JE Machine Tech AR-15 Pistol Grip Black. Specifications for JE Machine Tech AR-15 Pistol Grip: Manufacturer: JE Machine Tech Color: Black Finish: Type III Hardcoat Anodized Gun Make: AR Platform Gun Model: AR-15 Material: Polymer Fabric/Material: Polymer Package Contents: JE Machine Tech AR-15 Pistol Grip What firearm models does the manufacturer say JE Machine Tech AR-15 Pistol Grip is compatible with? The manufacturer says that JE Machine Tech AR-15 Pistol Grip is compatible with AR-15JE Machine Tech TS-PG27B: AR-15 Pistol Grip Black