P365 Trigger Reset Tuning Spring

This trigger reset spring is designed for the Sig Sauer P365 platform and is a direct replacement to the SIG factory part 2700065-R. Manufactured by ISMI from chrome silicon spring wire.

** Springs purchased as individual parts (one piece per package) **

IMPORTANT: Select your preferred spring power before adding to cart.

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This SIGMECH | R Part (Replacement Part) from ISMI replaces the trigger reset spring inside your P365 fire control unit. The spring returns the trigger bar into its engagement position after each shot, allowing the trigger mechanism to reset and prepare for the next trigger pull.

+10% (Increased Power): rated at 10% over factory power. The added return force on the trigger bar creates a firmer, more positive and tactile reset while providing additional operating margin against a light, weak or incomplete trigger reset. The stronger spring can improve trigger feel and reduce the likelihood of reset-related issues caused by a factory spring that has begun to wear or fatigue. Increased spring power will also marginally increase the effort required to pull the trigger.

Reduced Power (-25%): rated at 25% under factory power. Less return force on the trigger bar lowers the resistance felt through the take-up and removes much of the gritty, heavy feel of the factory trigger, giving a smoother and lighter pull to the break. Best results come when it is installed alongside reduced power striker, striker safety and/or sear springs as part of a complete action tune. Intended for competition and range use. With less return force on the trigger bar, confirm the trigger returns fully and resets every time, including on a slow release, before relying on the pistol.

Any change to the springs inside the FCU can affect how its components interact, and operators should confirm reliable trigger movement, reset and overall function after installation.

A worn or fatigued factory spring may produce a mushy, weak or inconsistent reset and can eventually contribute to a failure to reset. The trigger reset spring should be inspected whenever the FCU is disassembled and replaced if it shows wear, damage or loss of tension. Replacing the spring while the FCU is already apart is inexpensive insurance against future reset-related issues.

NOTE: Sig Sauer classifies springs as consumable components. Springs are subject to wear and fatigue through repeated cycling and should be inspected regularly and replaced when their performance begins to degrade.

MADE IN USA