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M5E1 Complete Upper, 18″ .308 SS Fluted Barrel, EM-15 Handguard – Anodized Black



This Complete Upper includes our Gen 2 Enhanced Handguard! Key features include the addition of quick disconnect sling sockets, enhanced milling design for grip and visual appeal and a new profile for the picatinny top rail.


    • M5E1 Enhanced Assembled Upper Receiver
    • 15″ Enhanced M-LOK Handguard
    • 18″ .308 Fluted Stainless Steel Barrel, Rifle Length
    • Low Profile Gas Block and Rifle Length Gas Tube
    • .308 A2 Birdcage Flash Hider
    • Product comes assembled
    • This complete upper does not include 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

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 Fluted Stainless Steel Barrel, Rifle Length Features:

    • .308 Winchester 18″ Barrel, 1/10 twist, 416R Stainless Steel, gas port drilled
    • .750 gas block journal
    • Rifle length gas system
    • M4 Feed Ramp Extension
    • HP and MPI tested
    • Standard .308 A2 flash hider


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