Product SKU # :TSX10MMBB |  MPN: X10MMBB  | UPC # :020892233058

Winchester Ammunition 

Winchester Big Bore 10mm AUTO Ammo 200 Grain Semi-Jacketed Hollow Point - X10MMBB

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Winchester Big Bore 10mm AUTO Ammo 200 Grain Semi-Jacketed Hollow Point - X10MMBB
USDTargetSportsUSA26.99
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USDTargetSportsUSA269.90
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AVAILABLE : 15 in stock
AVAILABLE : 1 in stock

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You must be 21 years or older to order ammunition. Ammunition must ship UPS ground. Due to safety considerations and legal/regulatory reasons, Ammunition may not be returned. Please check local laws before ordering. By ordering this Ammunition, you certify you are of legal age and satisfy all federal, state and local legal/regulatory requirements to purchase this Ammunition.

Winchester Big Bore 10mm AUTO Ammo 200 Grain Semi-Jacketed Hollow Point - X10MMBB

The Winchester Big Bore 10mm AUTO Ammo is designed for those who demand high performance and reliability from their ammunition. This 200 grain Semi-Jacketed Hollow Point (SJHP) ammunition is ideal for hunters and shooting enthusiasts who require both stopping power and consistent performance. Manufactured by Winchester Ammunition, known for their high-quality products, this ammo is suitable for a variety of applications ranging from hunting to personal defense. With a reputation for quality and precision, Winchester's 10mm AUTO rounds are sure to provide the performance shooters are looking for.

Features and Specifications:

  • Performance Metrics: Muzzle Velocity of 1175 fps and Muzzle Energy of 613 ft. lbs provide significant stopping power and energy transfer.
  • Hunting Application: Specifically rated for hunting, making it ideal for large game and animal defense scenarios.
  • Compatibility: Designed to function seamlessly with firearms chambered in 10mm AUTO.
  • Case Design: Includes brass casing, which is known for its durability and reloadability.
  • Primer Type: Utilizes a Boxer primer for reliable ignition.

Deep Dive

Overview

The Winchester Big Bore 10mm AUTO is specifically engineered for hunting applications where power and precision are paramount. The Semi-Jacketed Hollow Point design allows for controlled expansion on impact, maximizing energy transfer and ensuring effective knockdown power. This makes it especially suitable for large game hunting, where hitting power can make all the difference. Furthermore, the brass casing and quality primer ensure reliable performance under diverse environmental conditions.

History and Development

Winchester Ammunition has a long-standing history of producing reliable and innovative ammo solutions for a variety of purposes. With the development of the Big Bore line, Winchester sought to cater to hunters and outdoor enthusiasts who need a powerful and precise round readily available for challenging game situations. The 10mm AUTO caliber is celebrated for its versatile application and has been refined over years to become a trusted cartridge in both professional and recreational contexts.

Common Questions and FAQs

  • Is this ammunition suitable for self-defense?
    Yes, while primarily designed for hunting, the stopping power and expansion capabilities make it a viable option for personal defense.
  • How does the Semi-Jacketed Hollow Point design benefit me?
    The SJHP design offers controlled expansion and energy transfer, which increases effectiveness in stopping power upon impact.
  • What firearms are compatible with this ammo?
    It is compatible with any firearm chambered in 10mm AUTO.
  • Can I use this for range training?
    Yes, although optimized for hunting, this ammo can be fired during training, ensuring consistent performance when hunting.
  • What packaging options are available?
    Currently, specific packaging details are not provided, but similar products often come in boxes of 50 rounds.
  • Is there any lead exposure risk with this ammo?
    As with many ammunition products, lead exposure is possible. Visit the manufacturer's website for detailed safety information.

The 'Round Up'

Perfect Fit for:

  • Personal Defense / Hunting

Why It Stands Out:

The Winchester Big Bore 10mm AUTO Ammo combines heavy-hitting performance with precision engineering, making it an excellent choice for hunters and shooters demanding reliability and stopping power. With its Semi-Jacketed Hollow Point design, this ammo ensures effective energy transfer upon impact, whether you're out in the field or defending your home. As a testament to Winchester's commitment to quality, this ammunition upholds the brand's legacy of innovation and dependability, offering shooters a consequential choice in their ammo selection.

