Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver 20in 1-7 Twist A2 Flash Hider ATLAS R-ONE Handguard Black Anodized

Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver 20in 1-7 Twist A2 Flash Hider ATLAS R-ONE Handguard Black Anodized. The R-ONE handguards are designed with size and weight in mind while still providing plenty of real-estate to accommodate any attachment needs the end user may have. 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. Specifications for Aero Precision M4E1 Threaded 20in 5.56 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 Firearms Threads Per Inch: 1/2x28 Muzzle Device: A2 Flash Hider Finish: QPQ Corrosion Resistant Color: Black Anodized Gun Model: AR-15 Fabric/Material: Chrome Moly Vanadium Gas Block Journal Size-Diameter: .750 in Handguard Length: 15 in Gun Rail: Picatinny Gun Type: Rifle Gun Make: AR Platform Weight: 26 oz 70 oz Magazine Included: No Condition: New Included Accessories: None Country of Origin: USA Features of Aero Precision M4E1 Threaded 20in 5.56 Complete Upper Receiver with Flash Hider Enhanced forging that gives the upper receiver a "billet look". Picatinny profile that blends seamlessly with our Enhanced Series Handguards. .250 takedown pin holes. Laser engraved T-marks. Includes port door and forward assist installed. 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. Compatible with mil-spec AR15 upper receivers and barrels. Package Contents: Aero Precision M4E1 Threaded 20in 5.56 Complete Upper Receiver with Flash Hider What firearm models does the manufacturer say Aero Precision M4E1 Threaded 20in 5.56 Complete Upper Receiver with Flash Hider is compatible with? The manufacturer suggests that Aero Precision M4E1 Threaded 20in 5.56 Complete Upper Receiver with Flash Hider is compatible with AR-15Aero Precision APAR700705M48: M4E1 Threaded 5.56mm Complete Upper Receiver 20in 1-7 Twist A2 Flash Hider ATLAS R-ONE Handguard Black Anodized