M-Core is not just a catch phrase. My shafts are cored and plugged to reduce end mass and to also reduce end rigidity to lower deflection while retaining a solid wood hit! You can order a shaft to your exact specifications. Prices are with Thoroughbred cue tip, small upcharge for changing to a different tip. Lead time is usually 4-8 weeks depending on workload. Please add note at checkout for shaft length. 29" or 30" and also what Joint Thread.