Marucci Block Party 1-Piece USSSA 12.75" Barrel Loaded Slowpitch Bat

Bring explosive power to every swing with the MSPBP1LU One-Piece Composite USSSA Softball Bat, inspired by bold, colorful energy and built for players who create chaos at the plate. Designed for consistent, high-impact performance, this bat combines advanced composite engineering with a slightly end-loaded feel for serious damage potential.

Its one-piece composite construction delivers a clean, traditional swing feel with direct energy transfer from handle to barrel. The DisRupt Mono Barrel Technology enhances performance with a hot, forgiving, and controlled response while maintaining optimal comfort through every swing.

At the core, Modulated Stiffness Technology (MST) fine-tunes how the bat flexes, creating the perfect balance between stiffness and responsiveness. This system adapts dynamically to your swing, improving energy transfer, control, and overall feel at contact.

Advanced composite construction features:

    ▪ Unified Composite Matrix – Seamless, high-strength construction

    ▪ Layered Fiber Architecture – Optimized stiffness and flex

    ▪ Optimized Flex Gradient – Maximum trampoline effect at the sweet spot

    ▪ Pre-Conditioned Composite Resin – Faster break-in and long-term durability

    ▪ Durability Shield Layer – Resists cracking and maintains performance

Performance-driven design:

    ▪ Slightly End-Loaded Feel – Added power potential

    ▪ 2 1/4" barrel diameter

    ▪ 12.75" barrel length

    ▪ Mid-stiff handle – Balanced control and responsiveness

    ▪ Certified for USSSA, NSA, ISA play

    ▪ One-year warranty

Engineered for explosive energy transfer and long-lasting pop, this bat delivers a larger, more responsive sweet spot and a traditional one-piece feel that power hitters trust.

SKU: MSPBP1LU