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Description
Aero Precision M4E1-T Upper — 11.5" Gov Barrel, MOD 4 Handguard
Aero Precision’s M4E1-T Complete Upper pairs a rugged 11.5" government-contour, 5.56x45mm NATO barrel with the Minimal Optical Deflection (MOD 4) 10.6" handguard to deliver a lightweight, stiff, and field-ready upper assembly. Machined components, a steel barrel nut interface, and smart features like steel-lined QD sockets and a full top Picatinny rail make this upper ideal for precision accessories while minimizing optical and POI shift under load. Ships assembled and ready to install on a mil-spec lower.
FEATURES:
- Complete assembled M4E1 threaded upper receiver (includes port door and forward assist)
- MOD 4 10.6" handguard machined from 6061-T6 aluminum for increased stiffness
- Seven-sided M-LOK interface for modular accessory placement
- Four QD sling sockets with steel liners for higher shear load and longer life
- Full-length top Picatinny rail for optics and backup sights
- Low-profile gas block and standard carbine-length gas tube included
- Anodized finish for corrosion resistance and low-visibility appearance
- Enhanced forging on the M4E1 receiver for a billet-look Picatinny profile
- Product ships assembled for immediate use
SPECIFICATIONS:
- Caliber: 5.56×45mm NATO (marked 223/5.56)
- Barrel Length: 11.5" — Government contour, carbine-length gas system
- Handguard Length: 10.6" — MOD 4, 7-sided M-LOK
- Handguard Inside Diameter: 1.3" (approx.)
- Handguard Outside Diameter: 1.5" (approx.)
- Gas System: Carbine-length
- Gas Block Journal: .750"
- Twist Rate: 1:7
- Barrel Finish: QPQ; includes standard A2 flash hider (installed)
- Test Status: HP and MPI tested barrel
- Compatibility: Mil-spec AR-15 upper receivers and barrels; compatible with low-profile gas blocks
- Origin: Made in USA
Applications
Ideal for tactical builds, patrol and duty rifles, 3-gun/competition platforms, and range or training setups where a short, maneuverable barrel with a stiff, accessory-ready handguard is desired. Suited for shooters who want a compact carbine configuration with durable attachment points for optics, lights, and slings.
Additional Features
- Includes zero-maintenance steel barrel nut mounting system to reduce point-of-impact shift when using IR lasers under load
- Forward assist and dust/port door installed at factory for convenience
- Designed to blend seamlessly with Aero Precision Enhanced Series handguards and accessories
MPN#: APAR700015D29
UPC#: 840014629992
