CMMG Zeroed AR-15 Lower Parts Kit

CMMG Zeroed Lower Parts Kit for AR-15

The CMMG Zeroed Lower Parts Kit provides everything you need to complete an AR-15 lower receiver. This comprehensive kit is designed for both experienced builders and those new to AR platform assembly.

What's Included

• Trigger Group: Mil-spec trigger, disconnector, hammer, and all associated springs and pins
• Safety Selector: 60/90-degree ambidextrous safety with detent and spring
• Magazine Controls: Ambidextrous magazine catch with extended release button and spring
• Bolt Catch: Extended bolt catch with plunger, spring, and roll pin
• Trigger Guard: Complete with screw and roll pin
• Pivot and Takedown Pins: Heavy-duty pins with detents and springs
• Pistol Grip: Includes grip screw and washer
• Buffer System: Buffer retainer and spring

Key Features

• USA Made: All components manufactured in the United States
• Mil-Spec Compliant: Every part meets or exceeds military specifications
• Color-Coded Organization: Parts arrive in convenient color-coded packets to streamline assembly
• Ambidextrous Controls: Safety selector and magazine catch work for both left and right-handed shooters
• Complete Hardware: All installation hardware included—no additional fasteners needed
• Easy Assembly: Designed for straightforward installation with clear organization

Assembly Support

CMMG provides detailed installation resources to guide you through the build process, whether you're a seasoned builder or tackling your first AR-15 lower receiver.

Note: You'll need to source a buttstock or brace kit separately to complete your build.