Build or restore a high-performance rifle with the Mauser MO3 .300 Winchester Magnum standard contour barrel, 62 cm overall length. Engineered to Mauser pattern tolerances, this barrel provides the strength and harmonics needed for magnum performance while remaining practical for hunting and long-range sporter applications.
The standard contour offers a sturdy balance between weight and rigidity — giving you the stability required for accurate magnum loads without excessive front-end mass. Finished ready for chambering, the barrel is ideal for gunsmith projects, action swaps, or replacing worn factory tubes. Its 62 cm length (approximately 24.41 in) suits actions and stocks designed for magnum cartridges and improves velocity potential compared with shorter sporter tubes.
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