Replace or upgrade your rifle with this precision-machined Mauser MO3 bolt head, designed for left-hand actions and finished in durable steel (ST). Crafted to Mauser MO3 pattern tolerances, it ensures smooth operation, positive locking, and consistent extraction. Built from high-strength heat-treated steel, this bolt head delivers long service life and reliability under both hunting and range use.
Ideal for repairs, spare parts inventory, or a full rebuild, the left-hand bolt head is specifically engineered for left-handed shooters using MO3-pattern rifles. Before use, ensure installation, headspace verification, and functional testing are performed by a qualified gunsmith. This guarantees safe operation and the performance standards expected of a Mauser component.





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