Poly Technologies AKS Extractor Spring Black

Poly Technologies AKS Extractor Spring Black. Specifications for Poly Technologies AKS Extractor Spring: Manufacturer: Poly Technologies Color: Black Gun Make: Kalashnikov Gun Model: AKS Fabric/Material: Steel Condition Quality: Excellent Condition Details: Other Package Contents: Poly Technologies AKS Extractor Spring What firearm models does the manufacturer say Poly Technologies AKS Extractor Spring is compatible with? The manufacturer says that Poly Technologies AKS Extractor Spring is compatible with AKSPoly Technologies 70037: AKS Extractor Spring Black