Trigger Return Spring for Sig Sauer P320 Series Pistols by Galloway Precision

ISMI Reduced Power Trigger Return Spring Sig Sauer P320 Minus 20 %

BPD PERFORMANCE - Trigger Return Spring for Sig Sauer P320 X5 AXG M17 M18 X-Comp

Sig Sauer P320 Action / Trigger Pull Reduction Spring Tuning Kit by Armory Craft

ISMI Trigger Spring for Sig Sauer P320 Minus 20 %

P320 Trigger Bar Spring, OEM SIG SAUER PN: 1301575-00-R

Suppressor Height Stainless Steel Front & Rear Sight For Sig Sauer P320 Pistols

Armory Craft - Sig Sauer P320 Action / Trigger Pull Reduction Spring Tuning Kit