Aero Precision M4E1 Threaded 18" .223 Wylde SS QPQ Upper w/ 15" M-LOK ATLAS R-ONE Handguard Anodized Black - $349.95

Description

This complete upper features the best of the best, including a fluted accuracy-enhancing 223 Wylde chambered and QPQ-treated stainless steel barrel, the acclaimed ATLAS R-ONE Handguard, and the ever-popular and stylish M4E1-Threaded upper receiver.

Fire match accurate 223 Remington specification ammunition while maintaining the safety and reliability capability of 5.56 NATO specification ammunition, a winning combo at whatever contest you enter.

M4E1 Threaded Upper 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
– Learn More about our NEW ATLAS Handguards

18" .223 Wylde Barrel Features

– .223 Wylde 18" Rifle Length Barrel, 1/8 Twist
– QPQ Corrosion-Resistant Finish
– .750 gas block journal
– Rifle-length gas system
– M4 Feed Ramp Extension
– HP and MPI tested
– Standard A2 flash hider