Engineered for Excellence. Built to Last.
At Fortis MFG, our 100% American-made Bolt Carrier Groups are trusted by serious shooters and professional builders alike. Designed to exceed Mil-Spec standards, each BCG is precision ground—not just machined. We meticulously grind the exterior and all three interior dimensions of the carrier, creating an exceptionally smooth, low-friction surface for reliable performance over tens of thousands of rounds.
To maximize durability and corrosion resistance, each BCG is finished with industry-leading Blacknitride+™ by H&M. This advanced treatment enhances hardness by up to 10x and dramatically improves lubricity, delivering long-term performance you can count on.
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