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Colt AR6951 M4 Carbine 9mm 16.1in Barrel 32+1 Collapsible Stock

UPC: 098289023285

$1,044.99

10 in stock

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Description

There's a reason the Colt 9mm carbine has been around for decades and still gets snapped up whenever it shows up in stock. The AR6951 is the civilian semi-auto version of the 9mm platform Colt originally built for law enforcement, and it keeps everything that made that gun a favorite: straight blowback operation, closed bolt firing, and a dedicated 9mm lower that feeds from proven 32 round Colt-pattern stick magazines. No magwell block dropped into a 5.56 lower here, this is the real deal.

Why the AR6951 Shoots So Smooth

The straight-line stock design combined with the mild recoil of 9mm means muzzle rise is barely a factor. Follow-up shots come fast, and a full range day costs a fraction of what you'd burn through with 5.56. The 16.1 inch barrel wears a classic A2 birdcage flash hider, and up top you get an A2 fixed front post paired with a Magpul MBUS folding rear. Fold that rear sight down and the flat top receiver gives you a clean Picatinny rail for a red dot or low power optic. Owners regularly report tight groups at 100 yards with this setup, which is more than most people will ever ask of a pistol caliber carbine.

M4 Ergonomics in a 9mm Carbine

If you've spent any time behind an AR, you already know how to run this gun. The 4 position collapsible stock adjusts from 31.5 to 35 inches overall, the safety, mag release, and charging handle are all where your hands expect them, and field stripping requires no special tools. At 6.35 pounds unloaded, it's light enough to stay comfortable through long sessions of steel and plinking.

Between the Colt name, the aluminum receivers with hardcoat anodized finish, and a design that's been refined since the 1980s, the AR6951 is one of those guns that holds its value and earns its keep. Whether it's home defense duty, training alongside your 9mm pistol, or just an easy shooting range companion, this carbine covers a lot of ground without much fuss.

Key Specifications

  • Manufacturer: Colt's Manufacturing
  • Model: AR6951 M4 Carbine
  • MPN: AR6951
  • UPC: 098289023285
  • Caliber: 9mm Luger
  • Action: Blowback Semi-Auto, Closed Bolt
  • Capacity: 32+1 Rounds
  • Barrel Length: 16.1 in
  • Twist Rate: 1:10 RH
  • Muzzle Device: A2 Birdcage Flash Hider
  • Sights: A2 Fixed Front Post, Magpul MBUS Folding Rear
  • Stock: 4 Position Collapsible M4 Buttstock
  • Overall Length: 31.5 to 35 in
  • Weight: 6.35 lbs (unloaded)
  • Receiver Material: Aluminum, Black Hardcoat Anodized
  • Grip: Black Polymer

What’s Included

  • Colt AR6951 M4 Carbine 9mm rifle
  • One 32-round Colt-pattern magazine
  • Cable locking device
  • Owner's manual

Frequently Asked Questions

What magazines does the Colt AR6951 use?

It runs the classic Colt-pattern 9mm stick magazine, and one 32 rounder ships with the rifle. This is a dedicated 9mm lower, not a converted 5.56 receiver with a magwell block, so it feeds these steel mags reliably. Colt-pattern 9mm magazines are widely available from several manufacturers if you want spares.

Can I mount an optic on the AR6951?

Yes. The flat top upper has a Picatinny rail, and the Magpul MBUS rear sight folds flat so a red dot or low power scope drops right on. Plenty of owners run a reflex sight and report solid groups out to 100 yards with this setup.

Is the Colt AR6951 barrel threaded for a suppressor?

The muzzle is threaded and wears an A2 style flash hider, but note that Colt uses a 1/2×36 thread pitch on their 9mm barrels rather than the 1/2×28 common on 9mm pistols. Most suppressor makers offer 1/2×36 mounts or adapters, so just make sure you order the right one before heading to the range.

How does shooting the AR6951 compare to a 5.56 AR?

Recoil is noticeably softer and muzzle blast is much tamer, which makes it a favorite for new AR owners and high volume range days. The blowback action fires from a closed bolt, and the controls are identical to any standard AR, so there's no learning curve. As a bonus, 9mm range ammo typically costs less than 5.56, so it's an economical trainer too.

Additional information

UPC

098289023285

Manufacturer

Manufacturer Part Number

AR6951

Action

ATF Type

SPORTING RIFLE

Barrel Length

16.1"

Caliber/Gauge

9mm

Capacity

32 + 1

Color

Black

Length

40.5500

Model

Product Type

AR

Safety

Lever Action

Shipping Weight

8.5

Sights

A2 Front/Folding Rear

State Restriction (CA)

NO DIRECT SHIP TO CALIFORNIA

State Restriction (IL)

NO SALE TO ILLINOIS PICA

State Restriction (OR)

NO SALE TO OREGON

State Restriction (RI)

NO DIRECT SHIP TO RHODE ISLAND

State Restriction (WA)

NO DIRECT SHIP TO WASHINGTON

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