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Aero Precision – M4E1 Enhanced 20” Complete Upper Receiver – Black – 6.5


M4E1 Enhanced 20” Complete Upper Receiver

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SKU: A15-AP-MLOK-065-BLK-020-A12 Category: Tag:

Listing Code : A15-AP-MLOK-065-BLK-020-A12 BG0430C (Include With Payment) 

This Complete Upper includes Gen 2 Enhanced Handguard! Key features include the addition of quick disconnect sling sockets, enhanced milling design for grip and visual appeal and a new profile for the picatinny top rail.

M4E1 Enhanced Assembled Upper Receiver
Enhanced Handguard of choice
20″ 6.5 Grendel Rifle Length CMV Barrel
Low Profile Gas Block and Rifle 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 (Anodized only)
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
Enhanced Handguard Features:
1pc free float design
Rail is Machined from 6061-T6 Aluminum
Built in Anti-Rotation tabs
Scalloped rails
Continuous top rail
1.78″ inside diameter fits most muzzle devices and 1.5″ suppressors
Compatible with low profile gas blocks
Gen 2 Feature – Quick disconnect sling socket at the 3, 6 and 9 o’clock positions
Gen 2 Feature – Additional milling along flats to aid with gripping and add visual appeal
Gen 2 Feature – New profile for the continuous picatinny top rail
4150 CrMoV w/ QPQ finish
1/7 twist
Government Profile
.750 gas block journal
Rifle length gas system
M4 Feed Ramp Extension
HP and MPI tested
Standard A2 flash hider




6.5 Grendel








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