M4E1 Threaded 16" .223 Wylde Mid-Length No Forward Assist Complete Upper w/ 15" Slimline Handguard - OD Green Anodized

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 Slimline handguards have a unique milling profile, designed to maximize grip ergonomics and minimize weight while still providing plenty of real-estate to accommodate any attachment needs the end user may have. This handguard maintains 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" Slimline Handguard 16" .223 Wylde Hanson 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 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 NOT Compatible with M4E1 Enhanced Upper Receivers 16" .223 Wylde Hanson Mid-Length Barrel Features: 1/7 twist, gas port drilled Hanson Profile Mid-length gas system M4 Feed Ramp Extension HP and MPI tested Standard A2 flash hider