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New Arrival
Online Only
Item # 6093466
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New Arrival
Online Only
Item # 6093466
This item is available online only
Delivery to
Free standard delivery on online footwear & Clothing purchases of $49 and over.
Neighbor’s Club Members earn points with purchases.
Kit Includes: ZEROED Extended Bolt Catch AR15Bolt 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. 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 take apart instruction. 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.
- Kit: CMMG ZEROED Mk4/AR15 lower parts kit for finishing an AR15 lower receiver
- Includes: Extended bolt catch; bolt catch plunger, spring, and roll pin
- Includes: ZEROED trigger guard; trigger guard screw and roll pin
- Includes: Trigger components (trigger, trigger spring, disconnector, disconnector spring)
- Includes: Hammer components (hammer, hammer spring)
- Includes: Trigger/hammer retaining pins
- Includes: ZEROED 60/90 adjustable ambi safety; detent and spring
- Includes: ZEROED ambi magazine catch and spring
- Includes: ZEROED extended magazine release button
- Includes: HD pivot/takedown pins; detents and springs
- Includes: ZEROED pistol grip; grip screw and washer
- Includes: Buffer retainer and spring
- Manufacturing: Every piece is made in the USA
- Packaging: Color-coded packets for easier assembly
- Support: Includes interactive install walkthrough video and CMMG Resources LPK Install article
- Notes: Recommend adding a buttstock or brace to complete the pistol/rifle lower
- Compliance: Parts meet or exceed mil-spec
- Hardware: All installation hardware included
- Color: Black
- Firearm Type: AR Platform
- Grips: CMMG Zeroed
- Safety: Ambidextrous
| Brand | CMMG |
|---|---|
| Country of Origin | Made in USA |
| Ammunition Capacity | N/A |
| Compatibility | AR Platform |
| Gun Compatibility | Rifles |
| Caliber | N/A |
| Gun Part Type | Lowers |
| Primary Color | Black |
| Manufacturer Part Number | 55CA642 |