Aero Cmplt Upper 5.56 16" Moe

The Aero Precision Complete Upper Receiver 5.56 NATO 16" with Magpul MOE Handguard gives you a ready-to-run upper assembly that handles the heavy lifting on your AR build. This is a genuinely complete upper — barrel, handguard, gas system, and muzzle device all pinned and fitted from the factory — so you can mount it straight onto your lower receiver and get to work. The 16" carbine-profile barrel in 5.56 NATO is the sweet spot for most shooters: short enough for handling in tight spaces, long enough to deliver reliable velocity and accuracy out to practical distances. If you've been hunting for a no-fuss upper that doesn't require gunsmithing or guessing on compatibility, this one takes the guesswork out.

You're getting proven Aero Precision quality here. The upper receiver itself is standard AR15 spec, which means total compatibility with your favorite lower. The barrel comes with a pinned front sight base, so you've got a solid platform if you're running irons or planning to co-witness optics. Aero's attention to detail shows in the fit and finish — these aren't stamped-out bargain bins; they're built to last and shoot straight.

The Magpul MOE SL handguard is a practical choice. It's lightweight, runs a carbine-length gas system, and gives you real estate for mounting accessories or just keeping your hand comfortable during strings of fire. The A2 flash hider comes pinned on, ready to go. One thing to note: this upper doesn't include a charging handle or bolt carrier group, so you'll need to source those separately if you don't already have them. That said, it keeps the price honest and lets you choose exactly what BCG and charging handle fit your setup.

Whether you're completing a rifle for hunting, range work, or general marksmanship, this upper delivers solid fundamentals without the markup of a complete rifle. It's the kind of piece that works, goes back in the safe, and doesn't give you grief when you take it out next season.

Key Features

• 16" 5.56 NATO carbine-profile barrel with pinned front sight base
• Standard AR15 upper receiver with full compatibility
• Magpul MOE SL handguard — lightweight and modular
• Carbine-length gas system for reliable cycling
• A2 flash hider pinned and ready
• Factory-assembled and tested — no gunsmithing required

Specifications

Frequently Asked Questions

Will this upper fit my AR lower receiver?

Yes. This is a standard AR15 upper receiver, so it's compatible with any standard AR15 lower. Just make sure your lower is chambered for 5.56 NATO to avoid any confusion.

What do I need to add to make this a complete rifle?

You'll need a lower receiver assembly (if you don't already have one), plus a charging handle and bolt carrier group. This upper doesn't include those parts, so you can choose components that match your preferences and budget.

Is the front sight base removable?

No — the front sight base is pinned in place. If you're planning to run an optic and co-witness with irons, or just want to keep the irons, you're all set. If you want to remove it later, you'd need a gunsmith.

What's the difference between the MOE SL and other handguards?

The Magpul MOE SL is known for being lightweight and offering a good balance of modularity and ergonomics. On this upper, it's paired with a carbine-length gas system for a compact, handy package.