Aero Precision M4E1 300 BLK 10" Quantum M-LOK Complete Upper
Aero Precision M4E1 300 BLK 10" Quantum M-LOK Complete Upper is the most efficient way to assemble your own semi-custom firearm; fully assembled and warrantied by Aero Precision. This complete upper features an M4E1 Upper Receiver, 9" Quantum M-LOK Handguard, a 10" 300 BLK barrel with a standard birdcage muzzle device, and finished in hard coat black anodize.
**NFA Rules May Apply
***Does not include Bolt Carrier Group or Charging Handle.
M4E1 Upper Receiver Features:
- New enhanced forging that gives the upper receiver a "billet look"
- M4 Feed ramps
- .250 takedown pin holes
- Includes port door and forward assist installed
Quantum Handguard Features:
- 1pc Free Float Design
- Removable 4-slot picatinny rail section for front sight
- Built-in anti-rotational tabs
- 7 mounting surfaces for MLOK accessories.
- 1.78" ID fits most muzzle devices and 1.5" suppressors
- Compatible with low profile gas blocks
- Compatible with mil-spec AR15 upper receivers and barrels
10" 300 BLK Barrel Features:
- Material: Chrome Moly Vanadium
- Finish: QPQ Corrosion-resistant finish both inside and out.
- Gas System: Pistol Gas w/ .750 Journal
- Other: M4 Extension | HP, and MPI Tested
- Standard A2 flash hider
- M4E1 Assembled Upper Receiver
- M-LOK Quantum Handguard
- 10" 300 BLK CMV Barrel
- Low Profile Gas Block and Gas Tube
- Product comes assembled
- This complete upper does not include BCG or Charging Handle.
- The muzzle brake that comes with this complete upper receiver is NOT pinned nor welded to this barrel.
|Made in America||Yes|
|Receiver||M4E1; M4 Feed Ramps|
|Barrel||300 BLK; 10" w/ A2 Birdcage Flash Hider|
|Handguard||Free Float; MLOK; Quantum; 9"|
|Gas System||Pistol; .750 Diameter|