Mankung Mk 400, Velocity Armagedon Crossbows and Bows

Bought new 4 years ago, developed shingles in my back, fired 5 bolts only, as i can no longer cock the full size bows,

The Man Kung MK-400 (sometimes branded as the Ares) is a high-powered 175-lb compound crossbow renowned for its blend of speed, stability, and affordability. Designed for target shooting and hunting, its advanced cam system propels arrows up to a highly respectable 360 fps (feet per second).Key SpecificationsDraw Weight: 175 lbsVelocity: Up to 360 fps (approx. 395 mph)Power Stroke: 15 inchesWeight: 3.9 - 4.0 kgLength: 35 inches (89 cm)Width: 23 inches (58.4 cm)Build & MaterialsLimbs: Heavy-duty polyester/fiberglass compositeBarrel/Rail: Lightweight, durable aluminumStock: Ergonomically shaped synthetic polymer with a rubber butt pad for comfortable aimingGrip: Rubberized pistol grip and an adjustable forward handle for a highly customizable feelCore FeaturesAnti-Dry Fire (ADF) Trigger: Prevents the crossbow from firing if no arrow is loaded, ensuring user safety.Integrated Dampening: Comes equipped with limb dampeners to significantly reduce vibration and noise.Accessories Ready: Features a Weaver/Picatinny rail on top (usually 19-22mm) for mounting optics and a lower rail for adding accessories like a bipod or flashlight.Standard Package InclusionsThe MK-400 is typically sold as a complete, ready-to-shoot set, which usually includes:A 4x32 rifle scopeQuiver with bolts/arrowsRope cocking device to help reduce the draw effortPadded carrying sling and string wax