Aero Precision APAR700315M73 M4E1 Threaded Upper 18 in .223 Wylde Atlas S-ONE M-LOK

Aero Precision APAR700315M73: This complete upper includes Aero Precision's ATLAS S-ONE Handguard. The ATLAS S-ONE line is designed with size and weight in mind, providing a lightweight, sturdy upper for builds. Our ATLAS attachment system is a durable mounting platform that maintains a slim profile while providing strength and stability. This complete upper does not include BCG or Charging Handle.

Includes:

• M4E1 Threaded Assembled Upper Receiver
• 15" M-LOK ATLAS S-ONE Handguard
• 18" .223 Wylde Stainless Steel QPQ Barrel, Rifle Length
• Pinned Low Profile Gas Block and Rifle Length Gas Tube
• A2 Flash Hider
• Product comes assembled

M4E1 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
• Includes port door and forward assist installed

ATLAS S-ONE Handguard Features:

• Front and rear picatinny rail
• Eliminated center of top rail for weight reduction
• Indexing grooves in 12:00 position for positive grip control
• Quick disconnect sling sockets at 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

18" .223 Wylde Stainless Barrel Features:

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

Finish: Cerakote FDE