Palmetto State Armory offers a great selection of AR-15 upper assemblies. Whether you are a gun enthusiast or a beginner, we have plenty of options from different barrel lengths, calibers, …

Find the Best selection of AR-15 complete uppers, featuring an upper receiver, M-LOK rail, flash hider, and AR-15 barrel, available in the most popular calibers.

Discover premium AR-15 Complete Uppers starting at just $239! Shop a variety of top-quality options, including complete uppers with bolt carrier groups, 5.56/.223 calibers, blemished …

Shop our Selection of AR15 Upper Receivers. Uppers from brands like Anderson Manufacturing, Radical Firearms, Aero Precision, Colt, Bravo Company & More.

Finish your AR15 build with one of our Upper Receiver options, from DIY to complete pre-built or matched receivers sets.

Shop AR Complete Uppers for AR-15, 308, AR-10, and 300 Blackout. We carry brands like Daniel Defense, FN, and Knights Armament.

AR 15 Complete Upper Receivers come with everything installed from the barrel to the handguard allowing you to throw it on a lower and head to the range.

We have Complete AR15 Upper Receivers including barrels, buttstocks, buffers, spring tubes, and the correct gun parts kits for installation on your lower receiver. Whether you're building a …

Aero Precision AR-15 Complete Upper, 16″ 5.56 Mid-Length Barrel w/ Pinned FSB, M4 Handguard (Includes BCG & CH)

Find your AR15 Uppers Products at Brownells with 4.5 Ratings out of 579 Reviews from verified buyers and Up To 25% Off from Top Brands including AERO PRECISION, BROWNELLS …