AR-15 UPPERS

Retac | AR15 Headquarters offers a great selection of AR-15 complete upper assemblies. Whether you are a gun enthusiast or a beginner, we have plenty of options from different barrel lengths, calibers, gas systems, handguards, & rails to choose from to help you complete a custom build or upgrade. Be sure to browse our AR-15 lower parts selection to complete your custom build. We are the AR-15 headquarters!