| Overview | Ghost Recon 2 | G.R.A.W. |
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The QBU-88 rifle is a gas operated, semiautomatic rifle. It utilizes a short stroke gas piston, located above the barrel, and three-lug rotating bolt. The action is mounted in the compact steel receiver, and enclosed into a polymer bullpup-type housing. To increase accuracy, the action is mated to a 640 mm long, hammer-forged match-grade barrel. The safety switch is located at the bottom of the receiver, just behind the magazine opening. The QBU-88 rifle is equipped with open, diopter type adjustable sights, mounted on folding posts. It also has a short proprietary Chinese military rail on the receiver which can accept telescope or night sight mounts.