AR-15 Lower Pin & Spring Kit

Prices last checked September 2026. Prices and availability change often, so confirm on the retailer's site.

17 Critical Parts For Your Lower

Parts kit contains 17 essential pins and springs for your AR lower receiver. Saves time when assembling components for a build and makes a great emergency replacement kit for small parts that are most often lost or broken.

• Trigger Spring
• Hammer Spring
• 2 Hammer Trigger Pins
• 2 Takedown Springs
• Disconnector Spring
• Safety Selector Detent
• Safety Selector Spring
• Bolt Catch Spring
• Bolt Catch Plunger
• Bolt Catch Coil Pin
• Trigger Coil Pin
• Buffer Retainer Spring
• Buffer Retainer
• Takedown Detent