Pin this new upper to your Ar15 lower and make your rifle look amazing! Why buy a basic upper with a plastic handguard when you can buy this one that is already upgraded with a slim free float handguard? Features: 16" 4150 CM m4 Barrel .223 Wylde Chamber (shoots both 5.56 and .223) 1:8 Twist 1/2-28 Threads 7075-t6 mil spec aluminum black anodized receiver Carbine Gas system .750 Low profile steel gas block A2 Flash hider 12" Free Float slim Mlok Slanted front handguard Other options such as BCG and Charging Handle can be edited/added using the checkboxes and drop-down menus on this page. from Mid State Firearms

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