Product Description Achieve fast, reliable zeroing for your 30-30 Winchester rifle with the SME Sight-Rite Laser Bore Sighter. Precision-machined from brass for an exact chamber fit, this caliber-specific sighter projects a bright, high-output red laser to align your optic quickly and confidently. Built to tight tolerances to protect your chamber and ensure repeatable accuracy, it arrives ready to use with three button cell batteries included. Product Highlights Caliber-specific 30-30 Winchester cartridge design for precise chamber fit Precision-machined brass construction for durability and non-marring use High-output red laser (