. Chrome silicon springs have 10x the life of traditional music wire springs, and they hold much better tolerances during compression and cycling.

Options:

• Plus 10% extra power weight
• Minus 20% reduced weight