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Guns & Weapons

CMMG M4 LE 9mm

Posted by Paul Markel. Author Archive »
Images by Steve Woods

Heavy-duty trainer— perfect for the SHOOT-N-MOVE drills!

cmmg

Taking a quick trip  over to the Cabela’s website I found that Remington UMC 9mm FMJ ammunition could be had for $78.99 for 250 rounds. By comparison, the .223 UMC ammunition was $154.99 for 300 rounds. This makes the 9mm essentially 30 cents a round while the .223 was about 50 cents per shot. If a person could train with an AR platform rifle chambered in 9mm, they could save 20 cents per trigger pull.

cmmg2Well, guess what? You can have an AR/M4 platform rifle that feeds 9mm and CMMG, Inc. is offering that carbine right now. The firearm is titled the “M4 LE 9mm” rifle.

This carbine-length gun has a 16-inch barrel made of 4140 Chrome-moly vanadium and it is coated in what CMMG calls their WASP (Weapons Armored Surface Protection) finish. It is in essence a treatment, not a plating, and gives a better protection than traditional chrome plating.

Rifling is a 1-in-10-inch twist with a muzzle brake that is of NATO style birdcage. The upper receiver is an A3 variety including a flattop rail. The standard “A frame” front sight housing has a bayonet lug and forward sling swivel. Handguards are typical M4 style.

Mimicking the M4, the lower receiver has a retractable stock, AR pistol grip and all the controls you would find on an M4 style carbine. The most notable difference between the M4 LE and a 5.56mm M4 is the fact that, unlike other 9mm converted lowers with plugs; the CMMG lower receiver was purposely machined from 7075-T6 aluminum to accept a 9mm stick magazine.

As for the action, the trigger assembly on this rifle is semi-automatic and the gun operates not by gas-impingement but with a straight blowback. The manual safety, magazine release button, charging handle, bolt catch, and both the pivot pin and takedown pin are stock AR.

Fitted onto the flattop rail was a fold-down/flip-up rear sight. This sight is adjustable for windage and has dual apertures; large and small, just like an A2 rear sight. The A2 front sight adjusts for elevation with quarter clicks.

... for more on this
pick up the January 2010 issue of Guns & Weapons

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