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31" Baseball Bats

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38 Results
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Used Marucci (-5) 26 oz 31" CAT 9 Composite Bat
Hockeyboys00
Used Marucci (-5) 26 oz 31" CAT 9 Composite Bat
$90$10010% OFF
10% PRICE DROP
Retail price: $200
Combat MFG Spec A1 USSSA Certified Bat (-10) Composite 21 oz 31" (Used)
Lucasperry
Combat MFG Spec A1 USSSA Certified Bat (-10) Composite 21 oz 31" (Used)
$45$5315% OFF
70% PRICE DROP
Retail price: $429
Marucci CATX2 Composite USSSA Certified Bat (-5) 26 oz 31" (Used)
ADJ27
Marucci CATX2 Composite USSSA Certified Bat (-5) 26 oz 31" (Used)
$115
Retail price: $400
Used Composite Mako (-9) 22 oz 31" Bat
cadenferich18
Used Composite Mako (-9) 22 oz 31" Bat
$150
Used Easton ADV 360 2pc. Composite 31in 26oz (-5)
kianglogic2012
Used Easton ADV 360 2pc. Composite 31in 26oz (-5)
$115
Retail price: $349
Mizuno Hybrid (-10) 21 oz 31" 340289 Bat
Jrog17
Mizuno Hybrid (-10) 21 oz 31" 340289 Bat
$39$5530% OFF
30% PRICE DROP
Retail price: $120
Marucci CAT X Composite USSSA Certified Bat (-8) 23 oz 31" (Used)
jmisencik
Marucci CAT X Composite USSSA Certified Bat (-8) 23 oz 31" (Used)
$51$5710% OFF
27% PRICE DROP
Retail price: $349
Victus Nox Hybrid USSSA Certified Bat (-5) 26 oz 31" (Used)
Tlynner
Victus Nox Hybrid USSSA Certified Bat (-5) 26 oz 31" (Used)
$32
Retail price: $90
Used USSSA Certified Easton Composite Mako Bat (-11) 20 oz 31"
Jmack325
Used USSSA Certified Easton Composite Mako Bat (-11) 20 oz 31"
$69
Retail price: $300
DeMarini Voodoo Black 31/22
Rascals13
DeMarini Voodoo Black 31/22
$52
Retail price: $120
Marucci CAT9 Pastime Composite -10
CoachSMV
Marucci CAT9 Pastime Composite -10
$61
Retail price: $350
Rawlings Big Stick Elite Composite Training Bat (-8) 23 oz 31" (Used)
Tylerballard
Rawlings Big Stick Elite Composite Training Bat (-8) 23 oz 31" (Used)
$100
Retail price: $150
Marucci CAT X Composite USSSA Certified Bat (-10) 21 oz 31" (Used)
lewroe74
Marucci CAT X Composite USSSA Certified Bat (-10) 21 oz 31" (Used)
$70
Retail price: $350
Marucci Cat X2 Connect USA
Powers33
Marucci Cat X2 Connect USA
$165
Retail price: $250
Louisville Slugger Omaha 31/21.5 BESR CERT
Rascals13
Louisville Slugger Omaha 31/21.5 BESR CERT
$32
Retail price: $140
HOT USSSA Certified Combat Composite B3 BOMB YOUTH Bat (-10) 21 oz 31"
Rascals13
HOT USSSA Certified Combat Composite B3 BOMB YOUTH Bat (-10) 21 oz 31"
$23
Retail price: $237
Easton hammer baseball bat
Ragealltheway
Easton hammer baseball bat
$18
Retail price: $80
Marucci CAT Composite USSSA Certified Bat (-10) other 31" (Used)
dorru
Marucci CAT Composite USSSA Certified Bat (-10) other 31" (Used)
$85
Retail price: $249
Used USSSA Certified Louisville Slugger Prime 9 Composite Bat -8 23OZ 31"
Franzenjw
Used USSSA Certified Louisville Slugger Prime 9 Composite Bat -8 23OZ 31"
$66
Retail price: $349
Used Demarini Cf Cb5-20 Usssa 2 5 8" Barrel Bat 30" -5 Drop
Franzenjw
Used Demarini Cf Cb5-20 Usssa 2 5 8" Barrel Bat 30" -5 Drop
$64
Retail price: $349
Louisville Slugger USABat Certified Solo (-11) Alloy 20 oz 31" (Used)
Peakfinds
Louisville Slugger USABat Certified Solo (-11) Alloy 20 oz 31" (Used)
$41
Retail price: $200
(KNOB) Marucci AM22 Bat USSSA Certified 31" (Used)
LastSwing
(KNOB) Marucci AM22 Bat USSSA Certified 31" (Used)
$39
(DENT) Easton Rebel Bat (-8.5) Composite 22 oz 31" (Used)
LastSwing
(DENT) Easton Rebel Bat (-8.5) Composite 22 oz 31" (Used)
$61
Easton Quantum USA
NP1a
Easton Quantum USA
$50
Retail price: $110
2011 Easton S2 Bat 31/18 USSSA CERT
Rascals13
2011 Easton S2 Bat 31/18 USSSA CERT
$32
Retail price: $100
Used Kid Pitch (9YO-13YO) USSSA Certified Easton Hybrid YB11S2 Bat (-13) 18 oz 31"
Rascals13
Used Kid Pitch (9YO-13YO) USSSA Certified Easton Hybrid YB11S2 Bat (-13) 18 oz 31"
$34
Retail price: $239
Used Easton Hybrid STEALTH CNT LST9 Bat (-13) 18 oz 31"
Rascals13
Used Easton Hybrid STEALTH CNT LST9 Bat (-13) 18 oz 31"
$18
Retail price: $247
Louisville Slugger Meta USSSA Certified Bat (-8) Composite 23 oz 31" (Used)
Kdc2244
Louisville Slugger Meta USSSA Certified Bat (-8) Composite 23 oz 31" (Used)
$55
Used USSSA Certified Marucci Alloy CAT 7 Bat (-10) 21 oz 31"
Reynab15
Used USSSA Certified Marucci Alloy CAT 7 Bat (-10) 21 oz 31"
$49
Retail price: $150
Demarini zen bat
Katiebrady
Demarini zen bat
$248
Used Rawlings USABat Certified Alloy 20 oz 31" 5150 Bat
LiterallyHim
Used Rawlings USABat Certified Alloy 20 oz 31" 5150 Bat
$60
Retail price: $100
Demarini CF Zen 31 in. -10 USSSA 2-pc composite
bhayes171
Demarini CF Zen 31 in. -10 USSSA 2-pc composite
$90
Retail price: $400

Shop 31" Baseball Bats at SidelineSwap

At SidelineSwap, we provide a platform for athletes to buy and sell a wide range of 31" baseball bats, catering to every skill level. You can explore thousands of options, including new and used bats, with savings of up to 70%. Our category includes popular brands like Louisville Slugger, Marucci, and Rawlings.

Bat Certification Options

Choose from various bat certifications depending on your league requirements:

  • USSSA Certified - Ideal for youth leagues.
  • BBCOR Certified - Suitable for high school and college play.
  • USABat Certified - Meets standards for youth baseball.

Our selection features over 7,500 bats, including training and fungo bats. With fast delivery options and free shipping on select items, shopping is convenient. Additionally, our community of experts offers tips and guidance to help you make informed choices. Whether you’re upgrading your gear or starting fresh, SidelineSwap is your go-to destination for 31" baseball bats.

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