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Colt CR6920 M4 Carbine 5.56 NATO Blue/Black Rifle

The Colt CR6920 is a dependable AR-15-style M4 carbine chambered for 5.56 NATO and .223 Remington. Its 16.1-inch chrome-lined barrel uses a 1:7 twist rate and an A2 flash hider, while the direct-impingement operating system provides the familiar controls and handling expected from a modern sporting rifle. A flat-top upper receiver offers a Picatinny rail for adding an optic. The rifle includes an adjustable A2 front sight, Magpul MBUS Gen 2 rear sight, four-position collapsible stock, and one 30-round Magpul PMAG.

Key features

  • 16.1-inch chrome-lined steel barrel with a 1:7 twist rate for reliable service and broad bullet compatibility
  • Chambered for 5.56 NATO and .223 Remington ammunition
  • Flat-top Picatinny rail supports the installation of a red dot sight or scope
  • Adjustable A2 front sight paired with a Magpul MBUS Gen 2 rear sight
  • Four-position collapsible stock allows the rifle to be adjusted for different users and gear
  • Includes one 30-round Magpul PMAG and an A2 flash hider

The Colt CR6920 combines proven M4 configuration, practical adjustability, and Colt reliability in a versatile 5.56 NATO rifle.

Colt CR6920 M4 Carbine 5.56 NATO Blue/Black Rifle: quick facts

What caliber is the Colt CR6920 M4 Carbine 5.56 NATO Blue/Black Rifle?
It is chambered in 5.56 NATO, .223 Remington.
How many rounds does it hold?
30+1 rounds; magazines included: 1.
How big and heavy is it?
Barrel length 16.1 inches, overall length 32.25 inches, weight 6.9 pounds.
What kind of action does it use?
Semi-Automatic.
Is it optic ready or threaded?
Optic ready: Yes; threaded barrel: Yes.
What sights and finish does it have?
Sights: Standard Sights; finish: Blue/Black.
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 $1225.31. Orders leave within 1-2 business days; shipping is free over $999.

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