The Area 419 Firearms LLC ARCALOCK 17'' Universal Flat Rail with M-LOK Hardware offers a lightweight, corrosion-resistant aluminum handguard designed to provide a clean, modular mounting platform for modern rifles. In a durable black finish, this 17-inch rail delivers a stable foundation for a wide range of configurations, combining ARCALOCKs innovative locking system with reliable M-LOK compatibility to secure accessories without added weight or complexity. The universal flat rail profile is engineered for strength and rigidity, ensuring repeatable accuracy during field use, tinkering at the range, or tight-tolerance builds where consistent alignment matters. With precision-machined surfaces and high-quality aluminum construction, the handguard maintains a slim silhouette that enhances controllability while accommodating a variety of barrel nut and attachment options. The integrated M-LOK hardware enables fast, secure installation of bipods, grips, lights, and optics, supporting ergonomic setups for competition, duty, or general hunting scenarios. Whether youre upgrading an existing platform or assembling a versatile rifle from the ground up, this ARCALOCK rail delivers predictable performance, easy maintenance, and a clean, professional appearance that integrates seamlessly with contemporary rifle components.