Blackheart Crossbow String 38 1/2 In Mission Mxb 400

The Blackheart Crossbow String 38 1/2 In Mission Mxb 400 is a precision replacement string engineered for hunters who demand reliability in the field. After decades of seasons afield, any serious crossbow operator knows that string integrity directly determines shot consistency, accuracy, and safety. This 38.5-inch string is purpose-built for Mission crossbows—specifically the MXB 400 platform—where a quality string replacement can restore performance to factory specification or extend service life through heavy use.

Blackheart strings are constructed using high-performance synthetic materials that resist moisture absorption, UV degradation, and the temperature swings typical of multi-season hunting. The 38.5-inch length ensures proper draw length and brace height geometry on the Mission MXB 400, which is critical for maintaining the crossbow's rated kinetic energy and flat trajectory. Unlike budget alternatives, this string maintains consistent strand tension under repeated firing cycles, preventing the creep and peep rotation that plague worn equipment and compromise accuracy at extended ranges.

Replacement is straightforward for anyone familiar with crossbow maintenance—no special tools required, though proper timing and technique prevent limb stress. This string is an essential wear item for Mission MXB 400 owners who log regular practice sessions or rely on their rig during long seasons. Whether you're executing a meticulous pre-season tune-up or responding to performance degradation mid-hunt, the Blackheart Crossbow String 38 1/2 In Mission Mxb 400 restores the precision and reliability that serious hunters expect.