AR-15
Best AR-15 Complete Upper Receivers [Tested]
Our favorite complete AR-15 upper receiver picks for general purpose, short barrel, pinned, and lightweight builds.
Category Flash Hiders
- Gun Reviews
BCA Bolt-Action AR-15 & AR-10 Uppers: 6mm ARC & 6.5 Creedmoor [REVIEW]
We look at two different AR bolt-action uppers from Bear Creek Arsenal to see if they are a pair of smoking aces or a risky gamble.
- AR-15
Bear Creek Arsenal Bolt-Action Upper [Review]
When does an AR-15 stop being an AR-15? I shot the BCA Bolt-Action Upper Receiver, and the this odd rifle might just win you over.
- AR-15
8 Best AR-15 Stripped Upper Receivers [2026]
Not sure what AR-15 stripped upper receiver to get? We go through our personal go-to mil-spec receiver, lightweight, and just plain cool options.
- AR-15
Best 9mm AR-15 Uppers: It's PCC Time
Easily make your AR-15 shoot 9mm? We cover the best 9mm uppers to convert your familiar AR to cheaper shooting pistol calibers.
- Buyer's Guide
5 Best 6.5 Grendel Uppers [Hands-On]
Thinking of a 6.5 Grendel AR-15? We hands-on shoot 5 of the most popular uppers available so you'll know which to get for your purpose and budget.
- AR-15
[Review+Video] Palmetto State Armory (PSA).224 Valkyrie Upper
Want a 1300 yard AR-15? We review PSA's .224 Valkyrie upper for reliability, accuracy, and worth-it-ness. Plus pics and videos of our long range shots.
- AR-15
[Review] Aero Precision Upper M4E1 16” 5.56 Mid-Length
Find out why the Aero M4E1 is the best "bang for the buck" rifle with our in-depth review on look/feel, reliability, upgrades, accuracy, and more.
