Marucci CAT X RCKLESS COMP Senior League (-10) USSSA Baseball Bat

MarucciSKU: MSBCRC10-29/19

Size: 29"
Price:
Sale price$399.99
Stock:
In stock

Pickup available at Between The Lines

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Marucci CAT X RCKLESS COMP (-10) USSSA Senior League Baseball Bat
Unleash Chaos at the Plate – Built for Speed, Swing, and Power

The Marucci CAT X RCKLESS COMP (-10) Senior League Bat is engineered for elite youth players who bring intensity, speed, and power to every swing. Designed to go beyond limits, this two-piece composite bat features fiber-layered energy transfer, extreme barrel flex, and a bold mid-loaded feel that transforms every hit into a statement.

Perfect for those who never back down, this bat combines cutting-edge tech with serious swagger.

Features:

  • FLEX Composite Barrel: Fiber-layered barrel delivers explosive sound, extreme flex, and rapid energy exchange on contact.
  • OLS Connection Technology: Creates the stiffest connection available while eliminating virtually all vibration for the smoothest swing feel.
  • PFX Composite Handle: Flex-tuned by weight drop for optimal swing speed, power, and feel at the plate.
  • Ring-Free Barrel Construction: Increases barrel flex and eliminates "dead" spots to maximize performance.
  • TFX Endcap (True Flex): Soft-touch endcap promotes greater flex near the end of the barrel, enhancing forgiveness and pop.
  • Custom-Molded Hand Taper: Ergonomic taper customized for each drop weight to improve control, comfort, and grip feel. Easily removable for player preference.
  • Updated Knob Design: Drop-specific knob shape offers better fit and hand comfort for maximum performance.

Specifications:

  • Barrel Diameter: 2 3/4"
  • Drop Weight: -10
  • Construction: Two-Piece Composite
  • Barrel: FLEX Composite
  • Handle: PFX Composite
  • Connection: OLS Technology
  • Endcap: TFX Endcap
  • Grip: 1.75mm Soft-Touch Teal Grip
  • Swing Weight: Mid-Loaded
  • Certification: USSSA 1.15 BPF
  • Model Year: 2025
  • Warranty: One-Year Manufacturer Warranty
High School & College
BBCOR Bats
All BBCOR bats are -3 drop. The goal is finding the longest bat you can still swing with full speed. When in doubt, go shorter.
Height Weight Length Notes
Under 5'4" Under 140 lbs 29"–30" Prioritize bat speed
5'4"–5'7" 140–160 lbs 30"–31" Common for HS freshmen
5'7"–5'10" 160–185 lbs 31"–32" Most common Most Common
5'10"–6'1" 185–210 lbs 32"–33" Upperclassmen Most Common
6'1"–6'4" 210–225 lbs 33"–33.5" Max for most HS players
6'4"+ 225+ lbs 33.5"–34" Proven bat speed required
Our Take on 34" BatsWe almost never put a high school player in a 34". Unless you are 6'4" and 225 lbs or bigger with proven bat speed, a 33" will serve you better. Most HS players swinging a 34" are giving up exit velocity without knowing it. Come in and we will put you on both in the cage.
BTL TipWhen in doubt, go shorter. Bat speed wins every time. Come swing both lengths in our demo cage and you will know in 10 swings.

Travel Ball
USSSA Bats
Travel ball and competitive youth leagues through 13U. Drop weight is tied to age. Confirm with your league rules before buying.
Age Height Length Drop
7–8 Under 4' 26"–27" -10, -11
9 4'0"–4'3" 27"–28" -10
10–11 4'3"–4'8" 28"–29" -10 Most Common
12 4'8"–5'2" 29"–30" -8
13 5'0"–5'7" 30"–31" -5
BTL TipMost 13 year olds playing travel ball are on a -5. That is the right stepping stone before the jump to BBCOR. If your player is heading into 9th grade, get comfortable with the heavier drop now so the transition is not a shock.

Little League & Rec Ball
USA Bats
USA Baseball is a different certification standard than USSSA. Required in Little League, Cal Ripken, Babe Ruth, and most rec leagues. A USSSA bat is not legal in a USA league and vice versa. Always check your league requirements before buying.
Age Height Length Drop
4–6 Under 3'8" 24"–25" -11, -12
7–8 3'8"–4'0" 25"–27" -10, -11
9–10 4'0"–4'5" 27"–28" -10
11–12 4'5"–4'9" 28"–30" -8, -10 Most Common
13+ 4'9"+ 30"–31" -8

Summer Tournaments & Training
Wood Bats
All wood bats we carry are -3 drop. Sizing follows the same principles as BBCOR. Wood punishes poor bat speed more than any other type — when in doubt, go shorter.
Height Weight Length Notes
Under 5'4" Under 140 lbs 29"–30" Builds better contact habits
5'4"–5'7" 140–160 lbs 30"–31" Good starting point for wood
5'7"–5'10" 160–185 lbs 31"–32" Most common Most Common
5'10"–6'1" 185–210 lbs 32"–33" Strong players Most Common
6'1"–6'4" 210–225 lbs 33"–33.5" Max for most HS players
6'4"+ 225+ lbs 33.5"–34" Proven bat speed required
BTL TipIf you are playing travel or high school ball in Arizona, you are going to need a wood bat. Most summer tournaments around here are wood bat only. Wood is also the best training tool in the game — the sweet spot is smaller and mishits are unforgiving, which forces you to be more precise with the barrel and build better mechanics over time.

Understanding Drop Weight
Drop weight is the difference between a bat's length in inches and its weight in ounces. A 32" bat with a -3 drop weighs 29 oz.
-3Heaviest
14U, HS & CollegeBBCOR and wood. Required at 14U and above.
-5Heavy
13U / Advanced 12UStandard for 13U. Strong 12U players may move here early.
-8Moderate
12UDevelops power without losing too much bat speed.
-10Light
10U–11UMost common youth drop. Most Common
-11/-12Lightest
8U and UnderTee ball and beginners.

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