2026 Miken Ultra Gamer HOF Bob O'Brien Supermax SSUSA Slowpitch Softball Bat 1 Piece 13.5" Barrel MSS6OB1X

2026 Miken Ultra Gamer HOF Bob O'Brien Supermax SSUSA Slowpitch Softball Bat 1 Piece 13.5" Barrel MSS6OB1X – MSS6OB1X

Bob O'Brien's OB16 Hall of Fame model – the heaviest end load in the HOF lineup on a full 13.5" one-piece barrel.

The 2026 Miken Ultra Gamer HOF Bob O'Brien Supermax is the max-power build of the Hall of Fame series. It pairs a full 13.5" E-Flex 360+ barrel – exclusive C-4 carbon fiber with a new multi-resin system for up to 10% more barrel flex around the entire circumference – with a Supermax 1 oz end load, double the end weight of a standard Maxload. The one-piece frame keeps energy transfer stiff and direct, while the Mid Flex handle and A1 Knob keep that heavy barrel under control. Offered in 25, 26, 27, and 28 oz and approved for SSUSA and ISA senior play.

Bat Features

• 13.5" E-Flex 360+ Barrel – exclusive C-4 carbon fiber and multi-resin construction for up to 10% more barrel flex and a huge sweet spot
• Supermax Swing Weight – a full 1 oz end load – the heaviest in the Ultra Gamer HOF lineup – for maximum momentum through the zone
• One-Piece Construction – barrel and handle fused into one unit for stiff, direct energy transfer at contact
• Mid Flex Handle – balanced stiffness that keeps the heavy barrel controlled without killing whip
• A1 Knob – ergonomic profile keeps your grip anchored against the Supermax swing weight
• Bob O'Brien Signature – the OB16 Hall of Fame model, built for senior softball's strongest swings
• SSUSA & ISA Certified – legal at check-in for senior-sanctioned league and tournament play
• No Manufacturer Warranty – like all Miken senior SSUSA bats, this model is sold without a factory warranty

In the Box

• 1x 2026 Miken Ultra Gamer HOF Bob O'Brien Supermax SSUSA Slowpitch Softball Bat 1 Piece 13.5" Barrel MSS6OB1X (MSS6OB1X)

Who This Bat Is Built For the strongest hitters in SSUSA and ISA senior play – the ones who want the most barrel-forward swing Miken makes and can keep their bat speed with it. Choose 25 oz or 26 oz to tame the 1 oz end load, or 27 oz and 28 oz for maximum mass at contact.

Load up the heaviest hammer in the HOF lineup – the OB16 Supermax.

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