Phase 5 Rifle-Length Buffer Spring 12.75" Fits M16/M16A1/M16A2/M16A3 - Durable and Reliable Buffer Spring - RBS

Phase 5 Weapon Systems

Overview

The Phase 5 Rifle-Length Buffer Spring is designed specifically for use with rifle buffer tubes, measuring 12.75 inches to ensure proper function in M16 variants. This spring plays a crucial role in the cycling of the action, providing the necessary tension to return the bolt carrier group to its forward position after firing. Builders often incorporate this buffer spring in precision-oriented or traditional M16 builds, where reliability and consistent cycling are essential for performance.