DSC 16 DS-4 Flattop Upper Complete
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DoubleStar 16” DS-4 Flattop Upper Complete
The DoubleStar 16” DS-4 Flattop Upper Complete includes a 1x9 twist, 16” M4 profile Chrome-Moly barrel with M4 Feed Ramps, an “F” marked Front Sight Tower, Flattop Upper Receiver with M4 Feed Ramps, A2 Flash Hider, Standard Charging Handle, and Bolt Carrier Assembly.