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Colt M4 Carbine MPS 5.56 NATO Semi-Automatic Rifle

The Colt M4 Carbine MPS is a semi-automatic AR-style rifle configured for dependable range, training, and duty use. It combines a 16.1-inch steel barrel with a 1:7-inch twist rate, a fixed A2 front sight, and a Magpul MBUS rear sight. The flat-top aluminum upper receiver provides a practical mounting platform for an aftermarket optic. Magpul Flat Dark Earth furniture, a Magpul SL carbine stock, heat-shield handguards, and an included vertical grip complete the carbine configuration.

Key features

  • 5.56 NATO chambering with .223 Remington compatibility for broad ammunition availability
  • 16.1-inch steel barrel with a 1:7-inch twist rate for stabilizing common 5.56 NATO projectile weights
  • Fixed A2 front sight and Magpul MBUS rear sight provide a durable backup sighting system
  • Flat-top upper receiver supports aftermarket optic installation
  • 30+1 capacity with AR-15 pattern magazine compatibility
  • Magpul SL carbine stock and Flat Dark Earth furniture provide adjustable handling and a distinctive two-tone configuration

The Colt M4 Carbine MPS delivers a proven AR-style configuration with practical Magpul furniture and dependable iron sights.

Colt M4 Carbine MPS 5.56 NATO Semi-Automatic Rifle: quick facts

What caliber is the Colt M4 Carbine MPS 5.56 NATO Semi-Automatic 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: No.
What sights and finish does it have?
Sights: Standard Sights; finish: Black.
Is it new or used?
New, in the original packaging.
Can I buy it in North Carolina?
Yes. It ships to a licensed FFL dealer in North Carolina; you pick it up there after the background check. North Carolina buyers pick this up at a licensed dealer after a NICS check, with no state permit and no waiting period; dealers sell rifles and shotguns from age 18.
Is it in stock?
Yes, at $1304.09. Orders leave within 1-2 business days; shipping is free over $999.

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