2027 Mizuno B27 CRBN -5 USSSA Baseball Bat 340718 340718-30 Mizuno

2027 Mizuno B27 CRBN -5 USSSA Baseball Bat 340718  

Regular price Sale price $349.95
Shipping calculated at checkout.
$349.95
Shipping calculated at checkout.

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2027 Mizuno B27 CRBN -5 USSSA Baseball Bat 340718
30/25
$349.95
Inclusive of all Taxes

The 2027 Mizuno B27 CRBN -5 USSSA Baseball Bat 340718 pairs balanced swing control with one-piece Black Onyx composite construction for solid, responsive contact.

Pickup available at 9431 Mentor Avenue Usually ready in 24 hours

30/25

  • 9431 Mentor Avenue (1/1)
    Pickup available, usually ready in 24 hours

    9431 Mentor Avenue
    Mentor OH 44060
    United States

    4402900860

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Estimated delivery times: 3-6 days (United States).

Return within 30 days of purchase. Shipping & taxes are non-refundable.

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  • Details

    The 2027 Mizuno B27 CRBN -5 USSSA Baseball Bat 340718 is a one-piece composite baseball bat for stronger youth and travel ball hitters who want a balanced swing with solid feedback at contact. Black Onyx composite construction combines a responsive barrel with an expanded sweet spot to help players make productive contact. This USSSA-approved model suits all-around and power hitters who can control a heavier -5 bat and prefer a connected handle-to-barrel feel. SPC Sports has served baseball and softball players since 1999 in Mentor, Ohio.

    Features

    • One-piece composite construction: Delivers a connected feel from handle to barrel with direct feedback at contact.

    • Black Onyx composite: Supports responsive barrel performance and efficient energy transfer into the ball.

    • Balanced swing weight: Helps hitters control the barrel while handling the heavier -5 weight.

    • Expanded sweet spot: Provides a larger area for productive contact.

    • -5 drop weight: Offers three additional ounces compared with a -8 bat of the same length, suited to players ready for more weight.

    • 2 3/4-inch barrel: Gives hitters a large hitting surface for USSSA baseball.

    • USSSA approved: Suitable for leagues and tournaments that permit USSSA-certified bats.

    • Blue colorway: Features pink graphics, a pink grip and yellow accents.

    Specifications

    Specification Details
    Brand Mizuno
    Series B27 CRBN
    Model Number 340718
    Model Year 2027
    Product Type USSSA baseball bat
    Construction One-piece composite
    Material Black Onyx composite
    Swing Weight Balanced
    Drop Weight -5
    Barrel Diameter 2 3/4 inches
    Certification USSSA approved
    Color 5050 Blue

    Frequently Asked Questions

    Who is the Mizuno B27 CRBN -5 best for?
    Stronger youth and travel ball hitters who can maintain swing control with a -5 bat and prefer a balanced, one-piece composite design.

    Is this bat balanced or end loaded?
    It has a balanced swing weight. Players should still choose a length and weight they can comfortably control.

    How does a -5 compare with a -8?
    At the same length, a -5 bat weighs three ounces more than a -8 bat.

    What is the bat made from?
    It uses one-piece Black Onyx composite construction for responsive contact and a solid, connected feel.

    Is it approved for league play?
    It is USSSA approved. Check your league and tournament requirements before purchasing, especially if they require USA Baseball or BBCOR certification.

    This product comes with a 1 Year Manufacturer Warranty.

    Find your next setup by browsing USSSA baseball bats, exploring Mizuno equipment, and shopping batting gloves at SPC Sports.

  • Team Ordering

    Customization & Team Orders

    Coaches, Schools, Leagues, Teams, And Sports Organizations – Team Sales Representatives Will Help You Stretch Your Budget By Providing Special Team Pricing, Team Promotions, Or Volume Discounts.

    Call A Team Sales Rep Today At 440-290-0859 or contact us.

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ANY QUESTIONS?

ANY QUESTIONS?

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We ship out as soon as possible! Shipping cost and delivery estimates are calculated at Checkout based on the delivery location. Orders placed after 12:00pm will be processed the following business day. We ship Monday thru Friday.

Our Return policy lasts for 30 days. If 30 days have gone by since your purchase, unfortunately we can’t offer you a refund or exchange. To be eligible for a return, your item must be in its Original Packaging, Unused and in the same condition that you received it.

