{"id":1568,"date":"2026-01-24T12:48:27","date_gmt":"2026-01-24T12:48:27","guid":{"rendered":"https:\/\/polymer80firearms.com\/?post_type=product&p=1568"},"modified":"2026-01-24T12:48:43","modified_gmt":"2026-01-24T12:48:43","slug":"radical-firearms-16%e2%80%b3-5-56-m-lok-upper","status":"publish","type":"product","link":"https:\/\/usaguncenter.com\/polymer80\/product\/radical-firearms-16%e2%80%b3-5-56-m-lok-upper\/","title":{"rendered":"Radical Firearms 16\u2033 5.56 M-Lok Upper"},"content":{"rendered":"
\n

Description<\/strong><\/p>\n

To compliment our 80 lowers, we offer AR15 complete uppers from Radical Firearms which will work perfectly for your next build. This complete upper features a M-lok handguard and 16\u2033 barrel chambered in 5.56mm NATO.<\/p>\n

These uppers from Radical Firearms include a forward assist, dust cover, bolt carrier group, and charging handle pre-assembled from the factory so it should be good to go right out of the box!<\/p>\n

Features:<\/h3>\n
    \n
  • Barrel Length:<\/strong>\u00a016\u2033<\/li>\n
  • Gas System:<\/strong>\u00a0Medium Length<\/li>\n
  • Barrel Profile:<\/strong>\u00a0Socom Profile<\/li>\n
  • Barrel Material:<\/strong>\u00a04140 Chrome Moly Vanadium<\/li>\n
  • Barrel Finish:<\/strong>\u00a0Melonite<\/li>\n
  • Muzzle Thread:<\/strong>\u00a01\/2\u00d728<\/li>\n
  • Chamber:<\/strong>\u00a05.56mm<\/li>\n
  • Twist Rate:<\/strong>\u00a01:7<\/li>\n
  • Barrel Extension:<\/strong>\u00a0M4 Feed Ramp<\/li>\n
  • Gas Block Type:\u00a0<\/strong>.750 Low-profile Gas Block<\/li>\n
  • Muzzle Device:<\/strong>\u00a0A2 Flash Hider<\/li>\n
  • Upper Receiver Material:\u00a0<\/strong>Forged 7075 T6<\/li>\n
  • Upper Receiver Style:\u00a0<\/strong>M4 MIL-STD<\/li>\n
  • Upper Receiver Finish:<\/strong>\u00a0Type III Anodizing<\/li>\n
  • Forward Assist:\u00a0<\/strong>Yes<\/li>\n
  • Dust Cover:<\/strong>\u00a0Yes<\/li>\n
  • Handguard Type:\u00a0<\/strong>Free Float<\/li>\n
  • Handguard Style:<\/strong>\u00a0M-Lok Thin Rail<\/li>\n
  • Handguard Length:\u00a0<\/strong>15\u2033<\/li>\n
  • Charging Handle:\u00a0<\/strong>MIL-STD<\/li>\n
  • Bolt Carrier Group Included:<\/strong>\u00a0Yes<\/li>\n
  • BCG Finish:<\/strong>\u00a0Nitride<\/li>\n<\/ul>\n

    The Radical Firearms 16\u2033 Socom profile 5.56mm is a complete MIL-STD upper ready to drop on any MIL-STD lower Receiver. Perfect for the novice or advanced shooter wanting to finish out that build and hit the range. Built with our 15\u2033 RPR free float rail system for increased accuracy and keeping your hands cool. No matter what your style of shooting is, Radical Firearms has you covered.<\/p>\n

    Each upper is assembled by Radical Firearms. If there are any issues please contact Radical Firearms as units are received sealed and sent out to customers sealed from Radical Firearms.<\/p>\n

    Bolt carrier group and charging handle included.<\/p>\n

    Shipping Restrictions:\u00a0<\/h3>\n

    This item is restricted from shipping to the following:\u00a0California, Colorado, Connecticut, Hawaii, Illinois, Maryland, Nevada, New Jersey, New York, Philadelphia, York City, and Reading Pennsylvania, Rhode Island, Washington, and Washington D.C.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

    Description To compliment our 80 lowers, we offer AR15 complete uppers from Radical Firearms which will work perfectly for your next build. This complete upper features a M-lok handguard and 16\u2033 barrel chambered in 5.56mm NATO. These uppers from Radical Firearms include a forward assist, dust cover, bolt carrier group, and charging handle pre-assembled from […]<\/p>\n","protected":false},"featured_media":1598,"comment_status":"open","ping_status":"closed","template":"","meta":{"_gspb_post_css":"","iawp_total_views":0},"product_brand":[23],"product_cat":[34],"product_tag":[],"class_list":{"0":"post-1568","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-polymer80","7":"product_cat-complete-ar-15-upper-receivers","9":"first","10":"instock","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"yoast_head":"\nRadical Firearms 16\u2033 5.56 M-Lok Upper - Polymer 80 Firearms - Authorized Polymer80 Distributor<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/usaguncenter.com\/polymer80\/product\/radical-firearms-16\u2033-5-56-m-lok-upper\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Radical Firearms 16\u2033 5.56 M-Lok Upper\" \/>\n<meta property=\"og:description\" content=\"Description To compliment our 80 lowers, we offer AR15 complete uppers from Radical Firearms which will work perfectly for your next build. 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