Our state of the art M4E1 platform starts here, with the M4E1 Upper Receiver. The M4E1 upper receiver is a one-piece design combining the handguard mounting platform with the upper itself. Through superior engineering, we have condensed the parts needed to mount a free-floated handguard to a mere 8 screws. Since the handguard mounting surface and upper are of the same forging, not only is it a stronger system, but we are able to make additional lightening cuts to save weight and allow for more efficient cooling.
Ease of installation - Simply insert your barrel assembly into the M4E1 upper, tighten it using the provided barrel nut and wrench, slide your rail on and tighten the rail screws. Within minutes you have a modular, free-floated rail.
.250 takedown pin holes
Lazer engraved T-marks
Comes assembled, with dust cover and forward assist installed
M4E1 Specific Details
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
These uppers are not piston-kit compatible
AR15 M4E1 Upper Receiver in Anodized Black
Port Door and Forward Assist installed
Barrel nut wrench
Gen 2 Enhanced M-LOK Handguards are now available! Changes 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.
Our Enhanced M-LOK (EM) Handguards provide a lightweight free float design for your custom AR15 build. The M-LOK system allows advanced modularity past the current 1913 picatinny rail system. Machined to mil-spec dimensions and engineered to perfection, this handguard eliminates bulk while retaining strength and stability.
1pc free float design
Built in anti-rotation tabs
Continuous top rail
1.72" 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
Are you attaching this handguard to a standard threaded upper receiver?
*Please note - This handguard is specific to the AR15/M4E1 platform. It is not compatible with the M5 .308/M5E1 platform.