Yes!We are an authorized dealer for every brand that we carry so if the item is eligible for a manufacturers warranty you have one by purchasing with us! Please note,All Warranties go directly through the Manufacturer not through Diamond Sport Gear.

Contact us! Our staff is dedicated to providing the best equipment and expert advice to players of all levels. We want to make sure you're ready to Dominate the Diamond.Get in Touch With Us

FAQs

  • BBCOR is required for high school and college play (NFHS and NCAA rules). USA Baseball certification covers most youth recreational leagues including Little League, Cal Ripken, Babe Ruth, PONY, and Dixie. USSSA/1.15 BPF covers competitive travel baseball. Each certification uses a different performance standard. Using the wrong bat in a sanctioned game is a rules violation.

  • No. Little League Baseball requires USA Baseball-stamped bats. USSSA bats are not legal for Little League play. This is one of the most common equipment mistakes families make when transitioning from rec ball to travel ball or back. Always confirm which certification your specific league requires before purchasing.

  • Tee-ball players typically use -12 or -13. Players in the 8U to 10U range usually use -10 to -12. The 11U to 12U range typically uses -10 to -8. High school players use -3 BBCOR. A good starting point is the lightest bat the league allows in a weight the player can swing with control and full bat speed through the zone.

  • BBCOR stands for Batted Ball Coefficient of Restitution. It limits the trampoline effect of non-wood bats to a maximum of 0.50, which is designed to produce exit speeds closer to those from wood bats. This is why BBCOR bats do not perform as dramatically differently from wood as USSSA travel bats do.

  • Both composite and alloy BBCOR bats are widely used at the high school level. Composite bats offer a larger sweet spot and more barrel flex but perform poorly in cold weather. Alloy bats are ready immediately, more durable in cold conditions, and typically cost less. Hybrid bats pair a composite handle with an alloy barrel as a middle option. Personal preference and weather conditions in your region are the key factors.

  • Yes. Most composite baseball bats perform best after 150 to 200 swings on regulation baseballs. Rotate the bat a quarter turn between each swing during break-in to condition the barrel evenly around its full circumference. Never use a composite bat in a pitching machine during the break-in period.

  • Wood bats are used in professional baseball and wood-only leagues at all levels from youth through adult. Many travel ball coaches encourage players to train with wood bats to improve contact consistency, as the smaller sweet spot punishes poor technique more clearly. We carry maple, ash, and birch models from Marucci, Victus, Louisville Slugger, and Tucci.

  • A torpedo bat features an extended sweet spot through a barrel profile that shifts more wood mass toward the contact zone rather than the standard taper to the end cap. It is legal in most leagues for wood bats and is being used by professional players. Non-wood torpedo barrel designs are also available from Marucci and Rawlings. Check your specific league's rules on barrel profile before purchasing.

  • We carry Marucci, DeMarini, Louisville Slugger, Easton, Victus, Rawlings, Warstic, Soldier Sports, Anderson, Tucci, StringKing, and Mizuno. New models from major brands are added as they release throughout the season.

  • USA Baseball certification covers players through age 14 in most rec league organizations. USSSA typically covers 8U through 14U in travel ball. BBCOR is required for high school (14U and up depending on the state) and college. Tee-ball organizations have their own approved equipment lists separate from all other certifications.

  • One-piece bats are stiffer, transmit energy more directly on contact, and provide immediate feedback on mishits through handle vibration. They suit contact hitters who consistently make solid contact. Two-piece bats use a separate handle and barrel connected by a joint that absorbs vibration, producing a softer feel on off-center contact. They are popular with power hitters.

  • Yes, significantly for composite bats. Composite barrels become brittle below approximately 60 degrees Fahrenheit and can crack on impact. Alloy bats are not affected by cold in the same way and are the safe choice for early spring play in northern states. Most composite bat manufacturers explicitly void the warranty for damage sustained in use below their recommended temperature threshold.

  • Our bat trade-in program lets you apply the value of an old bat toward a new purchase. Visit the bat trade-in page on our website for program details, eligible models, and current trade-in values.

  • No. Softball bats are not designed for the 9-inch baseball and are not legal for any organized baseball league. Barrel diameter, length, and weight specifications differ between sports. Using the wrong equipment in a game is a rules violation.

  • Most high school players use 31 to 33-inch bats at -3 BBCOR. A 31-inch bat for a smaller or younger player, 32 for an average-build player, and 33 for a larger or taller player is a general guideline. The right length is the longest bat a player can swing with full control and bat speed through the entire hitting zone.

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