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31" Baseball Bats - Page 2

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2023 AXE Strato Alloy BBCOR Certified Bat (-3) 28 oz 31" (Used)
Knellers
2023 AXE Strato Alloy BBCOR Certified Bat (-3) 28 oz 31" (Used)
$52
Retail price: $200
2023 Marucci CATX Connect Hybrid Bat BBCOR Certified (-3) Hybrid 28 oz 31" (Used)
QuickChangeSideline Pro+
2023 Marucci CATX Connect Hybrid Bat BBCOR Certified (-3) Hybrid 28 oz 31" (Used)
$128
Retail price: $400
2023 Marucci CAT8 Alloy BBCOR Certified Bat (-3) 28 oz 31" (Used)
ronhock
2023 Marucci CAT8 Alloy BBCOR Certified Bat (-3) 28 oz 31" (Used)
$10$1533% OFF
50% PRICE DROP
2022 Louisville Slugger Select PWR Hybrid BBCOR Certified Bat (-3) 28 oz 31" (Used)
walker3
2022 Louisville Slugger Select PWR Hybrid BBCOR Certified Bat (-3) 28 oz 31" (Used)
$120
Retail price: $350
2025 Combat MFG Spec A1 "Mess with the Bull" BBCOR Certified Bat (-3) 28 oz 31" (Used)
ashapley1
2025 Combat MFG Spec A1 "Mess with the Bull" BBCOR Certified Bat (-3) 28 oz 31" (Used)
$315$35010% OFF
10% PRICE DROP
Mark Lumber Company ML-27 Hard Maple Bat 31" (New)
ReQuipSideline Pro+
Mark Lumber Company ML-27 Hard Maple Bat 31" (New)
$109
2022 Louisville Slugger Meta Composite Bat BBCOR Certified (-3) 28 oz 31"
Rebound_SportsSideline Pro+
2022 Louisville Slugger Meta Composite Bat BBCOR Certified (-3) 28 oz 31"
$73
Retail price: $500
DeMarini Voodoo Raw Hybrid Bat BBCOR Certified (-3) 28 oz 31"
Rebound_SportsSideline Pro+
DeMarini Voodoo Raw Hybrid Bat BBCOR Certified (-3) 28 oz 31"
$40
Mizuno Pro Select MZM271 Maple Bat (-3) 28 oz 31"
Rebound_SportsSideline Pro+
Mizuno Pro Select MZM271 Maple Bat (-3) 28 oz 31"
$33
2018 Louisville Slugger Omaha 518 Alloy Bat BBCOR Certified (-3) 28 oz 31"
Rebound_SportsSideline Pro+
2018 Louisville Slugger Omaha 518 Alloy Bat BBCOR Certified (-3) 28 oz 31"
$39
Retail price: $200
2025 Louisville Slugger Select PWR Hybrid BBCOR Certified Bat (-3) 28 oz 31" (Used)
graysonw10
2025 Louisville Slugger Select PWR Hybrid BBCOR Certified Bat (-3) 28 oz 31" (Used)
$200
Retail price: $350
Easton Z-Core Hybrid BBCOR Bat 2017 (-3)
sportsxchangeSideline Pro+
Easton Z-Core Hybrid BBCOR Bat 2017 (-3)
$69
Retail price: $300
Louisville Slugger Select PWR BBCOR Bat 2022 (-3)
sportsxchangeSideline Pro+
Louisville Slugger Select PWR BBCOR Bat 2022 (-3)
$288
Retail price: $400
DeMarini CF BBCOR Bat 2022 (-3)
sportsxchangeSideline Pro+
DeMarini CF BBCOR Bat 2022 (-3)
$107
Retail price: $450
Used BBCOR Certified Easton Elevate Alloy Bat -3 28OZ 31"
blowout_bargainsSideline Pro+
Used BBCOR Certified Easton Elevate Alloy Bat -3 28OZ 31"
$22
Retail price: $156
Louisville Slugger C271 Maple Bat Maple 28 oz 31" (Used)
Game_ReadySideline Pro+
Louisville Slugger C271 Maple Bat Maple 28 oz 31" (Used)
$61
Retail price: $200
2018 Louisville Slugger Select 718 Hybrid Bat BBCOR Certified (-3) Hybrid 28 oz 31" (Used)
