1. Baseball
  2. Bats
  3. 31.5OZ

31.5 oz Baseball Bats

Shop by Bat Certification

2,171 Results
Shop by Category
DeMarini CF USABat Certified Bat (-10) 20 oz 30" (Used)
kinetic_chain
DeMarini CF USABat Certified Bat (-10) 20 oz 30" (Used)
$85
Marucci CAT X Composite USSSA Certified Bat (-10) 20 oz 30" (Used)
kinetic_chain
Marucci CAT X Composite USSSA Certified Bat (-10) 20 oz 30" (Used)
$100
2016 Easton Mako USSSA Bat (-10) Composite 20 oz 30"
blowout_bargainsSideline Pro+
2016 Easton Mako USSSA Bat (-10) Composite 20 oz 30"
$56
Retail price: $300
Marucci CAT9 Composite Pastime (2 3/4") USSSA Bat 2021 (-10)
blowout_bargainsSideline Pro+
Marucci CAT9 Composite Pastime (2 3/4") USSSA Bat 2021 (-10)
$48
Retail price: $350
Victus NOX (2 3/4") USSSA Bat 2021 (-10)
blowout_bargainsSideline Pro+
Victus NOX (2 3/4") USSSA Bat 2021 (-10)
$23
Retail price: $300
DeMarini CF Mashup (2 3/4") Limited Edition USSSA Bat 2023 (-10)
blowout_bargainsSideline Pro+
DeMarini CF Mashup (2 3/4") Limited Edition USSSA Bat 2023 (-10)
$119
Retail price: $350
2020 Louisville Slugger Omaha 5 Bat USABat Certified (-10) Alloy 20 oz 30" (Used)
Game_ReadySideline Pro+
2020 Louisville Slugger Omaha 5 Bat USABat Certified (-10) Alloy 20 oz 30" (Used)
$23
Retail price: $100
KR3 C271 Eagle Maple Magnum 34 inch composite Wood Bat (-3) 31.5 oz
NWIBLSideline Pro+
KR3 C271 Eagle Maple Magnum 34 inch composite Wood Bat (-3) 31.5 oz
$177
Retail price: $219
Used 2022 Louisville Slugger Meta Bat USSSA Certified (-10) Composite 20 oz 30"
GreatLakeSportsSideline Pro+
Used 2022 Louisville Slugger Meta Bat USSSA Certified (-10) Composite 20 oz 30"
$78
Retail price: $349
Used 2020 Louisville Slugger Solo Bat USSSA Certified (-10) Alloy 20 oz 30"
GreatLakeSportsSideline Pro+
Used 2020 Louisville Slugger Solo Bat USSSA Certified (-10) Alloy 20 oz 30"
$45
2023 Easton Encore Hybrid USSSA Certified Bat (-10) Hybrid 20 oz 30" (Used)
papajohnnyroad
2023 Easton Encore Hybrid USSSA Certified Bat (-10) Hybrid 20 oz 30" (Used)
$75
Victus Vandal USSSA Certified Bat (-10) Alloy 20 oz 30" (Used)
Brandonhess92
Victus Vandal USSSA Certified Bat (-10) Alloy 20 oz 30" (Used)
$41
Retail price: $150
2015 DeMarini CF7 Bat USSSA Certified (-11) Composite 20 oz 31"
SteelDealsSideline Pro+
2015 DeMarini CF7 Bat USSSA Certified (-11) Composite 20 oz 31"
$54
2021 Marucci CAT9 Bat USSSA Certified (-10) Alloy 20 oz 30"
SteelDealsSideline Pro+
2021 Marucci CAT9 Bat USSSA Certified (-10) Alloy 20 oz 30"
$36
Retail price: $300
Warstic Gunner Bat USSSA Certified (-10) Hybrid 20 oz 30"
SteelDealsSideline Pro+
Warstic Gunner Bat USSSA Certified (-10) Hybrid 20 oz 30"
$180
Retail price: $300
2025 Louisville Slugger Atlas BBCOR Certified Bat (-3) Alloy 31.5 oz 33.5" (Used)
Slondatje
2025 Louisville Slugger Atlas BBCOR Certified Bat (-3) Alloy 31.5 oz 33.5" (Used)
$254$29915%
19% PRICE DROP
