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31" Baseball Bats - Page 5

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Used USSSA Certified 2019 Rawlings 5150 Alloy Bat -10 20OZ 30"
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Used USSSA Certified 2019 Rawlings 5150 Alloy Bat -10 20OZ 30"
$25$2915% OFF
15% OFF
Used 2019 DeMarini Voodoo Balanced 31/28 BBCOR Certified Drop 3
Drop_Zone
Used 2019 DeMarini Voodoo Balanced 31/28 BBCOR Certified Drop 3
$50
Used USSSA Certified Marucci CAT 8 Alloy Bat -10 21OZ 31"
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Used USSSA Certified Marucci CAT 8 Alloy Bat -10 21OZ 31"
$32$3815% OFF
15% OFF
Retail price: $229
2019 Louisville Slugger Prime 919 Composite Bat USABat Certified (-10) Composite 21 oz 31" (Used)
Game_ReadySideline Pro+
2019 Louisville Slugger Prime 919 Composite Bat USABat Certified (-10) Composite 21 oz 31" (Used)
$61
Retail price: $350
2019 Rawlings Quatro Pro Composite Bat USABat Certified (-10) Composite 20 oz 30" (Used)
Game_ReadySideline Pro+
2019 Rawlings Quatro Pro Composite Bat USABat Certified (-10) Composite 20 oz 30" (Used)
$58
Retail price: $350
Used USSSA Certified Marucci CAT 8 Alloy Bat -10 21OZ 31"
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Used USSSA Certified Marucci CAT 8 Alloy Bat -10 21OZ 31"
$32$3815% OFF
15% OFF
Retail price: $230
Used USSSA Certified Rude American MOAB Alloy Bat -10 20OZ 30"
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Used USSSA Certified Rude American MOAB Alloy Bat -10 20OZ 30"
$20$2415% OFF
15% OFF
Used BBCOR Certified 2019 Easton Project 3 13.6 Hybrid Bat -3 28OZ 31"
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Used BBCOR Certified 2019 Easton Project 3 13.6 Hybrid Bat -3 28OZ 31"
$30$3515% OFF
15% OFF
2019 Easton Beast Speed Alloy Bat -10 20OZ 30"
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2019 Easton Beast Speed Alloy Bat -10 20OZ 30"
$20$2315% OFF
15% OFF
Retail price: $150
2019 Louisville Slugger Prime 919 BBCOR Composite Bat -3 28OZ 31"
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2019 Louisville Slugger Prime 919 BBCOR Composite Bat -3 28OZ 31"
$48$5615% OFF
15% OFF
Retail price: $430
2019 Louisville Slugger Prime 919 Composite Bat 31" (-3)
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2019 Louisville Slugger Prime 919 Composite Bat 31" (-3)
$50$5915% OFF
15% OFF
Retail price: $430
Used 2019 Louisville Slugger Prime 919 Bat BBCOR Certified (-3) Composite 28 oz 31"
blowout_bargainsSideline Pro+
Used 2019 Louisville Slugger Prime 919 Bat BBCOR Certified (-3) Composite 28 oz 31"
$48$5615% OFF
15% OFF
Retail price: $430
2019 Marucci POSEY28 Pro Metal Smoke (2 3/4") Bat (-10)
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2019 Marucci POSEY28 Pro Metal Smoke (2 3/4") Bat (-10)
$31$3615% OFF
15% OFF
Retail price: $230
2019 Easton Beast Speed Bat USABat Certified (-10) Alloy 20 oz 30" (Used)
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2019 Easton Beast Speed Bat USABat Certified (-10) Alloy 20 oz 30" (Used)
$18$2115% OFF
15% OFF
Marucci CAT8 USSSA 2 3/4" Bat 2019 (-10)
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Marucci CAT8 USSSA 2 3/4" Bat 2019 (-10)
