BlackHeart crossbow strings are produced using a blend of modern materials, precision machinery and time-honored craftsmanship. This string features GlideLock center serving to enhance durability, reduce friction, and minimize serving separation. The DuraWeave process includes pre-stretching the strands for consistent length, and each string is hand crafted to match individual crossbow requirements.
Key Specifications
- Made by BlackHeart as a replacement crossbow string.
- Model/fit listed as Excalibur in the product name.
- The length is specified as 25.625 inches.
- Features a GlideLock center serving to reduce friction and serving separation.
- Manufacturing process uses DuraWeave pre-stretched strands for consistent string length.
- Each string is hand crafted to fit an individual crossbow.
- Listed weight is 0.15 (unit not provided).
This BlackHeart string is built for shooters who expect consistent performance from well-made components. With GlideLock serving and DuraWeave pre-stretching, it addresses common wear points and delivers reliable length stability. The hand-crafted finish supports proper fitment and dependable operation for field or range use.









