Poly Technologies AKS Recoil Spring Retaining Clip Black. Specifications for Poly Technologies AKS Recoil Spring Retaining Clip: Manufacturer: Poly Technologies Color: Black Gun Make: Kalashnikov Gun Model: AK-47 Condition Quality: Excellent Condition Details: Other Gun Type: Rifle Package Contents: Poly Technologies AKS Recoil Spring Retaining Clip What firearm models does the manufacturer say Poly Technologies AKS Recoil Spring Retaining Clip is compatible with? The manufacturer says that Poly Technologies AKS Recoil Spring Retaining Clip is compatible with AK-47Poly Technologies 70-04-4F2: AKS Recoil Spring Retaining Clip Black