$34$4015% OFF
15% OFF
Retail price: $230
Marucci CAT8 USSSA 2 3/4" Bat 2019 (-10)
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Marucci CAT8 USSSA 2 3/4" Bat 2019 (-10)
$43$5015% OFF
15% OFF
Retail price: $230
2019 Louisville Slugger Prime 919 Composite Bat USSSA Certified (-10) Composite 21 oz 31" (Used)
Game_ReadySideline Pro+
2019 Louisville Slugger Prime 919 Composite Bat USSSA Certified (-10) Composite 21 oz 31" (Used)
$57
Retail price: $350
Marucci CAT8 (2 3/4") USSSA Bat 2019 (-8)
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Marucci CAT8 (2 3/4") USSSA Bat 2019 (-8)
$32$3815% OFF
15% OFF
Retail price: $230
2019 Louisville Slugger Solo 619 Alloy Bat (-11) 20 oz 31"
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2019 Louisville Slugger Solo 619 Alloy Bat (-11) 20 oz 31"
$20$2415% OFF
15% OFF
Marucci CAT8 2 3/4" USSSA Bat 2019 (-8)
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Marucci CAT8 2 3/4" USSSA Bat 2019 (-8)
$32$3815% OFF
15% OFF
Retail price: $230
2019 Marucci CAT8 Alloy Bat (-10) 20 oz 30"
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2019 Marucci CAT8 Alloy Bat (-10) 20 oz 30"
$32$3815% OFF
15% OFF
Used USSSA Certified Marucci Posey28 Alloy Bat (-8) 23 oz 31"
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Used USSSA Certified Marucci Posey28 Alloy Bat (-8) 23 oz 31"
$35$4115% OFF
15% OFF
2019 Easton Elevate Alloy Bat (-3) 28 oz 31"
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2019 Easton Elevate Alloy Bat (-3) 28 oz 31"
$18$2115% OFF
15% OFF
Retail price: $150
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
New Rawlings Velo 30" -8 Drop 11506-RAWUTZV830
sportsopks
New Rawlings Velo 30" -8 Drop 11506-RAWUTZV830
$140
2019 Easton Project 3 FUZE Bat BBCOR Certified (-3) Hybrid 29 oz 31" (Used)
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2019 Easton Project 3 FUZE Bat BBCOR Certified (-3) Hybrid 29 oz 31" (Used)
$31$3615% OFF
15% OFF
Retail price: $260
2019 Louisville Slugger Prime 919 Composite Bat USABat Certified (-10) Composite 20 oz 30" (Used)
Game_ReadySideline Pro+
2019 Louisville Slugger Prime 919 Composite Bat USABat Certified (-10) Composite 20 oz 30" (Used)
$58
Retail price: $350
2019 Easton Omen Alloy Bat USABat Certified (-11) Alloy 19 oz 30" (Used)
Game_ReadySideline Pro+
2019 Easton Omen Alloy Bat USABat Certified (-11) Alloy 19 oz 30" (Used)
$30
Retail price: $150
2019 Marucci CAT Alloy Bat USABat Certified (-10) Alloy 20 oz 30" (Used)
Game_ReadySideline Pro+
2019 Marucci CAT Alloy Bat USABat Certified (-10) Alloy 20 oz 30" (Used)
$35
Retail price: $150
2019 Marucci CAT8 Connect Bat USSSA (-5) Hybrid 26 oz 31"
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2019 Marucci CAT8 Connect Bat USSSA (-5) Hybrid 26 oz 31"
$35$4115% OFF
15% OFF
Marucci CAT Composite Bat (-5) 26 oz 31" (Used)
TJenn12
Marucci CAT Composite Bat (-5) 26 oz 31" (Used)
$51$6015% OFF
15% PRICE DROP
2019 Marucci CAT8 Alloy USSSA Certified Bat (-8) 22 oz 30" (Used)
Jphathaway76
2019 Marucci CAT8 Alloy USSSA Certified Bat (-8) 22 oz 30" (Used)
$29

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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