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31" Baseball Bats - Page 2

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2019 Louisville Slugger Solo 619 USABat (-11) Alloy 20 oz 31"
blowout_bargainsSideline Pro+
2019 Louisville Slugger Solo 619 USABat (-11) Alloy 20 oz 31"
$20$2415% OFF
15% OFF
Retail price: $120
2019 Easton Ghost X Hyperlite Composite Bat USABat Certified (-11) Composite 19 oz 30" (Used)
ThePlayersClosetSideline Pro+
2019 Easton Ghost X Hyperlite Composite Bat USABat Certified (-11) Composite 19 oz 30" (Used)
$48
Retail price: $280
2019 DeMarini CF Zen Bat USSSA Certified (-5) Composite 25 oz 30" (Used)
ThePlayersClosetSideline Pro+
2019 DeMarini CF Zen Bat USSSA Certified (-5) Composite 25 oz 30" (Used)
$71$8315% OFF
15% OFF
Retail price: $255
2019 DeMarini CF Zen Bat USSSA Certified (-8) Composite 22 oz 31" (Used)
ThePlayersClosetSideline Pro+
2019 DeMarini CF Zen Bat USSSA Certified (-8) Composite 22 oz 31" (Used)
$63$7415% OFF
15% OFF
Retail price: $349
2019 Marucci CAT8 Alloy USSSA Certified Bat (-10) 20 oz 30" (Used)
BRIsBats
2019 Marucci CAT8 Alloy USSSA Certified Bat (-10) 20 oz 30" (Used)
$18$2424% OFF
15% OFF
2019 Louisville Slugger Prime 919 Composite Bat USABat Certified (-10) Composite 21 oz 31" (Used)
EmpireSportsSideline Pro+
2019 Louisville Slugger Prime 919 Composite Bat USABat Certified (-10) Composite 21 oz 31" (Used)
$61
Retail price: $350
2019 AXE Avenge Hybrid Baseball Bat 30" 20OZ (-10)
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2019 AXE Avenge Hybrid Baseball Bat 30" 20OZ (-10)
$26$3015% OFF
15% OFF
Retail price: $275
2019 Marucci CAT8 Alloy USSSA Certified Bat (-5) 25 oz 30" (Used)
pias11677
2019 Marucci CAT8 Alloy USSSA Certified Bat (-5) 25 oz 30" (Used)
$21
2019 Louisville Slugger Prime 919 Composite Bat USABat Certified (-10) Composite 21 oz 31" (Used)
NE_ResellahSideline Pro+
2019 Louisville Slugger Prime 919 Composite Bat USABat Certified (-10) Composite 21 oz 31" (Used)
$58
Retail price: $350
2019 Easton Project 3 Speed Alloy Bat BBCOR Certified (-3) Alloy 28 oz 31" (Used)
QuickChangeSideline Pro+
2019 Easton Project 3 Speed Alloy Bat BBCOR Certified (-3) Alloy 28 oz 31" (Used)
$22
Retail price: $120
2019 Easton Project 3 ADV Composite Bat BBCOR Certified (-3) Composite 28 oz 31" (Used)
QuickChangeSideline Pro+
2019 Easton Project 3 ADV Composite Bat BBCOR Certified (-3) Composite 28 oz 31" (Used)
$40
Retail price: $460
2019 DeMarini CF Zen Composite Bat USSSA Certified (-8) Composite 23 oz 31" (Used)
QuickChangeSideline Pro+
2019 DeMarini CF Zen Composite Bat USSSA Certified (-8) Composite 23 oz 31" (Used)
$78
Retail price: $350
2019 Louisville Slugger Omaha 519 Bat BBCOR (-3) 28 oz 31"
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2019 Louisville Slugger Omaha 519 Bat BBCOR (-3) 28 oz 31"
$30$4128% OFF
15% OFF
Retail price: $200
Rawlings Quatro Pro BBCOR Bat 2019 (-3)
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Rawlings Quatro Pro BBCOR Bat 2019 (-3)
$56$6615% OFF
15% OFF
Retail price: $450
Louisville Slugger Prime 919 BBCOR Bat 2019 (-3)
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Louisville Slugger Prime 919 BBCOR Bat 2019 (-3)
$50$5915% OFF
