Aero Precision M4E1 Enhanced 10.5" 5.56 No Forward Assist Complete Upper Receiver with 9" M-LOK Handguard - Anodized Black - APAR612275M2

Aero Precision APAR612275M2: This complete upper receiver features the same tried-and-true construction and aesthetics as Aero Precision's M4E1 Enhanced Upper Receivers, without provisions for a forward assist. The M4E1 Enhanced Upper Receiver is a one-piece design combining the handguard mounting platform with the upper receiver itself. Through superior engineering, Aero Precision has condensed the parts needed to mount a free-floated handguard to a mere 8 screws. Since the handguard mounting surface and upper are of the same forging, not only is it a stronger system, but Aero Precision is able to make additional lightening cuts to save weight and allow for more efficient cooling. This complete upper receiver does not include BCG or Charging Handle.

Includes:

• M4E1 Enhanced Upper Receiver, No Forward Assist
• 9" Gen 2 Enhanced Handguard
• 10.5" 5.56 CMV Barrel
• Low Profile Gas Block and Carbine Length Gas Tube
• Port Door Assembly
• A2 Flash Hider

M4E1 Enhanced, No Forward Assist Upper Receiver Features:

• No Forward Assist
• Custom enhanced forging that gives the upper receiver a "billet look" while maintaining the structural integrity of a forged part.
• Picatinny profile that blends seamlessly with our Enhanced and ATLAS Series Handguards
• M4 Feedramps
• .250 takedown pin holes
• Laser engraved T-marks

Gen 2 Enhanced Handguard Features:

• 1-piece free float design
• Built in anti-rotation tabs
• Scalloped rails
• Continuous top rail
• 1.78" inside diameter
• Compatible with low profile gas blocks
• Gen 2 Feature - Quick disconnect sling socket at the 3, 6 and 9 o'clock positions
• M-LOK attachment points

10.5" 5.56 Barrel Features:

• 5.56 NATO 10.5" 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