Aero Precision M4E1-E Complete Upper, 16" 5.56 Mid Barrel, Quantum 15" M-LOK HG Anodized Black APAR640105M7 - $299.95 (Free S/H over $175)

Description

This Complete Upper includes our Quantum Handguard! Key features include the addition of built in anti-rotation tabs, removable 4-slot picatinny rail section for front sight and a 7 mounting surface for accessories.
Includes:
M4E1 Enhanced Assembled Upper Receiver
Enhanced Handguard of choice
16″ 5.56 CMV Barrel
Low Profile Gas Block and Mid-Length Gas Tube
Product comes assembled
This complete upper does not include BCG or Charging Handle.
M4E1 Upper Features:
Forged from 7075 T6 aluminum
Precision machined to M4E1 specs
M4 feedramps
Matte black hard coat anodized Mil 8625 Type 3 Class 2
Laser engraved T-marks
Comes assembled, with port door and forward assist installed
Accepts standard AR15/M16 components
Handguard mounting platform is forged into the receiver
Works with Aero Precision handguards but also fits most BAR-system handguards
Barrel wrench is included
Quantum Handguard Features:
1pc free float design
Removable 4-slot picatinny rail section for front sight
Built in anti-rotation tabs
7 mounting surfaces for KeyMod accessories
1.78″ inside diameter fits most muzzle devices and 1.5″ suppressors
Compatible with low profile gas blocks
16″ 5.56 Mid-Length Barrel Features:
5.56 NATO 16″ Midlength, 1/7 twist, 4150 CrMoV, QPQ, gas port drilled
.750 gas block journal
Mid-length gas system, .0785 gas port
M4 Feed Ramp Extension
HP and MPI tested
Standard A2 flash hider
Specifications:
Made In AMERICA: Yes
Platform: AR-15
Series: M4E1
Caliber: 5.56 NATO
Barrel Length: 16″
Weight: 55.84
Other: No