Aero Precision M4E1 Threaded 16" .223 Wylde Mid-Length Complete Upper w/ 15" Logic M-LOK Handguard, VG6 Epsilon SL - $299.95 - Limited Time Only! 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. This upper features an Epsilon SL muzzle device by VG6, which utilizes an aggressive chamber design that significantly improves gas flow and reduces felt recoil.
Includes M4E1 Threaded Assembled No Forward Assist Upper Receiver 15" Logic M-LOK Handguard 16" .223 Wylde Hanson Mid-Length Barrel Low Profile Gas Block and Mid-Length Gas Tube Product comes assembled VG6 Epsilon SL This complete upper does not include the BCG or the Charging Handle. 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 a port door installed Logic M-LOK 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 VG6 Epsilon SL SHOP ALL AR-15 Parts Deals