Search results for "ubk-rtb1655615-fde"

RTB Upper Build Kit 16" 5.56 - FDE A2 15" M-LOK With BCG & CH - $291.49 This build kit DOES NOT come assembled. This Complete 16 inch M-LOK upper receiver build kit comes with our RTB 15 inch free float handguard and includes only the best Mil-Spec components for your AR15 build. The core components