This complete upper receiver features the same tried-and-true construction and aesthetics as our 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, we have 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 we are able to make additional lightening cuts to save weight and allow for more efficient cooling.

Includes:

• AR15 Enhanced Upper Receiver with No Forward Assist
• 15" Gen 2 Enhanced Handguard
• 16" 5.56 CMV Barrel
• Low Profile Gas Block and Mid-Length Gas Tube
• Port Door Assembly
• A2 Flash Hider
• This complete upper does not include BCG or Charging Handle. These products may be selected as add-ons
• The muzzle brake that comes with this complete upper receiver is NOT pinned nor welded to this barrel.

AR15 Upper Receiver with No Forward Assist Features:

• M4 Feedramps
• .250 takedown pin holes
• Laser engraved T-marks
• No forward assist provisions
• Port door installed

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

16" 5.56 Barrel Features:

• Chamber: 5.56
• Length: 16"
• Twist: 1 in 7
• Material: Chrome Moly Vanadium
• Gas Block: .750
• M4 Feed Ramp Extension
• HP and MPI Tested