Caliber : .50 - 12 Ga. Inventorytyp : Reg Vendor Group : Bus Product Description Description: Expandable Arbors Just the accessory for the shotgunner or muzzleloader. Fits Professional and Deluxe boresighters. Additional Information: Expandable Arbors .50 Caliber -12 Gauge Fits Bushnell Profession Manufacturer: Bushnell Item#: ACU-74-0012 In Stock $11.99 Quantity Prices for internet orders only. Not all products available in store. Overall Customer Rating:  Rate This Item   |  Write a Review Related Items Kryptonyte Green Laser Bore Sighting System .22-.75 Calibers $141.99 .17 HMR Cartridge Bore Tool $56.99 Magnetic Boresighter For All Firearms $35.99 Mini Laser Bore Sight Red .17-.22 Calibers $45.99 Mini Laser Bore Sight Red .22-.50 Calibers $45.99 Bushnell Banner Professional Boresighter With 3 Expandable Arbor $88.99