M4E1 Threaded Complete Upper, 16" 5.56 Mid-Length Gov Barrel w/ 13.5" Slimline Handguard - Anodized Black

This complete upper includes our Slimline Handguard. 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 Assembled Upper Receiver 13.5" Slimline Handguard 16" 5.56 Gov 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 UPPER FEATURES: M4 Feedramps .250 takedown pin holes Laser engraved T-marks 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" 5.56 MID-LENGTH BARREL FEATURES: 5.56 QPQ Finish Gov Profile .750" gas block journal Mid-length gas system M4 Feed Ramp Extension HP and MPI tested Standard A2 Flash Hider