Connecticut FirearmsCatalogue entry
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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 Connecticut?
Yes. It ships to a licensed FFL dealer in Connecticut; you pick it up there after the background check. Connecticut buyers need a Long Gun Eligibility Certificate or pistol permit, and the Connecticut dealer will only transfer rifles and shotguns that are legal under the state's assault weapon law.
Is it in stock?
Yes, at $1304.09. Orders leave within 1-2 business days; shipping is free over $999.

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