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"6.5mm bullet with a polymer tip that maximizes penetration. The mild recoil and high ballistic coefficient of 6.5mm ammunition grants them both high precision and above-average penetration, making them ideal for long-range shooting."
― In-Game Description

The 6.5mm Polymer-Tip Bullet is an ammunition type available for the Martensson 6.5mm family of rifles.

This ammo is availble as part of the Cuatro Colinas Game Reserve DLC.