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M4E1 THREADED UPPER RECEIVER FEATURES:

  • New enhanced forging that gives the upper receiver a "billet look"
  • New picatinny profile that blends seamlessly with our Enhanced Series Handguards
  • M4 Feedramps
  • .250 takedown pin holes
  • Laser engraved T-marks
  • Includes port door and forward assist installed

16" 5.56 MID-LENGTH BARREL FEATURES:

  • 5.56x45mm NATO
  • QPQ Finish
  • Gov Profile
  • .750" gas block journal
  • Mid-Length Gas System
  • 1/7 Twist Rate
  • M4 Feed Ramp Extension
  • HP and MPI Tested
  • Standard A2 Flash Hider

15.2" ION HDX MLOK Handguard F Model

6061 Aluminum

Full top rail

11.3oz with Barrel nut and Hardware

Ultra Rigid Duty Spec Handguard

2 Rotation Liminted QD swivel mounting points

No timing of barrel nut required, no shims needed

Works with any receiver forged or billet

1.35" ID 

Black Mil-Spec Hardcoat Anodize

7075 Barrel nut w/ Hardcoat Anodize

Free Floating Design

Proven Slip fit locking mount design

Billet Anti Rotation Insert (black insert included)

Proven Anti Slip Design  keys into barrel nut

Barrel nut uses standard wrenches or SLR Billet wrench for perfect fit