Alexander Arms Tactical 16" Upper 6.5 Grendel 1:8, Black - UTA65

Alexander Arms Tactical Upper Receiver AR-15 6.5mm Grendel 18 inch Barrel 1-8 Twist 5/8x24 Thread A2 Flash Hider Black Anodized 10RD. Specifications for Alexander Arms AR-15 6.5mm Grendel Tactical Upper Receiver: Manufacturer: Alexander Arms Caliber: 6.5mm Grendel Overall Length: 23.5 in Barrel Length: 18 in Barrel Profile: Fluted Light Weight Gas System Length: Mid Length Barrel Twist Rate: 1-8 Threads per Inch: 5/8x24 Muzzle Device: Thread Protector Finish: Anodized Color: Matte Black Fabric/Material: Steel Gas Block Journal Size-Diameter: .875 in Handguard Length: 15 in Gun Rail: Picatinny M-LOK Gun Type: Rifle Gun Make: AR Platform Gun Model: AR-15 Weight: 3.69 lb Condition: New Barrel Material: 416R Stainless Steel Bolt Carrier Group Included: MIL-SPEC Magazine Included: Yes Charging Handle Included: MIL-SPEC Mount Type: M-LOK Features of Alexander Arms Alexander Ar15 Tactical Upper 6.5 Grendel 18" Black TCE Alexander Arms Hand Guard One 10 Round Magazine Package Contents: Alexander Arms Alexander Ar15 Tactical Upper 6.5 Grendel 18" Black Bolt Carrier Group TCE Alexander Arms Hand Guard A2 Flash Hider Thread Protector What firearm models does the manufacturer say Alexander Arms AR-15 6.5mm Grendel Tactical Upper Receiver is compatible with? The manufacturer suggests that Alexander Arms AR-15 6.5mm Grendel Tactical Upper Receiver is compatible with AR-15Alexander Arms UTA-65-10RD: Tactical Upper Receiver AR-15 6.5mm Grendel 18 inch Barrel 1-8 Twist 5/8x24 Thread A2 Flash Hider Black Anodized