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M4E1 Threaded Complete Upper, 11.5" 5.56 Barrel W/ ATLAS R-ONE (W BCG AND CH)

This complete upper bundle has everything you need to hit the ground running on your next build! Included ATLAS Handguard, Black Nitride BCG, BREACH Ambidextrous Charging Handle, and VG6 Gamma Muzzle Device give you all the upgrades you need out of the box!


M4E1 Threaded Assembled Upper Receiver - Anodized Black

10.3" ATLAS R-ONE Handguard

11.5" 5.56 CMV Barrel

Low Profile Gas Block and Carbine Length Gas Tube

AR15 BREACH Ambidextrous Charging Handle (Large Lever)

Black Nitride 5.56 Bolt Carrier Group

VG6 Gamma 556 Muzzle Device

M4E1 Threaded Upper Receiver Features:

New enhanced forging that gives the upper receiver a "billet look"

New picatinny profile that blends seamlessly with our Enhanced Series Handguards

M4 Feedramps

.250 takedown pin holes

Laser engraved T-marks

Includes port door and forward assist installed

ATLAS R-ONE Handguard Features:

Full top picatinny rail for optional attachments

Quick disconnect sling socket 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

11.5" 5.56 Carbine-Length Barrel Features:

5.56 NATO 11.5" Carbine Llength, 1/7 twist, 4150 CrMoV, QPQ, gas port drilled

.750 gas block journal

Carbine-length gas system, .0785 gas port

M4 Feed Ramp Extension

HP and MPI tested


SKUACC-AERO-APSL100385Country of ManufactureUnited StatesLicense RequirementNoneManufacturerAero PrecisionMfg. Part NumberAPSL100385UPCAPSL100385Caliber/Gauge5.56x45Barrel Length11.5"Barrel Twist1:7Barrel FinishQPQ Corrosion ResistantFirearm FitAR-15Threaded BarrelYesConditionNew

M4E1 Threaded Complete Upper, 11.5" 5.56 Barrel W/ ATLAS R-ONE (W BCG AND CH)

$781.97 Regular Price
$547.38Sale Price
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