BlackHeart Crossbow String 40.875″ – Horton Storm RDX & TenPoint Nitro RDX

Keep your crossbow performing at its best with the BlackHeart 40.875″ Replacement Crossbow String, precision-crafted to fit the Horton Storm RDX and TenPoint Nitro RDX. BlackHeart bowstrings combine modern materials with time-honored hand-crafting techniques to deliver consistent performance shot after shot.

Features the exclusive GlideLock center serving for enhanced durability, reduced friction, minimized serving separation, and virtually no ridges between serving strands — resulting in smoother, more consistent arrow flight. The DuraWeave manufacturing process pre-stretches each strand to ensure highly accurate and uniform string length, so you can trust your equipment every time you pull the trigger.

Whether you’re heading into deer season, competing in a 3D archery event, or simply maintaining your setup for peak reliability, this BlackHeart string is a trusted upgrade that delivers. Each string is meticulously hand-finished for a precise, crossbow-specific fit.

Order online today for fast shipping direct to your door, or stop by Deep Roots Rifle Co in Eustis, Florida, where our knowledgeable staff can help you find everything you need to keep your crossbow in top condition.