Glock OEM Guide Rod Assembly SP30077 GEN 4

Designed to fit Glock Gen 4 Models: G21.

Restore peak reliability with the Glock OEM Guide Rod Assembly (Part# SP30077) designed for G21 pistols. This is the factory-original dual recoil spring assembly, built by Glock to exact specifications for perfect fit and consistent function. Whether you're replacing a worn unit or completing a slide rebuild, this guide rod delivers smooth cycling, reduced recoil impulse, and long-term durability; just like your Glock came from the factory. Keep your Glock running like new, go OEM at NDZ Performance.

Features:

• Fits Glock Gen 4 models (check your specific model compatibility).
• OEM part number SP30077.
• Dual recoil spring design for improved recoil control.
• Factory Glock construction for reliable cycling and longevity.
• Perfect for repairs, rebuilds, or preventive maintenance.
• Genuine Glock OEM part, no aftermarket guesswork.

See our complete line of Glock Gen 1-4 Products here

Note: NDZ always recommends any part be installed by a qualified and trained gunsmith. NDZ promotes the use of safety practices and gear when working on any firearm.