Retail price: $350
2023 Marucci CAT X Bat USSSA Certified (-10) Alloy 20 oz 30" (Used)
reosSideline Pro+
2023 Marucci CAT X Bat USSSA Certified (-10) Alloy 20 oz 30" (Used)
$64
Retail price: $300
2022 DeMarini CF Bat USSSA Certified (-10) Composite 20 oz 30" (Used)
reosSideline Pro+
2022 DeMarini CF Bat USSSA Certified (-10) Composite 20 oz 30" (Used)
$85
Retail price: $350
Used 2019 Marucci CAT8 Bat USSSA Certified (-10) Alloy 20 oz 30"
reosSideline Pro+
Used 2019 Marucci CAT8 Bat USSSA Certified (-10) Alloy 20 oz 30"
$30
2014 Easton Mako USSSA Certified Bat (-11) Composite 20 oz 31" (Used)
Richterp75
2014 Easton Mako USSSA Certified Bat (-11) Composite 20 oz 31" (Used)
$59$6510%
38% PRICE DROP
Retail price: $200
Easton Hype Fire USABat Certified Bat (-10) Composite 20 oz 30" (Used)
Nkniska
Easton Hype Fire USABat Certified Bat (-10) Composite 20 oz 30" (Used)
$265
2017 Easton Ghost X USABat Certified Bat (-10) Composite 20 oz 30" (New)
jasonfalish
2017 Easton Ghost X USABat Certified Bat (-10) Composite 20 oz 30" (New)
$210$2131%
15% PRICE DROP
Retail price: $399
2024 Marucci CAT X Connect USABat Certified Bat (-11) Alloy 20 oz 31" (Used)
HollieZ
2024 Marucci CAT X Connect USABat Certified Bat (-11) Alloy 20 oz 31" (Used)
$99$11010%
10% PRICE DROP
2021 Marucci CAT9 Connect Bat USSSA Certified (-10) Hybrid 20 oz 30" (Used)
GrittySportSideline Pro+
2021 Marucci CAT9 Connect Bat USSSA Certified (-10) Hybrid 20 oz 30" (Used)
$43
Retail price: $300
Mizuno Duality USABat Bat (-11)
MattBlackwell
Mizuno Duality USABat Bat (-11)
$105
Retail price: $200
Easton ADV 360 USABat Certified Bat (-10) Composite 20 oz 30" (Used)
wsteinbe
Easton ADV 360 USABat Certified Bat (-10) Composite 20 oz 30" (Used)
$110
WOBBLE 2020 Easton ADV 360 Bat USABat Certified (-10) Composite 20 oz 30" (Used)
EmpireSportsSideline Pro+
WOBBLE 2020 Easton ADV 360 Bat USABat Certified (-10) Composite 20 oz 30" (Used)
$50
Retail price: $300
Marucci CAT X Connect USABat Certified Bat (-11) Composite 20 oz 31" (Used)
wsteinbe
Marucci CAT X Connect USABat Certified Bat (-11) Composite 20 oz 31" (Used)
$100
New KR3 Maple Magnum 34 inch Wood Bat (-3) 31.5 oz C271
NWIBLSideline Pro+
New KR3 Maple Magnum 34 inch Wood Bat (-3) 31.5 oz C271
$219
Retail price: $279
2015 Easton Mako Torq Bat USSSA Certified (-10) Composite 20 oz 30" (Used)
EmpireSportsSideline Pro+
2015 Easton Mako Torq Bat USSSA Certified (-10) Composite 20 oz 30" (Used)
$53
Retail price: $275
2022 Louisville Slugger Solo Bat USABat Certified (-11) Alloy 20 oz 31" (Used)
EmpireSportsSideline Pro+
2022 Louisville Slugger Solo Bat USABat Certified (-11) Alloy 20 oz 31" (Used)
$29
Retail price: $200
New KR3 PRO Extra Large Knob FULCRUM M332 Bat 34 inch Maple Wood Bat (-3) 31.5 oz
NWIBLSideline Pro+
New KR3 PRO Extra Large Knob FULCRUM M332 Bat 34 inch Maple Wood Bat (-3) 31.5 oz
$169
Retail price: $199