MSF Uppers Gun Parts
(2 deals total)

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1 week ago
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 - 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 - 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.
13 months ago
This premium upper has all the bells & whistles you could ask for. - 416r Stainless Fluted Barrel - .223 Wylde Chamber (shoots 5.56 or .223) - 1 in 8 Twist - 1/2-28 threads - Mid-Length gas, .750 low profile steel gas block. - Competition Muzzle Brake - 15" M-Lok Free Float Handguard - Non-Reciprocating Side Charging Billet Upper Receiver - Titanium Nitride or Nickel Boron BCG (you choose) As with all of our complete uppers, this comes test-fired with head space checked.  Item #: 223wside-18