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Aero Precision 16" 5.56 AR15 Carbine Barreled Upper Pinned FSB Magpul MOE Handguard AR-15
Aero Precision 16' 5.56 AR15 Carbine Barreled Upper Pinned FSB Magpul MOE Handguard AR-15

Aero Precision 16" 5.56 AR15 Carbine Barreled Upper Pinned FSB Magpul MOE Handguard AR-15

Part Number:APAR502503M64
On sale: $326.61
Retail Price:$379.99
You Save:$53.38(14%)
In Stock.

Choose Options

One 3" Rail [+$8.95]
Two 3" Rails [+$15.95]
Three 3" Rails [+$23.95]
Add Milspec Charging Handle [+$12.95]
Aero Precision 16" 5.56 AR15 Carbine Barreled Upper 
Pinned A Frame FSB (Front Sight Base) Gas Block
Magpul MOE Handguard AR-15


This AR15 Complete Upper features a 16" 5.56 Carbine Barrel w/ Pinned FSB and Magpul™ MOE® Carbine Handguard

This upper features a 16” barrel chambered in 5.56 NATO. It features a pinned front sight gas block and carbine length gas system a Magpul MOE M-LOK handguard. The upper receiver has forward assist, M4 ramps, is forged from aluminum to Mil-Spec dimensions and hardcoat anodized black. Pick out your favorite bolt carrier group and charging handle and you have a complete upper receiver.

Aero Precision takes some of the most state-of-the-art manufacturing techniques and equipment derived from their work in the aerospace industry and applies it to their products in the firearms industry. They have utilized their knowledge from years of building aircraft components to design and engineer AR-15 handguards, receiver sets, scope mounts, and more. They treat every product as if it were a precision flying machine and adhere to strict quality standards to ensure law enforcement, military, and civilian customers receive a product they can rely on.


  • Salt Bath Nitride Barrel
  • Contour: M4 Barrel
  • Length:16" 
  • Barrel Material: 4150 Chrome Moly Vanadium Steel
  • Caliber: 5.56 NATO
  • Gas System Length: Carbine Direct Impingement 
  • Carbine Length Drop-In Handguard
  • Muzzle Device: A2 Flash Hider 1/2 X 28
  • Lightweight at only 69.2 oz

  • Product comes assembled
  • This complete upper does not include BCG or Charging Handle. These products may be selected as add-ons under the Finish Your Build tab

AR15 Upper Receiver with Forward Assist Features:

  • M4 Feedramps
  • .250 takedown pin holes
  • Laser engraved T-marks
  • Port door installed

16" 5.56 Barrel Features:

  • 5.56 Nato 16" Barrel, 1/7 twist, 4150 CrMoV, QPQ, gas port drilled
  • .750 gas block journal
  • Carbine length gas system, .0785 gas port
  • M4 Feed Ramp Extension
  • HP and MPI tested
  • Standard A2 flash hider

Customer Reviews

5 Stars
Worth the wait, great customer service
Great upper, as expected from Aero Precision. Aaron was great to work with, I understand these are tough times but I always got a prompt reply without getting smoke blown up my ass.
Did you find this helpful?  1 of 1 Found Helpful
Reviewed by:  from Colorado. on 5/13/2021

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