Aero Precision M4E1 Threaded Complete Upper, 12.5″ 5.56 Carbine Length Barrel w/ 10.3″ ATLAS R-ONE M-LOK HG – Anodized Black – APAR700703M30

Description This complete upper includes our ATLAS S-ONE Handguard! The S-ONE line of handguards are designed with size and weight in mind, providing the perfect addition to your lightweight build. Our proprietary ATLAS attachment system is a durable and dependable mounting platform, maintaining a slim profile while still providing the strength and stability customers have grown to love from Aero Precision handguards. INCLUDES: M4E1 Threaded Assembled Upper Receiver 10.3″ M-LOK ATLAS S-ONE Handguard 12.5″ 5.56 Government Profile CMV Barrel, Carbine Length Low Profile Gas Block and Carbine Length Gas Tube AR15 A2 Birdcage Flash Hider Product comes assembled This complete upper does not include BCG or Charging Handle. These products may be selected as add-ons under the FINISH YOUR BUILD tab 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 Additional information Weight 110 oz Dimensions 28 × 5 × 5 in Barrel Length 12.5 Cartridge Compatibility 5.56 NATO MPN APAR700703M30 UPC 840014620616