Upper Receivers/Conv Kits

HM Defense Complete Upper 16" Barrel 5.56 AR-15 M-LOKHm Defenses Mission Is to Advance Ar15 / Ar10 Rifle Technology to Its Highest Level. They Strive To Create Rifles That Are More Accurate, Easier to Maintain and Dependable In Extreme Conditions.1...

HM Defense Complete Upper 16 Long Rail Barrel 5.56 AR-15HM Defense's Mission Is To Advance Ar15 / Ar10 Rifle Technology To Its Highest Level. They Strive To Create Rifles That Are More Accurate, Easier To Maintain And Dependable In Extreme Conditions.1...