CMMG S5CA642 Zeroed Lower Parts Kit Black Grip, Ambi Safety & Mag Catch, Mil-Spec Trigger, Fits AR-Platform/Mk4

All the parts you need to get started on your next AR-15 build in convenient color-coded packets to simplify assembly.

• Bolt catch/roll pin
• Bolt catch plunger/spring
• Trigger guard/roll pin
• Trigger, Trigger spring
• Disconnector, Disconnector spring
• Hammer, Hammer spring
• Trigger/hammer retaining pins
• AmbiSafety, detent, & spring
• Magazine catch, spring, & release button
• Pivot/takedown pins, detents, & springs
• A2style pistol grip/grip screw & washer
• Buffer retainer/spring