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Louisville Slugger Prime 919 -10 USA Baseball Bat: WTLUBP919B10: Image #370930
Louisville Slugger Prime 919 -10 USA Baseball Bat: WTLUBP919B10: Image #370922
Louisville Slugger Prime 919 -10 USA Baseball Bat: WTLUBP919B10: Image #370923
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  • Approved For Play In AABC, Babe Ruth, Cal Ripken, Dixie Youth, Little League, & Pony

  • Free Shipping!

  • -10 Length To Weight Ratio

  • New Advanced Microform Barrel For Max Barrel Size & Peak Performance

  • 2 5/8 Inch Barrel Diameter

  • Balanced Swing Weight For Speed & Power

  • Colorway: Gray / Red / Blue

  • New LS Pro Comfort Grip

  • Full Twelve (12) Month Manufacturer's Warranty

  • New USA Baseball (USA Bat) Certified Stamp

  • Two-Piece, Composite Baseball Bat With Advanced Construction

  • New RTX End Cap Creates A Longer Barrel Shape With Improved Durability

  • Patented VCX Technology Allows Independent Movement Between Barrel & Handle

  • Patented VCX Technology Creates A Unique Feel For Each Player Type

Step up to the plate confidently with this Louisville Slugger Prime 919 USA baseball bat. Its 3-piece design features a proprietary MicroForm barrel that delivers a satisfying pop on each hit. Patented VCX technology minimizes vibration to take the sting out of the swing, and it also allows independent movement between the handle and barrel, resulting in a natural feel. A stiff, traditional grip gives you immediate feedback during every at-bat. Improve hit efficiency with the RTX end cap that increases barrel length and also gives you a full sound that reverberates across the field. The new LS Pro Comfort grip provides tack and cushion for a comfortable grip that increases awareness for swing correction during batting practice. Louisville Slugger: Others Make Bats, We Make History.

This Louisville Slugger Prime 919 USA baseball bat (WTLUBP919B10) has a drop 10 length to weight ratio, a 2 5/8-inch barrel diameter and the USA bat stamp. Give any AABC, Little League, Babe Ruth, Cal Ripken, Dixie Youth or Pony opponent something to chase with every solid hit using this latest addition to the Prime series. This baseball bat comes hot out of the package, ships for free, and has a full 12-month manufacturer's warranty. Don't forget, with our expert customer service, we'll be here for you from click to hit!

Average Ratings Based on 33 Customer Reviews

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Overall Rating
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POUGHKEEPSIE Wayne Parent

Pros: More balanced, better controlled in the hitting zone. No loud noises off contact.

Cons: Still have vibrations on off end hitting.

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Broken after ONE day Aaron Parent

Pros: Goop pop, no vibration, balanced feel.

Cons: Broken after ONE day! Sent into LS via FedEx. They accepted the warranty claim and said they were shipping out replacement ASAP. 2 WEEKS later and still no bat! Multiple emails and calls. Nothing.

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Great Bat Kevin Parent

Pros: Pop

Cons: None

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It’s a great bat John Player

Pros: It has ton of pop and no vibration.

Cons: Their are no cons.

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Best USA bat Don Coach

Pros: My son tried just about every USA bat on market. We noticed a distance improvement of 30 feet gained compared to other bats. In fact this bat was so hot ournwhole League ended up buying this bat. At least 30 feet further then any other USA bat.

Cons: I little heavy for a smaller player

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Should Have Bought Sooner Jonathan Evans Parent

Pros: Hot out of the wrapper. Satisfying sound, even on miss hits, foul tips wont be missed. Good weight distribution. My 8yo son was crushing line drives on all pitches, high, low, inside and out. At one point he hit 10 in a row. Never done that before. Comfortable grip and absolutely no vibration complaints in the first hundred or so hits.

Cons: I waited too long to buy it.

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Great Bat...worth the $ Matt LaBrecque Coach

Pros: This is a great and well balanced bat. My 11 year old loves it--- has helped him hitting and more important his confidence!

Cons: None known yet

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Why this is not the best bat Dean Player

Pros: No vibration

Cons: No pop at all

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Prime 919 Ayden Player

Pros: Has pretty good pop

Cons: The durability is ok but I think it is a good buy

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Great bat Jonathan Coach

Pros: Lots of pop and great balanced

Cons: It takes some time to break it in.

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pretty solid bat ayden Player

Pros: great bat over all!!!!

Cons: no cracks but lots of marks witch isn't a bad thing

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Good bat Lucas Player

Pros: Easy to swing light weight ,easy to get through the zone

Cons: Bat is not good

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One of the best USA bats Derrick Coach

Pros: My 11 year old has gone through a series of bats. The one that he liked the best prior to this bat was the Demarini Voodoo. The Prime definitely hits about 20 feet further on his home run balls and has a much larger sweet spot giving less mishits and just misses of barreling up. A little worried about an all composite bat in the Northwest cold, but so far in around 50 degree weather and about 1000 cuts outside still not a blemish.

