Aero Precision M4E1-T Upper 6.5 Grendel 20 Barrel

Aero Precision M4E1-T 6.5 Grendel Features The M4E1 upper receiver brings billet-style aesthetics and enhanced functionality to your build. Its precision forging blends seamlessly with Aero's ATLAS handguards and features like M4 feedramps laser-engraved T-marks and a port door with forward assist pre-installed elevate both form and function. The included ATLAS R-ONE handguard offers a lightweight rigid design with QD sling sockets at the 3 6 and 9 o clock positions a continuous Picatinny top rail and M-LOK compatibility making it ideal for modern tactical and competition builds. The 6.5 Grendel 20-inch barrel is made from 416R stainless steel with a DMR profile rifle-length gas system and a 1:8 twist rate optimized for a wide range of bullet weights. The 5/8x24 threaded muzzle is fitted with a standard A2-style flash hider and the barrel has undergone HP and MPI testing to ensure performance under pressure. Please note: this assembly does not include a BCG or charging handle and requires a 6.5 Grendel bolt and magazine for proper function. Aero Precision M4E1-T Upper 6.5 Grendel Specifications Manufacturer: Aero Precision Model: M4E1-T Caliber: 6.5 Grendel Barrel Length: 20 Barrel Material: 416R Stainless Steel Barrel Twist: 1:8 Barrel Profile: DMR Gas System: Rifle Length Muzzle Thread: 5/8x24 Muzzle Device: A2-Style Flash Hider Gas Block: .750 Low Profile Receiver Type: M4E1 Threaded Handguard: ATLAS R-ONE M-LOK Handguard Diameter: 1.3 inside / 1.5 outside Feedramps: M4 Feed Ramp Extension Compatibility: AR-15 Platform (6.5 Grendel BCG & Mag Required) Includes: Port Door & Forward Assist Installed Bolt Carrier Group: Not Included Charging Handle: Not Included