Aero Precision M4E1 Enhanced 16″ 6.5 Grendel Complete Upper Receiver w/ Quantum Handguard

Includes:

• M4E1 Enhanced Assembled Upper Receiver
• Quantum Handguard of choice
• 6.5 Grendel 16″ Stainless Steel, Mid-Length Barrel
• .750 Low Profile Gas Block and Mid-Length Gas Tube
• A2-style Flash Hider
• Product comes assembled
• The 6.5 Grendel is designed on the AR15 platform. You will need to purchase a 6.5 Grendel specific bolt and magazine (not currently offered). All other components are standard to the AR15 platform. This upper assembly DOES NOT include a 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 (Anodized only)
• 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 nut and wrench are 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

6.5 Grendel 16″ Stainless Steel, Mid-Length Barrel Features:

• 6.5 Grendel 16″ Mid-Length Barrel
• 416R Stainless Steel finish
• 1/8 twist
• 5/8×24 Threaded Pitch
• SPR Profile
• .750 gas block journal
• Mid-length gas system
• M4 Feed Ramp Extension
• HP and MPI tested