Cons: Still not like the USSSA bats in pop. However, this bat is a split the difference in distance between his USA Voodoo and his USSSA bat,

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Bad Design B Pierce Parent

Pros: None

Cons: 4 swings the bat broke.

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Highly Recommend LS Prime 919 Coach Coach

Pros: Excellent bat which is well-balanced, nice sweet spot with great pop, and very little/no vibration issues. This was a major upgrade over the Rawlings Prodigy bat which my son outgrew.

Cons: Not sure about durability as we have only owned the bat for a few weeks.

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this bat is awesome wayne Parent

Pros: No vibration, it has lots of pop and my son hit 2 home runs in the same game with this bat.

Cons: none

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Good pop with zero vibration!!! Jake Johnson Player

Pros: Good pop. No vibration. Good price and looks nice!!

Cons: No so far

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Prime 919 Kyle Coach

Pros: Balanced swing, pop out of the box, good grip and feel

Cons: None so far

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Great bang for buck! Cruz Parent

Pros: It was a great and light eight bat!

Cons: Better than expected!

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jeff Jeff Kocur Parent

Pros: My son is using this bat, he absolutely loves it. It sounds great off the bat, he says it feels good if you hit it almost anywhere, he just loves the whole thing!

Cons: If you get jammed or hit off the end of the bat it vibrates a good amount.

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Satisfied so far Mike Parent

Pros: Very little vibration, handle feels comfortable. Decent pop coming off the bat.

Cons: Too early to tell

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Z-Man-Bat Matt Hanburry Parent

Pros: Nice Feel

Cons: More Pop

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Amazing Jack Player

Pros: Amazing pop all these pitchers that i go up against can’t stick me out hit 7 grand slams in the same tournament

Cons: NONE

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Da Boi Da Boi Player

Pros: I hit the ball hard a lot and hit my first dinger with it

Cons: should get a better grip

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BEST BANG FOR YOUR BUCK TREY SIMMONS Coach

Pros: SOLID BAT

Cons: NOT GETTING FOR 99$

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1 of the best USA composites Mavererik Coach

Pros: 1 out of 10 rating Grip/Handle-6 Pop-7 Vibration-8 Weight-8 The durability is the most impressive aspect of this bat. I'm sure some have had ones that break and that happens but overall it's what stands out about this bat to me.

Cons: None. Most composites in USA after the break in process your lucky to get a full season out of the bat. The Prime 200 solid hacks to break in and now 2 seasons going on a 3rd it's still going strong and getting even hotter.

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Happy Slugger Amanda Parent

Pros: Great fit, easy control

Cons: None

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LS 919 USA Ray Coach

Pros: Ball jumps off the barrel, surprisingly well for USA bat.

Cons: None as of yet

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This Is It Daniel Coach

Pros: Doesn't get any better than this for USA. I never do reviews, but do not go and spend more than this... I coach twins that play travel and have used everything in the USSSA world. We've seen every USA bat in the last 2 years

Cons: None

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Pleased with purchase Jason Coach

Pros: 9 year old swings it well, crushes the ball. Ball exits off bat hard and fast. He switched to other bats and they sting his hands, no complaints with this bat. As a parent I'm pleased with the Justbats price and the performance of this bat. Son loves it.

Cons: He has approximately 250 hits on the bat and I found some kind of small coating chunk off the barrel about the size of a nail head. It's not effecting anything and who knows how it really happened, he's a 9 yr Old boy. I will keep an eye on it.

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tons of pop low durability Orrin Trull Player

Pros: lots of pop beat cf zen usa bat. as far as feel on hits and mishits its amazing and when you hit a ball in the sweet spot it fly's off. compared to cf zen, Easton ghost x evolution and demarini sabotage i think it can hit farther and feels a lot stiffer.

Cons: after hitting for a few weeks there's several chips on the barrel and you can hear something rattling in the barrel. still performs well although I am concerned. the cf seems more durable. but if you like a stiff feel no vibration but want something more durable id go with the select 719 great bat only difference is the alloy barrel. looking back probably should have gotten it.

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Louisville prime 919 review Damion Player

Pros: It does not vibrate at all and you can make contact with the ball

Cons: My prime 919 broke and you can move the bottom pease

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Really good, for USA standard Tom Parent

Pros: Pop and durability at top of USA standard Way less hand vibration than aluminum

Cons: Horrible sounds off bat Takes some breaking in Swings a little heavier than it is (a little top heavy)

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Have a question about the Louisville Slugger Prime 919 -10 USA Baseball Bat: WTLUBP919B10? Ask our team of experts and they will respond within 24 hours.

