The Spike's Tactical Standard Lower Parts Kit supplies the small parts needed to finish an AR-15 lower in 5.56. It ships with the complete fire control group and an A2 pistol grip, so the kit covers the internal components and grip in one package.

Features:

• Complete AR-15 lower parts kit
• Fire control group: trigger, hammer, disconnector, and springs (standard mil-spec single-stage)
• Safety selector with detent and spring
• Bolt catch assembly
• Magazine catch assembly
• Trigger guard
• A2 pistol grip with screw
• Black, made in USA

Fits standard mil-spec AR-15 lower receivers. The takedown and pivot pin set is not included with this kit.