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The short explanation is this site indexes deals around the web, which are submitted by users of the site. Refresh your browser and this box will disappear. Please forward this error screen to 199. Delta Force replaced its M4s with the HK416 in 2004, after tests revealed that the piston operating system significantly reduces malfunctions while increasing the life of parts. The HK416 has been tested by the United States military and is in use with some law enforcement agencies and special operations units. As of March 2012, fielding of 452 IARs has been completed of 4,748 ordered.
1st Battalion, 25th Marines, out of Fort Devens, MA have deployed the weapon. In December 2017, the Marine Corps revealed a decision to equip every Marine in an infantry squad with the M27. The HK system uses a short-stroke piston driving an operating rod to force the bolt carrier to the rear. This design prevents combustion gases from entering the weapon’s interior—a shortcoming with direct impingement systems.
The reduction in heat and fouling of the bolt carrier group increases the reliability of the weapon and extends the interval between stoppages. During factory tests the HK416 fired 10,000 rounds in full-auto without malfunctioning. It also reduces operator cleaning time and stress on critical components. M16-type weapons fit the HK416. The HK416 rail forearm can be installed and removed without tools by using the bolt locking lug as the screwdriver. The rail forearm is “free-floating” and does not contact the barrel, improving accuracy. The HK416 has an adjustable multi-position telescopic butt stock, offering six different lengths of pull.
It can also be switched out for other variations like Magpul stocks. The cold hammer-forging process provides a stronger barrel for greater safety in case of an obstructed bore or for extended firing sessions. HK416 fire safely after being submerged in water. It includes international symbols for safe, semi-automatic, and fully automatic.