What is the difference between the Prime and the Select?
Clay
The Louisville Slugger Prime -10 USA Baseball Bat: WTLUBP919B10 will be a three piece all composite bat, while the Louisville Slugger Select 719 -10 USA Baseball Bat: WTLUBS719B10 will be a three piece hybrid bat with a composite handle and alloy barrel.
Max
Would this bat be eligible for USSSA league as well? The new bat rules of proper stamping of a 1.15 BPF or USSSA?
Steve
The Louisville Slugger Prime 919 -10 USA Baseball Bat: WTLUBP919B10 would be allowed in USSSA play. However, this bat's performance will meet a different standard than USSSA certified bats. We anticipate the USSSA version of this bat to be released the first of October by Louisville Slugger.
Daveron
How much heavier is the actual vs advertised weight on average for this bat, specifically for a 29"/19 oz?
Brian W
Unfortunately I'm not really able to provide an average as we haven't gone and weighed hundreds of models for each USA bat out there. Most USA bats weight about .5-1.5 oz heavier than the listed weight. I did weigh a 30"/20 oz model that we have here in our customer service center, and it weighed in at 21.2 oz, or +1.2 oz heavier than listed.
Kyle J.
How does the Louisville 919 Prime USA compare to the DeMarini CF Zen USA in terms of pop?
Ryan
At this time there is nothing concrete that would show significant performance comparisons between the Louisville Slugger Prime 919 -10 USA Baseball Bat: WTLUBP919B10 versus the DeMarini CF Zen USA model. Based on the design of all USA bats, with regards to barrel thickness and performance restrictions, we would venture to say that the "pop" of these two bats would be very similar.
Cameron
You have this bat in a USSSA?
Rob
The Louisville Slugger Prime 919 -10 USA Baseball Bat: WTLUBP919B10 counterpart in a USSSA model is the Louisville Slugger Prime 919 -10 USSSA Baseball Bat: WTLSLP919X10.
Cameron
Is the 919 Prime end loaded?
Cj
The Louisville Slugger Prime 919 -10 USA Baseball Bat: WTLUBP919B10 features a balanced swing weight. At this time LS is not making a USA -10 model with an end loaded design.
Cameron
My son is 8.5 years old, weighs 55 lbs, is 4'5". I am curious of the three Prime 919 models (-10 USSSA, -10 USA, and -12 USSSA) what would be the best bat for him and recommended size? Is there much of a difference in pop between the USSSA Model and the USA model?
Jim
The correct bat will depend on if his league requires a USA or USSSA stmap. The Louisville Slugger Prime 919 -10 USA Baseball Bat: WTLUBP919B10 would be required by Little League and some others. If he can use a USSSA, I would recommend going with one of those since it will have a better performance. For his age, I would recommend going with the -10 USSSA.
Tori
What bat drop should I use? I’m 155 lbs and 5 foot three.
Ben
If you are seeking the Louisville Slugger Prime 919 -10 USA Baseball Bat: WTLUBP919B10, per your height and weight we would recommend a 32 inch.
Cameron
What is the return policy for this item?
Angie Arana
As long as the bat is unused and in the wrapping, we have a 365 day return policy on this item. Once the item has been used however, is it not eligible for a refund or exchange return.
Kyle
Is this a balanced bat or end loaded? My son will be playing 11U League ball this spring and he needs a light swing weight balanced bat. He is 4'2" and weight 65 pounds
Grant
The Louisville Slugger Prime 919 -10 USA is considered a balanced bat.
Kyle
Trying to decide between the Prime 919, Select 719 or the Ghost X Evolution USA in a 29/19. My son is 9 and currently using a 29/18 Solo 618. I’m a bit confused as to whether or not the 718 is a end loaded bat or not. I don’t want it to be too heavy for him. What’s the difference in barrel size between these 3. I know they’re all 2 5/8 but looking for overall barrel size? I know it’s a tough question but which bat would you recommend of these 3? He is 4’6 and 75 pounds. Thanks
Jay
All of these bats in the -10 size will be a balanced design and feel. In my opinion the Prime and Evolution will feel slightly more balanced however than the Select, but the select has an alloy barrel which is generally a bit more durable than the composite barrels of the Prime and Evolution. However, composite barrels generally allow the manufacturer to create a slightly larger sweet spot, so the Prime and Evolution have a slight edge there. The customer reviews are good on all 3 models, so I don't really think you can go wrong with any of the choices. I would lean towards the Select myself just due to the durability of alloy barrels, but if you want a slightly larger sweet spot, the Ghost or Prime would be the way to go.
Kyle
I am about to purchase this - just read a review that this bat broke within a few uses. What can my son expect from this bat? We use a DeMarini now but am open to change brand.
Erik Yost
The Louisville Slugger Prime 919 -10 USA Baseball Bat: WTLUBP919B10 is an excellent USA bat to consider. Although not everyone will share a "positive" experience with the bat, overall it has been rated well in terms of performance and durability.
Cameron
My 12 yr old son is 5’3” and 95 lbs. What bat size do you recommend?
Cathy
Based on the height and weight you listed, I would recommend a 31inch bat. This Louisville Slugger Prime 919 -10 USA Baseball Bat: WTLUBP919B10 is a great option!
Ryan
Is this a composite bat?
Nick
Yes, the Louisville Slugger Prime 919 -10 USA Baseball Bat: WTLUBP919B10 is a two-piece composite bat.
Cameron
I was leaning toward this bat for my son but would like to know the difference between this bat and the Louisville Slugger Select 719 -10 USA baseball bat.
Shawn Furtah
The Louisville Slugger Prime 919 -10 USA Baseball Bat: WTLUBP919B10 is a two-piece all composite bat with a balanced swing weight while the Select 719 is a two-piece hybrid bat (alloy barrel and composite handle) with a balanced swing weight. The Prime will feature a more balanced design overall while the Select is likely to be more durable; there would not be a discernable difference in performance between the two bats.
Cameron
What is the barrel diameter of the Louisville Slugger Prime 919 -10 USA Bat, 30”?
David Fox
All sizes of the Louisville Slugger Prime 919 -10 USA Baseball Bat: WTLUBP919B10 will feature a barrel diameter of 2 5/8".
Cameron
Son wants 29/19 Prime. Loves the Meta, isn’t a fan of the Zen. Need a USA bat for fall ball, how do feel about the USA Prime versus the CF Zen USA? Is the 919 hotter than the 2020 or doesn’t matter?
Jeffrey Quasha
The Louisville Slugger Prime 919 -10 USA Baseball Bat: WTLUBP919B10 is very similar to the DeMarini CF Zen -10 USA Baseball Bat: WTDXUFX19 and both bats were rated very highly by consumers. Nitpicking between the two, the LS Prime 919 has a longer lasting connection point design. As for comparing across model years, the changes are very minimal, with the main change being cosmetic.
Cameron
Temperature rating? We play on some chilly temps
Amber
For any composite barreled bat like this Louisville Slugger Prime 919 -10 USA Baseball Bat: WTLUBP919B10 we would not recommend using them in temps 50 degrees and below.
Ryan
Show all 18 Questions and Answers about the Louisville Slugger Prime 919 -10 USA Baseball Bat: WTLUBP919B10
No results. If you searched for a specific term, please broaden your search. If you have already done this and still cannot find what you're looking for, please submit your question and we'll get back to you within 24 hours. Thanks!

