Precision Reflex AR-15 Flat Top Upper Receiver - Striped Black

Precision Reflex AR-15 Flat Top Upper Receiver - Striped Black. Comes with dust cover and forward assist. Specifications for Precision Reflex AR-15 Flat Top Upper Receivers - Striped: Manufacturer: Precision Reflex Finish: Hard Coat Anodized Fabric/Material: 7075 T6 Aluminum Caliber: 5.56x45mm NATO Gun Model: AR-15 Condition: New Package Contents: Precision Reflex AR-15 Flat Top Upper Receivers - Striped What firearm models does the manufacturer say Precision Reflex AR-15 Flat Top Upper Receivers - Striped is compatible with? The manufacturer says that Precision Reflex AR-15 Flat Top Upper Receivers - Striped is compatible with AR-15Precision Reflex 05-556FR: AR-15 Flat Top Upper Receiver - Striped Black