Nikko Stirling Universal Scope Aligning Kit .17 Caliber Thru 12 Gauge Matte Black. The scope aligner safes your time and money. Specifications for Nikko Stirling Universal Scope Aligning Kit: Manufacturer: Nikko Stirling Caliber: 12 Gauge Fabric/Material: Aluminum Finish: Matte Color: Black/Silver Gun Model: Universal Projectile Caliber: .17 Caliber Features of Nikko Stirling Universal Scope Aligning Kit Rugged ABS carry case Small size 16 barrel arbores Suits most rifles Package Contents: Nikko Stirling Universal Scope Aligning Kit The Nikko Stirling Universal Scope Aligning Kit .17 Caliber Thru 12 Gauge NSALIGNER is a quality addition to the Nikko Stirling lineup. For more great deals on Bore Sights by Nikko Stirling please browse our Centurion Bore Sights page. Nikko Stirling NSALIGNER: Universal Scope Aligning Kit .17 Caliber Thru 12 Gauge Matte Black