Aero Precision M5E1 Complete Upper 18" 6.5 Creedmoor Stainless Mid-Length FDE

Aero Precision M5E1 Complete Upper 18in 6.5 CM SS Mid-Length Barrel EM-15 HG Gen 2 FDE. Gen 2 Enhanced Handguard of choice. 18" 6.5 Creedmoor Stainless Steel Barrel. Low Profile Gas Block and Mid Length Gas Tube. Product comes assembled. Specifications for Aero Precision M5E1 18in 6.5 Creedmoor Complete Upper Receiver with Flash Hider: Manufacturer: Aero Precision Caliber: 6.5mm Creedmoor Barrel Length: 18 in Barrel Profile: Heavy Barrel Twist Rate: 1-8 Muzzle Device: A2 Flash Hider Gun Model: M5 Gas Block Journal Size-Diameter: .875 in Handguard Length: 15 in Gun Rail: M-LOK Gun Make: Aero Precision Barrel Material: 416R Stainless Steel Weight: 68.5 oz Magazine Included: No Condition: New Included Accessories: None Country of Origin: USA What firearm models does the manufacturer say Aero Precision M5E1 18in 6.5 Creedmoor Complete Upper Receiver with Flash Hider is compatible with? The manufacturer says that Aero Precision M5E1 18in 6.5 Creedmoor Complete Upper Receiver with Flash Hider is compatible with M5Aero Precision APAR308556M44: M5E1 Complete Upper 18in 6.5 CM SS Mid-Length Barrel EM-15 HG Gen 2 FDE