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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