Free shipping over $999 · Every firearm ships to your Delaware FFL dealerWilmington, Newark and New Castle CountyFind your town · All productsShipping & FFL
Help & FAQ
Home / Shop / Lower Receivers
CMMG Mk4/AR15 Stripped Lower Receiver .223 Remington Armor Black Cerakote AR-15 Stripped Lower Receiver

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 Delaware?
Yes. It ships to a licensed FFL dealer in Delaware; you pick it up there after the background check. This long gun ships to the licensed Delaware dealer you choose, where you finish Form 4473 and the background check.
Is it in stock?
Yes, at $149.99. Orders leave within 1-2 business days; shipping is free over $999.

Similar lower receivers in stock

Shop all →