![SH76321 CMMG AR-15 Lower Parts Kit Nexgen Outfitters SH76321 CMMG AR-15 Lower Parts Kit Nexgen Outfitters](https://cdn11.bigcommerce.com/s-qdhl0zkn69/images/stencil/300x300/products/26801/43962/100166__76794.1683589888.png?c=1)
Finish your next AR15 lower receiver with the CMMG® ZEROED™ Mk4/AR15 lower parts kit. Every piece is made here in the USA and comes in convenient color-coded packets to make assembly a breeze. Check out our interactive install walkthrough video below or read the CMMG Resources LPK Install article for an in-depth breakdown. Don’t forget a Buttstock or Brace kit to complete your pistol or rifle lower. All parts meet or exceed mil-spec. All installation hardware included.
All the parts you need to get started on your next AR15 build in convenient color-coded packets to simplify assembly.
Kit Includes:
- ZEROED Extended Bolt Catch AR15
- Bolt Catch Plunger, Spring, & Roll Pin
- ZEROED Trigger Guard, Screw, & Roll PIn
- Trigger & Trigger Spring
- Disconnector & Disconnector Spring
- Hammer & Hammer Spring
- Trigger/Hammer Retaining Pins
- ZEROED 60°/90° Adjustable Ambi Safety, Detent, & Spring
- ZEROED Ambi Magazine Catch & Spring
- ZEROED Extended Magazine Release Button
- HD Pivot/Takedown Pins, Detents, & Springs
- ZEROED Pistol Grip, Grip Screw, & Washer
- Buffer Retainer & Spring
- Sub Category:
- Lower Parts
- Color:
- Black