M4E1 Threaded 16" 5.56 Mid-Length Gov QPQ No Forward Assist Complete Upper W/ Slimline 13.5" Handguard - Black 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. Includes: M4E1 Enhanced Assembled Upper Receiver 16" 5.56 Mid-Length Gov 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 Upper Features: Forged from 7075 T6 aluminum Precision machined to M4E1 specs M4 feedramps Matte black hard coat anodized Mil 8625 Type 3 Class 2 Laser engraved T-marks Comes assembled, with port door and forward assist installed Accepts standard AR15/M16 components Handguard mounting platform is forged into the receiver Works with Aero Precision handguards but also fits most BAR-system handguards Barrel nut and wrench are included 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 16" 5.56 Mid-Length Barrel Features: Chamber: 5.56 Length: 16" Twist: 1 in 7 Threading: 1/2"x28 Finish: QPQ corrosion resistant finish both inside and out Gas System Length: Mid Weight: 52oz M4 Barrel Extension HP and MPI Tested