Nikko Stirling Howa 1500/Vanguard Rifle Scope Base Long Action Blued. These affordable Rifle Scope Bases & Rails from Nikko Stirling are manufactured with CNC precision. Nikko Stirling Howa 1500 Rifle Scope Base Mounts are made from one piece for extra strength. Nikko Stirling Rifle Scope Picatinny Rail for Howa are easy to install and will improve your accuracy. Specifications for Nikko Stirling Howa 1500/Vanguard Rifle Scope Base: Manufacturer: Nikko Stirling Finish: Blued Fabric/Material: Aluminum Gun Make: Howa Gun Model: Howa 1500 Long Action Action Length: Long Action Gun Type: Rifle Weight: 73 g Condition: New Gun Rail: Picatinny Package Contents: Nikko Stirling Howa 1500/Vanguard Rifle Scope Base Toolkit Nikko Stirling NM15502: Howa 1500/Vanguard Rifle Scope Base Long Action Blued