Alexander Arms 6.5 Grendel SBR 11.5in Pistol Complete Upper Receiver 1-8 Twist 5/8-24RH Black Anodized

Alexander Arms 6.5 Grendel SBR 11.5in Pistol Complete Upper Receiver 1-8 Twist 5/8-24RH Black Anodized. This unit is 100percent complete and is compatible with any standard-specification lower receiver (no modifications required). All NFA rules apply. All Alexander Arms upper receiver assemblies are fully-complete function-tested and ready to fire. Specifications for Alexander Arms 6.5 Grendel SBR 11.5in Pistol Complete Upper Receiver: Manufacturer: Alexander Arms Caliber: 6.5mm Grendel Overall Length: 20 in Barrel Length: 11.5 in Barrel Profile: SBR Tactical Barrel Twist Rate: 1-8 Firearms Threads Per Inch: 5/8x24 Finish: Anodized Color: Black Fabric/Material: Steel Gun Make: AR Platform Gun Model: AR-15 Weight: 3.4 lb Features of Alexander Arms 6.5 Grendel SBR 11.5in Pistol Complete Upper Receiver Thread Protector Standard Charging Handle LAR Alexander Arms Branded Hand Guard One 10-round magazine Package Contents: Alexander Arms 6.5 Grendel SBR 11.5in Pistol Complete Upper Receiver What firearm models does the manufacturer say Alexander Arms 6.5 Grendel SBR 11.5in Pistol Complete Upper Receiver is compatible with? The manufacturer says that Alexander Arms 6.5 Grendel SBR 11.5in Pistol Complete Upper Receiver is compatible with AR-15Alexander Arms SBR-65: 6.5 Grendel SBR 11.5in Pistol Complete Upper Receiver 1-8 Twist 5/8-24RH Black Anodized