Brownells RSA-107 Pro-Spring Kit

Description

Product Overview

The Brownells RSA-107 Pro-Spring Kit is a spring upgrade for Old Model and Old Army revolvers, built to help deliver a smoother, more controlled trigger pull while maintaining reliable operation. The kit reduces hammer spring power in multiple steps and pairs it with a reduced-power trigger spring, plus an extra power base pin latch spring to support dependable parts retention under use.

Key Features

• Includes multiple reduced-power hammer springs (17, 18, and 19 lb) to tune trigger feel versus the factory 23 lb hammer spring
• Features a 25% reduced power trigger spring for a more controlled trigger pull
• Adds an extra power base pin latch spring to support reliable base pin retention
• Designed as a complete, drop-in style spring kit for Old Model and Old Army platforms

Build a smoother, more consistent revolver trigger with the RSA-107 Pro-Spring Kit and select the hammer spring rate that best matches how you want the revolver to feel.