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Internally the Helios Umbrella Corporation M4 features a Tokyo Marui compatible Ver2 metal gearbox featuring heat treated reinforced high speed steel gears (13:1), 8mm steel bearings, full steel toothed piston, and high compression piston head & cylinder. The functional bolt stop holds the mock bolt open to give easy access to the hopup adjustment dial. On top of the rifle you'll find a full-length 20mm Picatinny rail for optics as well as a set of folding front and rear iron sights. The rifle features a light weight, ultra-slim machined aluminum MLOK free-float handguard, prefect for mounting all kinds of MLOK accessories. This AEG features high-detail Umbrella Corporation trademarks stamped deep on both side of the receiver, giving it an authentic appearance. The Helios Umbrella Corporation WRG M4 faithfully recreates the details of the real rifle. The design philosophy behind Umbrella Corporation is to offer practical, functional, and well thought out weapons systems that far exceed the expectations of the consumer to provide a definitive advantage. The Umbrella Corporation Weapons Research Group has been making expertly crafted weapons and weapons accessories since 2007.
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Functional bolt stop hold open for easy hopup access.Ultra slim M-LOK compatible CNC aluminum free float handguard.High quality aluminum alloy receiver with deep stamped roll marks.
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Fully licensed by Umbrella Corporation Weapons Research Group Authentic licensed Umbrella Corporation trademarks on both sides of the receiver, true to its real rifle counterpart.Sniper Rifle & Shotgun Magazines & Shells.