Tactical Military Arms

LE6940P: A Cleaner Burning Colt

The Colt Piston AR LE6940P.

The Colt Piston AR LE6940P.

Colt Defense has modified its one-piece monolithic upper receiver into the LE6940P — a piston operated AR. This modular carbine has an articulating link piston (ALP) operating system and offers shooters a highly accurate, lightweight and easy-to-clean AR-platform rifle with an extended lifespan.

“The new LE6940P puts to use a new, improved version of a piston system that Colt originally pioneered for the US Army,” said David Ridley, Vice President of Colt Defense LLC, “Now, any civilian shooter or law enforcement professional has the opportunity to shoot using this superior piston-operated AR.”

The advanced piston carbine (APC) is a lightweight, highly accurate alternative to the traditional direct gas impingement system found in most ARs. The LE6940P’s piston system is said to reduce inherent stress in the piston stroke by allowing for deflection and thermal expansion. As a result, accuracy improves and the weapon’s lifespan is extended, says Colt.

Measuring 35 inches with the stock extended and weighing just over six and a half pounds, the LE6940P was designed to be lightweight — a handy feature sure to help reduce shooter fatigue. A one-piece monolithic upper receiver gives ease in assembling parts, disassembling and cleaning. The 5.56mm, magazine-fed carbine has a semi-automatic rate of fire with 700 to 950 rounds per minute. Chambered in .223 Rem (5.56 x 45 NATO), this rifle has an effective range distance of 600 meters.

A continuous rail from the rear of the upper receiver to the front sight provides repeatability for mounting optical systems, not found with most aftermarket rail systems. In order to enhance the shooters’ versatility in both close quarters and long range, Colt has also incorporated a back up iron sight (BUIS) and a folding front sight.

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