Brownells AR-15 A3 Elevation Index Spring Silver 3-Pack

The Brownells AR-15 A3 Elevation Index Spring is a precision replacement component designed for AR-15 A3 rear iron sights. This small but critical spring provides proper tension for the elevation adjustment mechanism, ensuring reliable and repeatable sight adjustments. Manufactured from durable spring steel with a silver finish for corrosion resistance. Essential for maintaining proper sight function and accuracy. Each spring is precision-formed to original specifications for reliable performance. Sold as a convenient 3-pack for multiple builds or to keep spares on hand. Compatible with standard AR-15 A3 rear sight assemblies. Easy installation for gunsmiths and DIY enthusiasts.