15% OFF
Retail price: $450
Marucci CAT8 (2 3/4") USSSA Bat 2019 (-5)
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Marucci CAT8 (2 3/4") USSSA Bat 2019 (-5)
$34$4015% OFF
15% OFF
Retail price: $230
Marucci CAT8 Connect 2 3/4" USSSA Bat 2019 (-5)
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Marucci CAT8 Connect 2 3/4" USSSA Bat 2019 (-5)
$33$3915% OFF
15% OFF
Retail price: $280
Used BBCOR Certified Easton Elevate Alloy Bat -3 28OZ 31"
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Used BBCOR Certified Easton Elevate Alloy Bat -3 28OZ 31"
$19$2215% OFF
15% OFF
Retail price: $156
2019 Easton Beast Speed BBCOR Certified Bat (-3) 27.5 oz 31" (Used)
princ3shea1283
2019 Easton Beast Speed BBCOR Certified Bat (-3) 27.5 oz 31" (Used)
$60
Retail price: $47
Used 2019 USSSA Certified Dirty South Kamo Composite Bat 30" (-10)
Bayside_SportsSideline Pro+
Used 2019 USSSA Certified Dirty South Kamo Composite Bat 30" (-10)
$72
USA Rawlings Quatro Pro 30 (-8)
RRudy774
USA Rawlings Quatro Pro 30 (-8)
$57
Retail price: $300
Used 2019 BBCOR Certified Louisville Slugger Prime 919 Composite Bat -3 28OZ 31"
blowout_bargainsSideline Pro+
Used 2019 BBCOR Certified Louisville Slugger Prime 919 Composite Bat -3 28OZ 31"
$48$5615% OFF
15% OFF
Retail price: $430
2019 Louisville Slugger Prime 919 Bat BBCOR Certified (-3) Composite 28 oz 31"
blowout_bargainsSideline Pro+
2019 Louisville Slugger Prime 919 Bat BBCOR Certified (-3) Composite 28 oz 31"
$50$5915% OFF
15% OFF
Retail price: $430
Used USSSA Certified Marucci CAT Composite Composite Bat -10 20OZ 30"
blowout_bargainsSideline Pro+
Used USSSA Certified Marucci CAT Composite Composite Bat -10 20OZ 30"
$69$8115% OFF
15% OFF
Retail price: $299
2019 DeMarini CF Black USSSA Bat 31" (-5)
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2019 DeMarini CF Black USSSA Bat 31" (-5)
$60$7015% OFF
15% OFF
2019 Louisville Slugger Select 719 Hybrid USABat Certified Bat (-10) 20 oz 30" (Used)
chowitt87
2019 Louisville Slugger Select 719 Hybrid USABat Certified Bat (-10) 20 oz 30" (Used)
$41
2019 Louisville Slugger Prime 919 Composite USABat Certified Bat (-10) 20 oz 30" (Used)
chowitt87
2019 Louisville Slugger Prime 919 Composite USABat Certified Bat (-10) 20 oz 30" (Used)
$61
2019 Easton Project 3 13.6 Bat BBCOR Certified (-3) 28 oz 31"
blowout_bargainsSideline Pro+
2019 Easton Project 3 13.6 Bat BBCOR Certified (-3) 28 oz 31"
$35$4115% OFF
15% OFF
Retail price: $400
2019 Easton Beast Speed Hybrid USSSA Bat (-10) 20 oz 30"
blowout_bargainsSideline Pro+
2019 Easton Beast Speed Hybrid USSSA Bat (-10) 20 oz 30"
$18$2115% OFF
15% OFF
2019 Easton Project 3 Alpha BBCOR Bat (-3) 28 oz 31"
blowout_bargainsSideline Pro+
2019 Easton Project 3 Alpha BBCOR Bat (-3) 28 oz 31"
$18$2115% OFF
15% OFF
Louisville Slugger Prime 919 (2 5/8") USA Youth Bat 2019 (-10)
sportsxchangeSideline Pro+
Louisville Slugger Prime 919 (2 5/8") USA Youth Bat 2019 (-10)
$49$5815% OFF
15% OFF
Retail price: $350
DeMarini CF Zen USA Bat 2019 (-10)
sportsxchangeSideline Pro+
DeMarini CF Zen USA Bat 2019 (-10)
$51$6015% OFF
15% OFF
Retail price: $350

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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