In 1842, J. Frederick Hillerich emigrated with his family from Baden-Baden, Germany to the United States. Eight years before, the 1834 Book of Sports had made its debut as the nation's first publication covering baseball. But when he arrived in Baltimore, J. Frederick Hillerich would never have dreamed of the future impact his family would have on America's favorite pastime.

After a short while, the Hillerichs moved to Louisville, where J. Fred started a woodworking shop in 1856. Two of his sons, Adam and John Andrew "Bud" were born in the United States and would later join their father in his business. By 1864 "J.F. Hillerich, Job Turning" was in operation and filled orders for businesses by custom-turning everything from balusters to bedposts.

The firm thrived, and by 1875 the little woodworking shop employed about 20 people. In 1880 Bud Hillerich, who was an amateur baseball player, became an apprentice in his father's shop. Young Bud made his own baseball bats along with bats for several of his teammates.

The debate over the origins of the first bat continues to generate controversy among baseball enthusiasts, but the younger Hillerich was most certainly involved in getting his father's business involved with what would become the company's signature item. According to company legend, the first bat was turned by Bud for Pete "The Old Gladiator" Browning in 1884. Browning was a star on Louisville's professional American Association team - the Eclipse. On a spring afternoon Bud, then seventeen, witnessed Browning break his favorite bat. Bud offered to make a bat for his hero, and Browning accepted. After the young wood shop apprentice lathed a quality stick from white ash, according to the story, Browning got three hits with it in the next game.

Louisville Slugger gloves are worn by more pitchers in Major League Baseball than any other glove.

Louisville Slugger Prime 919 -10 USA Baseball Bat: WTLUBP919B10
Approved For USA Bat
Barrel Diameter 2 5/8
Baseball Bats Youth
Bat Construction Two-Piece
Bat Type Baseball
Color Grey
Deals Personalization Eligible Closeout Bats Bundle and Save
Length to Weight Ratio -10
Material Composite
Price $200 - $299.99 $200 - $249.99 $250 - $299.99
Series Prime
Swing Weight Balanced
Vendor Louisville Slugger
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