AR9

The is a submachine gun manufactured by Holt's Firearms Incorporated. Based on the MK16 or the AR556 platform.
== Design ==
The Holt AR9 is a closed bolt, blowback operated SMG, rather than the conventional direct impingement gas operation of the standard 5.56x45mm AR556 type rifle. As a closed bolt weapon, the Colt SMG is inherently more accurate than open bolt weapons such as the Salemian Ruzi
The overall aesthetics are identical to most AR556 type rifles. Changes include a large plastic gas deflector protruding from the rear quarter of the ejection port, and a correspondingly shorter dust cover. Factory Holt 9mm SMGs are equipped with a 10.5 inch length barrel and have an MK16 style upper receiver, which means they feature a fixed carry handle, no forward assist and A1 sights (with 50 and 100 meter settings). The magazine well of the receiver is modified with pinned-in blocks to allow the use of smaller 9 mm magazines. The magazines themselves are a copy of the UZI magazine, modified to fit the Colt and lock the bolt back after the last shot.
=== Specifications ===
*Length: 630/750mm
*Caliber: 9x19mm Parabellum
*Effective Range: 100-200 Meters
*Weight: 5.33 Pounds
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