AR-15 Hammer Spring

The AR-15 Hammer Spring is a Mil-Spec replacement spring designed to provide reliable hammer function and consistent primer ignition. Whether you're completing a new build, performing routine maintenance, or replacing worn components, this hammer spring is an essential part of any AR-15 lower parts kit.

Manufactured to standard-power specifications, this spring is compatible with all standard AR-15 hammers and helps ensure proper trigger and hammer operation. Built to meet Mil-Spec standards, it delivers dependable performance for range rifles, defensive firearms, competition builds, and everyday shooters.

Made by a trusted U.S. manufacturer, this hammer spring is an excellent replacement component for builders, armorers, and firearm enthusiasts looking to maintain the reliability of their AR-15 platform.

• Compatible with all standard AR-15 hammers
• Mil-Spec replacement hammer spring
• Standard power design
• Provides reliable hammer function and ignition
• Ideal for repairs, maintenance, and new builds
• Durable spring steel construction
• Manufactured in the USA
• Fits most AR-15 lower receiver assemblies