Aero Precision – M4E1 Threaded 11.5″ 5.56 Barrel Complete Upper Receiver w/ 9″ M-LOK ATLAS S-ONE Handguard – FDE Cerakote

Enhance the tactical capabilities of your weapon by equipping this  M4E1 Threaded 11.5in 5.56 w/ ATLAS S-ONE, w/ A2 Flash Hider Handguard Complete Upper Receiver. Each of these AR15 Upper Receivers by Aero Precision feature front and rear Picatinny railswith engraved T-marks to easily attach optics, lasers, lights and other accessories The Aero Precision M4E1 Threaded 5.56 w/ ATLAS S-ONE Handguard Complete Upper Rifle Receiver also has QD sling socketsat the 3, 6 and 9 o’clock positions for the attachment of a sling. Create a tougher, more customized weapon by installing this  M4E1 Threaded 11.5in 5.56 w/ ATLAS S-ONE Handguard Complete Upper Receiver, 11.5in Barrel.