2026 Marucci Block Party USSSA Slowpitch Softball Bat 2 Piece 12.75" Barrel MSPBP2LU

2026 Marucci Block Party Loaded USSSA Slowpitch Softball Bat – MSPBP2LU

The two-piece Block Party with DisRupt Duo barrel tech and an end-loaded 12.75" profile — flex, whip, and power in one brick.

Marucci's 2026 Block Party USSSA Slowpitch bat (MSPBP2LU) is built for the player who doesn't take softball too seriously — but absolutely takes smashing the ball seriously. Inspired by the iconic world of colorful building bricks, this lineup is designed to let you assemble your own chaos swing after swing. Two-piece composite construction blends feel, flex, and pop into one dangerous package. The 12.75" DisRupt Duo Barrel with DisRupt Duo Barrel Technology uses a multi-layered hybrid composite layup engineered for deeper barrel flex than a one-piece, adding trampoline and whip through contact — great for players with varying swing speeds who still want to drive the ball. The slightly end-loaded profile adds barrel momentum for crushing contact — balanced enough for any hitter to swing comfortably, loaded enough to do real damage when you catch one. The High Flex handle tuned by Modulated Stiffness Technology (MST) fine-tunes how the bat flexes so energy transfers where it belongs: into the ball. Finished in a blue, red, and yellow building-brick graphics with a smiley-face endcap, the Block Party is ready straight out of the wrapper (peaks after 100–200 quality swings) and fully certified for USSSA, ISA, NSA play.

Bat Features

• DisRupt Duo Barrel Technology – Multi-layered hybrid composite layup with a resin-infused toughening layer for a broad, forgiving sweet spot, consistent pop, and long-term durability
• 12.75" Barrel Length – Full legal USSSA slowpitch profile — the biggest allowed hitting zone and maximum barrel coverage at the plate
• 2 1/4" Barrel Diameter – Standard slowpitch size, tuned for responsive flex and fast barrel speed
• Two-Piece Composite Construction – Optimized handle-to-barrel connection isolates vibration and adds whip through the zone while maintaining a dialed-in feel on contact
• High Flex Handle with Modulated Stiffness Technology (MST) – Marucci's unique system fine-tunes flex and stiffness across the bat so energy transfers cleanly on contact — dynamic performance that adapts to your swing
• Loaded Swing Weight – Slightly end-loaded for added barrel momentum — balanced enough for any hitter, loaded enough to do real damage
• USSSA, ISA, NSA Certified – Approved for every USSSA, ISA, NSA sanctioned league and tournament — legal at check-in
• 1-Year Manufacturer Warranty – Backed by Marucci against manufacturing defects

In the Box

• 2026 Marucci Block Party Loaded Two-piece USSSA Slowpitch Bat (12.75" barrel)
• Official 1-year Marucci manufacturer warranty card

Who This Bat Is Built For USSSA/ISA/NSA slowpitch hitters who play the game hard but love bats with personality. The power hitter who wants end-load authority plus the sting-reduction and whip of a two-piece build. The hitter whose swing speed varies pitch-to-pitch and benefits from the deeper barrel flex of a Duo construction. The league slugger chasing deep flies with a forgiving sweet spot on mishits. Available in 25oz (fastest bat speed in the Loaded lineup — quick whip, still carries end-load bite), 26oz (balanced power and bat speed — the workhorse weight), 27oz (maximum barrel momentum for big contact and deep flies). Step in the box, trust the 12.75" barrel, and create your own chaos.

Two-piece whip. One-piece damage. Swing the Block Party.

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