M4E1 Threaded 16" .223 Wylde Hanson Pencil Mid-Length No Forward Assist Complete Upper w/ 15" M-LOK R-ONE Handguard - OD Green Anodized

NOTE: This part features a colored anodized finish. These finishes are held to different aesthetic standards than parts finished in black anodizing or Cerakote. For more information on colored anodizing visit our Knowledge Center. This complete upper receiver features the same tried-and-true construction and aesthetics as our M4E1 Threaded Upper Receivers, without provisions for a forward assist. The included ATLAS R-ONE Handguard is designed with size and weight in mind, while still providing plenty of real-estate to accommodate any attachment needs the end user may have. Our proprietary ATLAS attachment system is a durable and dependable mounting platform, maintaining a slim profile while still providing the strength and stability customers have grown to love from Aero Precision handguards. Includes: M4E1 Threaded Assembled No Forward Assist Upper Receiver 15" ATLAS R-ONE M-LOK Handguard of choice 16" .223 Wylde Hanson Pencil Mid-Length Barrel Low Profile Gas Block and Mid-Length Gas Tube 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 M4E1 Threaded No Forward Assist 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 installed Slimline 15 Handguard Features: Full top picatinny rail for optional attachments Full length MLOK attachment points at the 3, 6, and 9 o’clock positions Compatible with low profile gas blocks 1.3” Inside diameter 1.5” Outside diameter Compatible with mil-spec AR15 upper receivers and barrels 16" .223 Wylde Hanson Pencil Mid-Length Barrel Features: 5.56 NATO 16" Midlength, 1/7 twist, 4150 CrMoV, QPQ, gas port drilled Hanson Profile .625 gas block journal Mid-length gas system M4 Feed Ramp Extension HP and MPI tested Standard A2 flash hider