Aero Precision M4E1 Complete Upper 20in 6.5 Grendel Stainless Steel Barrel EM15 Gen 2 HG Anodized Black

Aero Precision M4E1 Complete Upper 20in 6.5 Grendel Stainless Steel Barrel EM15 Gen 2 HG Anodized Black. 5 Grendel Complete Upper Receiver. Designed to be a low recoil/high accuracy cartridge the 6.5 Grendel is ideal for those looking to stretch the legs of their AR15 rifle with proven results at 1000+ yards. Specifications for Aero Precision M4E1 Enhanced 20in 6.5 Grendel Complete Upper Receiver with Flash Hider: Manufacturer: Aero Precision Caliber: 6.5mm Grendel Overall Length: 30 in Barrel Length: 20 in Barrel Profile: M4 Gas System Length: Rifle Length Barrel Twist Rate: 1-8 Firearms Threads Per Inch: 5/8x24 Handguard Type: Free-Float Muzzle Device: A2 Flash Hider Finish: Anodized Color: Black Gun Model: AR-15 Fabric/Material: 7075 T6 Aluminum Attachment Type: Picatinny Gas Block Journal Size-Diameter: .750 in Gun Rail: Picatinny Gun Make: AR Platform Weight: 70 oz Bolt Carrier Group Included: No Charging Handle Included: No Magazine Included: No Condition: New Included Accessories: None Mount Type: Picatinny Country of Origin: USA Features of Aero Precision M4E1 Enhanced 20in 6.5 Grendel Complete Upper Receiver with Flash Hider M4E1 Enhanced Upper Features: Laser engraved T-marks (Anodized only) Comes assembled with port door and forward assist installed Accepts standard AR15/M16 components Handguard mounting platform is forged into the receiver Works with Aero Precision handguards but also fits most BAR-system handguards Enhanced Handguard Features: Built in Anti-Rotation tabs Scalloped rails Continuous top rail 1.78in inside diameter fits most muzzle devices and 1.5in suppressors Compatible with low profile gas blocks Quick disconnect sling socket at the 3 6 and 9 o'clock positions Additional milling along flats to aid with gripping and add visual appeal New profile for the continuous picatinny top rail Package Contents: Aero Precision M4E1 Enhanced 20in 6.5 Grendel Complete Upper Receiver with Flash Hider M4E1 Enhanced Assembled Upper Receiver Enhanced Handguard of choice 6.5 Grendel 20in Stainless Steel Rifle Length Barrel .750 Low Profile Gas Block and Rifle Length Gas Tube A2-style Flash Hider Product comes assembled What firearm models does the manufacturer say Aero Precision M4E1 Enhanced 20in 6.5 Grendel Complete Upper Receiver with Flash Hider is compatible with? The manufacturer suggests that Aero Precision M4E1 Enhanced 20in 6.5 Grendel Complete Upper Receiver with Flash Hider is compatible with AR-15Aero Precision APAR640232M53: M4E1 Complete Upper 20in 6.5 Grendel Stainless Steel Barrel EM15 Gen 2 HG Anodized Black