NE_ResellahSideline Pro+
2018 Louisville Slugger Select 718 Hybrid Bat BBCOR Certified (-3) Hybrid 28 oz 31" (Used)
$153
Retail price: $350
2019 Louisville Slugger BBCOR Certified Meta (-3) Composite 28 oz 31" (Used)
STXBASEBALL
2019 Louisville Slugger BBCOR Certified Meta (-3) Composite 28 oz 31" (Used)
$299
2025 Combat MFG Spec A1 Midnight Rodeo Arena BBCOR Alloy Bat (-3) 31/28
TheBatDropCoSideline Pro
2025 Combat MFG Spec A1 Midnight Rodeo Arena BBCOR Alloy Bat (-3) 31/28
$399
2025 DeMarini Voodoo One Alloy BBCOR Certified Bat (-3) 28 oz 31" (Used)
CadeMiller
2025 DeMarini Voodoo One Alloy BBCOR Certified Bat (-3) 28 oz 31" (Used)
$180$20010% OFF
10% PRICE DROP
Retail price: $280
NEW | 2026 DeMarini Omega Hybrid 31" / 28 oz BBCOR Baseball Bat -EXPANDED WARRANTY | FAST SHIP
ProtechProductsSideline Pro+
NEW | 2026 DeMarini Omega Hybrid 31" / 28 oz BBCOR Baseball Bat -EXPANDED WARRANTY | FAST SHIP
$400
Used 2021 StringKing Metal pro BBCOR Certified Bat (-3) Composite 28 oz 31"
RBP1703
Used 2021 StringKing Metal pro BBCOR Certified Bat (-3) Composite 28 oz 31"
$50$7231% OFF
50% PRICE DROP
Retail price: $150
Used 3150 Training Bat 19 Composite other 31"
RBP1703
Used 3150 Training Bat 19 Composite other 31"
$65$8624% OFF
63% PRICE DROP
Retail price: $250
2019 Louisville Slugger Prime 919 Composite BBCOR Certified Bat (-3) 28 oz 31" (Used)
zacharyadamski
2019 Louisville Slugger Prime 919 Composite BBCOR Certified Bat (-3) 28 oz 31" (Used)
$65
2024 Combat MFG Spec A1 Alloy Bat BBCOR Certified (-3) 28 oz 31" (Used)
TGuarriello
2024 Combat MFG Spec A1 Alloy Bat BBCOR Certified (-3) 28 oz 31" (Used)
$290$32511% OFF
11% PRICE DROP
2020 Louisville Slugger Meta Composite BBCOR Certified Bat (-3) 28 oz 31" (Used)
Zackbsbl13
2020 Louisville Slugger Meta Composite BBCOR Certified Bat (-3) 28 oz 31" (Used)
$175
2025 Combat MFG Spec A1 Alloy Bat BBCOR Certified (-3) Alloy 28 oz 31" (Used)
EmpireSportsSideline Pro+
2025 Combat MFG Spec A1 Alloy Bat BBCOR Certified (-3) Alloy 28 oz 31" (Used)
$396
Retail price: $300
Marucci Pro Cut Maple Bat (-3) 28 oz 31" (Used)
GrittySportSideline Pro+
Marucci Pro Cut Maple Bat (-3) 28 oz 31" (Used)
$55
2017 Easton BB17ZS BBCOR Certified Bat (-3) 28oz 31" (New)
BatKing2026
2017 Easton BB17ZS BBCOR Certified Bat (-3) 28oz 31" (New)
$47$5210% OFF
68% PRICE DROP
M^Powered Hard 2 The Core 072 Maple Bat 31"
Rebound_SportsSideline Pro+
M^Powered Hard 2 The Core 072 Maple Bat 31"
$50
2020 Louisville Slugger Select PWR Bat BBCOR Certified (-3) 28 oz 31"
Rebound_SportsSideline Pro+
2020 Louisville Slugger Select PWR Bat BBCOR Certified (-3) 28 oz 31"
$143
Retail price: $400
2019 Marucci CAT8 Alloy BBCOR Certified Bat (-3) 28 oz 31" (Used)
TrevinBrooks
2019 Marucci CAT8 Alloy BBCOR Certified Bat (-3) 28 oz 31" (Used)
$100

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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