Stag Arms AR-15 A3 Flattop Upper Receiver Direct Impingement Black

Stag Arms AR-15 A3 Flattop Upper Receiver Assembly Direct Impingement Type 3 Hard Coat Anodized Right Hand Black. Specifications for Stag Arms AR-15 A3 Flattop Upper Receiver: Manufacturer: Stag Arms Fabric/Material: Aluminum Gun Make: AR Platform Gun Model: AR-15 Condition: New Country of Origin: USA Features of Stag Arms 15 A3 Upper Receiver Assembly: Pivot/Takedown Pin Size: Small pin - .250" Material: Forged and mil-spec with type 3 hard coat anodizing and a picatinny rail on top Package Contents: Stag Arms AR-15 A3 Flattop Upper Receiver What firearm models does the manufacturer say Stag Arms AR-15 A3 Flattop Upper Receiver is compatible with? The manufacturer suggests that Stag Arms AR-15 A3 Flattop Upper Receiver is compatible with AR-15Stag Arms STAG300412: AR-15 A3 Flattop Upper Receiver Assembly Direct Impingement Type 3 Hard Coat Anodized Right Hand Black