Tiger Rock Pistol Buffer Tube AR-15 Tan Small. It's short flat design is perfect for AR-15 pistol conversions. Specifications for Tiger Rock AR-15 Pistol Buffer Tube: Manufacturer: Tiger Rock Color: Tan Finish: Hard Anodized Type III Matte Black Fabric/Material: T6-6061 Aluminum Gun Make: AR Platform Gun Model: AR-15 Gun Type: Rifle Length: 7.1875 in Condition: New Package Contents: Tiger Rock AR-15 Pistol Buffer Tube What firearm models does the manufacturer say Tiger Rock AR-15 Pistol Buffer Tube is compatible with? The manufacturer says that Tiger Rock AR-15 Pistol Buffer Tube is compatible with AR-15Tiger Rock TP-T: Pistol Buffer Tube AR-15 Tan Small