Poly Technologies AK47 Folding Stock Cross Pin Retainer Black. Specifications for Poly Technologies AK47 Folding Stock Cross Pin Retainer: Manufacturer: Poly Technologies Color: Black Gun Model: AK-47 Fabric/Material: Steel Gun Make: Kalashnikov Package Contents: Poly Technologies AK47 Folding Stock Cross Pin Retainer What firearm models does the manufacturer say Poly Technologies AK47 Folding Stock Cross Pin Retainer is compatible with? The manufacturer says that Poly Technologies AK47 Folding Stock Cross Pin Retainer is compatible with AK-47Poly Technologies 70-01-61: AK47 Folding Stock Cross Pin Retainer Black