
The CMMG Mk4/AR15 stripped lower receiver is a solid foundation for building an AR-15 style rifle. It is built on the AR-15/M4 lower pattern, accepts mil-spec lower parts kits, and is compatible with AR-15/M4 pattern magazines. Finished in Armor Black Cerakote for durable, clean-looking wear.
Key features
- Forged 7075-T6 aluminum construction for a strong, lightweight foundation
- Mk4/AR15 AR-15/M4 pattern compatibility for mil-spec AR-15 lower parts kits
- Accepts AR-15/M4 pattern magazines
- Armor Black Cerakote finish for corrosion resistance and a uniform appearance
Start your AR-15 build with a dependable CMMG Mk4 stripped lower receiver.
CMMG Mk4/AR15 Stripped Lower Receiver .223 Remington Armor: quick facts
- What caliber is the CMMG Mk4/AR15 Stripped Lower Receiver .223 Remington Armor?
- It is chambered in .223 Remington, 5.56 NATO.
- What kind of action does it use?
- Single Action.
- What sights and finish does it have?
- finish: Armor Black Cerakote.
- Is it new or used?
- New, in the original packaging.
- Can I buy it in Iowa?
- Yes. It ships to a licensed FFL dealer in Iowa; you pick it up there after the background check. Rifles and shotguns ship to your chosen Iowa FFL dealer for the background check and pickup.
- Is it in stock?
- Yes, at $143.74. Orders leave within 1-2 business days; shipping is free over $999.
Similar lower receivers in stock
Shop all →American Tactical
$81.64







