Aero Precision Complete Upper Receiver M4E1-T 20in 5.56 Rifle Length Barrel 15in M-LOK ATLAS S-ONE Handguard Anodized Black

Aero Precision Complete Upper Receiver M4E1-T 20in 5.56 Rifle Length Barrel 15in M-LOK ATLAS S-ONE Handguard Anodized Black. Aero Precision built these AR Handguards & Barrels with their ATLAS S-ONE Handguard and 20in 5.56 Rifle length barrel for top-shelf quality. The handguard included with this Aero Precision Complete Upper Receiver w/ ATLAS S-ONE Handguard includes indexing grooves at the 12:00 position for positive grip control during shooting sessions. Also the top rail on these uppers is cut from the center of the top rail reducing the weight. There's a quick-disconnect sling socket at the 3:00 and 9 o'clock positions so that you can carry your rifle on your side or use a sling for added mobility. Complete your rifle build with this high quality Aero Precision M4E1 Threaded NATO w/ ATLAS S-ONE Handguard Complete Upper Receiver Package. Specifications for Aero Precision M4E1 Threaded 20in 5.56 w/ ATLAS S-ONE Handguard Complete Upper Receiver with Flash Hider: Manufacturer: Aero Precision Caliber: 5.56x45mm NATO Overall Length: 30 in Barrel Length: 20 in Barrel Profile: Government Gas System Length: Rifle Length Barrel Twist Rate: 1-7 Muzzle Device: A2 Flash Hider Gun Model: AR-15 M16 Fabric/Material: 4150 CrMoV Gas Block Journal Size-Diameter: .750 in Handguard Length: 15 in Handguard Style: Hybrid Rail Gun Rail: M-LOK Gun Type: Rifle Gun Make: AR Platform Aero Precision Gas System Type: Proprietary Weight: 70 oz Magazine Included: No Condition: New Included Accessories: Standard None Country of Origin: USA Features of Aero Precision M4E1 Threaded 20in 5.56 w/ ATLAS S-ONE Handguard Complete Upper Receiver with Flash Hider 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 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 socket at the 3 6 and 9 o'clock positions Compatible with low profile gas blocks Compatible with mil-spec AR15 upper receivers and barrels 4150 CrMoV QPQ gas port drilled .0785 gas port M4 Feed Ramp Extension HP and MPI tested Standard A2 flash hider Package Contents: Aero Precision M4E1 Threaded 20in 5.56 w/ ATLAS S-ONE Handguard Complete Upper Receiver with Flash Hider 5.56 CMV Barrel (Carbine Length) Low Profile Gas Block Carbine Length Gas Tube What firearm models does the manufacturer say Aero Precision M4E1 Threaded 20in 5.56 w/ ATLAS S-ONE Handguard Complete Upper Receiver with Flash Hider is compatible with? The manufacturer says that Aero Precision M4E1 Threaded 20in 5.56 w/ ATLAS S-ONE Handguard Complete Upper Receiver with Flash Hider is compatible with AR-15 M16Aero Precision APAR700305M48: M4E1-T Complete Upper 20in 5.56 Rifle Length Barrel 15in M-LOK ATLAS S-ONE Handguard Anodized Black