Customization is endless with the AR15 platform which is why the CMMG Zeroed Mk4/AR15 Gunbuilder's Kit includes all of the essential parts except the most commonly upgraded ones: Trigger Guard Fire Control Group and Pistol Grip. Check out our interactive install walkthrough video below or read the CMMG Resources LPK Install article for an in-depth breakdown. All parts meet or exceed mil-spec. All installation hardware included. Kit Includes: Bolt Catch Plunger Spring & Roll Pin Trigger/Hammer Retaining Pins Zeroed 60/90 Adjustable Ambi Safety Detent & Spring Zeroed Ambi Magazine Catch & Spring Zeroed Magazine Release Button HD Pivot/Takedown Pins Detents & Springs Buffer Retainer & Spring
Specifications
- Firearm Accessories Weapon Fit: AR-15
- Firearm Accessories Type: Upper/Lower Parts Kit
Cmmg Inc. | MPN: 55CA6BA | UPC: 810097502314