Marucci F5 -5 USSSA Baseball Bat - MSBF555

Traditional feel. Precise balance. Multi-variable walls. The Marucci F5's one-piece alloy design gives you the balance, speed, and control to do some heavy damage at the dish. Marucci F5 -5 USSSA Baseball Bat – MSBF555 The Marucci F5 -5 is the heaviest, most end-loaded drop in the F5 series — built for stronger, more experienced travel ball hitters who want to maximize power without stepping up to a premium price point. It shares the same one-piece alloy construction as the rest of the Marucci baseball bat lineup and is fully USSSA certified. Key Features • Multi-variable wall design creates an expanded sweet spot with high durability • Ring-free barrel technology offers greater performance with no "dead" spots • Balanced, one-piece alloy construction produces a clean, consistent, traditional swing feel • Custom micro-perforated soft-touch grip for better grip and improved feel Specifications Model Number MSBF555 Drop Weight -5 Barrel Diameter 2¾" Certification USSSA 1.15 BPF Construction One-piece alloy Standard Grip Gray 1.75mm micro-perforated soft-touch Warranty One year, manufacturer-backed Grip weight and manufacturing tolerances may cause slight deviation from the listed weight. Why Choose the F5 -5 A -5 drop is built for stronger hitters, typically ages 13–16, who prioritize raw power and a more traditional, bat-forward swing feel over pure bat speed. Confirm your ideal length and weight with our Bat Sizing Chart before ordering. Explore the Full Marucci F5 USSSA Lineup • Marucci F5 Junior Big Barrel USSSA Bat (MJBBF55) • Marucci F5 -10 USSSA Baseball Bat (MSBF5510) • Marucci F5 -8 USSSA Baseball Bat (MSBF558) • Shop all USSSA Baseball Bats • Shop the full Marucci Baseball Bats collection Frequently Asked Questions What age or skill level is the Marucci F5 -5 best for? The -5 drop is generally best suited for stronger players roughly ages 13–16 who want the heaviest, most end-loaded swing weight in the F5 lineup for maximum power. What does USSSA 1.15 BPF certified mean? USSSA 1.15 BPF (Bat Performance Factor) is the certification standard for USSSA-sanctioned travel ball leagues, regulating the barrel's trampoline effect. Look for the USSSA thumbprint stamp on the taper to confirm certification. Does the F5 -5 require a break-in period? No. The F5 is a one-piece alloy bat, so it's ready to perform right out of the wrapper with no composite break-in needed. How is the F5 -5 different from Marucci's CATX2 -5 or CATX RCKLESS -5? The F5 is Marucci's entry-level, budget-friendly one-piece alloy bat, priced well under $150. The CATX2 and CATX RCKLESS series add premium technologies like Liquid-Gel anti-vibration and MDX composite barrels at a higher price point. Compare the full lineup on our Marucci Baseball Bats page. Does the F5 -5 come with a warranty? Yes, it includes a one-year manufacturer's warranty. As an authorized Marucci dealer, Smash It Sports fully supports all warranty claims. See our Warranty Info page for details.