Aero Precision M5E1 Enhanced 18″ .308 Stainless Steel Complete Upper Receiver

Includes:

• M5E1 Assembled Upper Receiver
• Gen 2 Enhanced Handguard of choice
• 18″ .308 Rifle Length Stainless Steel Barrel
• Low Profile Gas Block and Rifle Length Gas Tube
• Product comes assembled
• This complete upper does not include a BCG or Charging Handle. These products may be selected as add-ons under the FINISH YOUR BUILD tab.

M5E1 Upper Features:

• Forged from 7075 T6 aluminum
• Precision machined to our specs
• M4 feedramps
• Laser engraved T-marks (Anodized only)
• .2795” takedown pin holes
• Accepts standard AR .308 components
• Comes with forward assist and port door installed
• Handguard mounting platform is forged into the receiver

NEW Gen 2 Enhanced Handguard Features:

• Added quick disconnect sling socket at the 3, 6 and 9 o’clock positions
• Milled additional surfaces along flats to aid with gripping and add visual appeal
• New profile of the Picatinny Top Rail
• 1pc free float design
• Rail is Machined from 6061-T6 Aluminum
• Built in Anti-Rotation tabs
• Scalloped rails
• Continuous top rail
• 1.78″ inside diameter fits most muzzle devices and 1.5″ suppressors
• Compatible with low profile gas blocks

18″ .308 Stainless Steel Barrel Features:

• Twist: 1 in 10
• Threading: 5/8 x 24
• Material: 416R Stainless Steel
• Finish: Bead Blasted
• Gas Block Journal: .750″
• Gas System Length: Rifle
• Weight: 51.20oz
• DPMS Barrel Extension
• HP and MPI Tested