Field Details
MPNX10MMBB
UPC020892233058
ManufacturerWinchester Ammunition
PlatformHandgun
Ammo ApplicationPersonal Defense / Hunting
Ammo TypeSemi-Jacketed Hollow Point
Caliber10mm Auto
Grain Weight200
Quantity Per PackageBox of 20 / Case of 200
Test Barrel LengthNot Provided
Muzzle Velocity1175 fps
Muzzle Energy613 ft. lbs
Ballistic Coefficient (G1)Not Provided
Case TypeBrass
Primer TypeBoxer
CorrosiveNot Provided
ReloadableYes
Lead FreeNot Provided
Staked PrimerNot Provided
Country of OriginUSA

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SHIPPING AMMUNITION


Attention Ammunition Buyers You must be 21 years or older to order ammunition. Ammo must ship UPS/FedEx Ground. For safety reasons, we cannot accept returns on ammo. Always, make sure that you use the correct ammunition for your gun. Please check local laws before ordering.


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Ammo Shipping Zones
Target Sports USA only ships ammo to Contiguous 48 states only. We do not ship ammo to Alaska & Hawaii 
   
Proposition 65 Warning
 This product can expose you to chemicals including lead, which are known to the State of California to cause cancer and reproductive harm. For more information go to www.p65warnings.ca.gov.

Reviews

20 Customer Review(s)
5 Star
15  (75%)
4 Star
3  (15%)
3 Star
1  (5%)
2 Star
0  (0%)
1 Star
1  (5%)
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Comments and Reviews on Winchester Big Bore 10mm AUTO Ammo 200 Grain Semi-Jacketed Hollow Point - X10MMBB
Performancestarstarstarstarstar
Valuestarstarstarstarstar
Qualitystarstarstarstarstar
For the price tag decent ammo. Heavy grain but still felt too sluggish. Not a bad round, just felt off.
Reviewed by David  E
11/12/2025 1:55:29 PM
Comments and Reviews on Winchester Big Bore 10mm AUTO Ammo 200 Grain Semi-Jacketed Hollow Point - X10MMBB
Performancestarstarstarstarstar
Valuestarstarstarstarstar
Qualitystarstarstarstarstar
Will these take a grizzly? IDK. Is bear spray a viable option? Yes! Will anything shot with this be able to keep coming? Probably not. These are a solid option imo.
Reviewed by Darren  L
3/10/2025 6:00:29 PM
Comments and Reviews on Winchester Big Bore 10mm AUTO Ammo 200 Grain Semi-Jacketed Hollow Point - X10MMBB
Performancestarstarstarstarstar
Valuestarstarstarstarstar
Qualitystarstarstarstarstar
Don’t like it, not a fan of this ammo.
Reviewed by Matthew  R
2/6/2025 10:05:30 PM
Comments and Reviews on Winchester Big Bore 10mm AUTO Ammo 200 Grain Semi-Jacketed Hollow Point - X10MMBB
Performancestarstarstarstarstar
Valuestarstarstarstarstar
Qualitystarstarstarstarstar
Good price on this ammo, solid shot from Winchester Big Bore.
Reviewed by Kelly  B
12/16/2024 12:15:37 PM
Comments and Reviews on Winchester Big Bore 10mm AUTO Ammo 200 Grain Semi-Jacketed Hollow Point - X10MMBB
Performancestarstarstarstarstar
Valuestarstarstarstarstar
Qualitystarstarstarstarstar
Best price I could find by far! This is my go to carry ammo for S&W 10mm carry in bear country!
Reviewed by Andrew  H
7/16/2024 11:00:24 AM

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Questions & Answers

Frequently Asked Questions
Question:What is the Muzzle Velocity and Muzzle energy? this is important info when it comes to 10mm. - Matthew (05/12/2023)
Response:Matthew, according to the manufacturer the Muzzle Velocity and Muzzle Energy on this ammo is as follows. MV 1175 fps, ME 613 ft. lbs. Thank you for visiting TargetSportsUSA.com
Question:The description states 240 grain The box says 200 grain which is it???? - Michael (05/04/2023)
Response:Michael, this ammunition is 200 grain the box is correct, i will get the description updated. Thank you for visiting TargetSportsUSA.com

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Manufacturer Details

About Winchester Ammunition

Winchester Ammunition is proudly made in the USA and is one of the most iconic and trusted names in the firearms industry, delivering over 150 years of innovation, reliability, and performance. Known for legendary product lines like Winchester Super-X, Winchester Deer Season XP, and Smith & Wesson, USA Winchester White Box, Winchester offers a full range of handgun, rifle, and shotgun ammunition tailored for hunting, defense, and target shooting. Built with consistent quality and precision engineering, Winchester rounds are favored by professionals and recreational shooters alike. Target Sports USA carries bulk Winchester Ammo with free shipping and great pricing on popular calibers like 9mm Luger ammo, .223 Rem ammo, 12 Gauge ammo, .40 s&w ammo, and 308 Winchester ammo.

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