The Osprey 50 BMG Laser Boresight, available in red or green lasers for impeccable accuracy. Crafted with high-quality brass, these boresights save time and ammo, ensuring rapid, user-friendly, and cost-effective sight calibration. The precisely calibrated laser dot brings you within 1.5 inches of center. Backed by Osprey Global’s no-nonsense lifetime warranty, experience a new level of shooting confidence.