Elevate your GLOCK(TM) GEN3's efficiency with the Strike Industries SI-G-MGR-S-BLU Modular Guide Rod, featuring striking blue end caps for a personalized touch. This guide rod system provides unparalleled customization of recoil dynamics, enabling effortless spring swaps without the clutter of multiple rods. Constructed from high-quality stainless steel, it ensures exceptional durability and performance. Modular design for customizable recoil spring options Durable stainless steel shaft Anodized aluminum end caps available in various colors Compatible with G17, 17L, 22, 24, 31, 34, 35, and 37 models Includes shims for secure fitting Upgrade your GLOCK(TM) setup with the SI Modular Guide Rod for enhanced shooting dynamics and visual appeal.