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10MM AUTO AMMO

Buy 10mm Ammo | The 10MM Auto Ammo Guide | Buy 10mm Ammo In Bulk

The 10mm Auto handgun has gained significant popularity among firearm enthusiasts and professionals alike. Jeff Cooper, a Lieutenant Colonel and firearms expert, played a key role in advocating for a powerful, high-velocity semi-auto cartridge, which led to the development of the 10mm Auto. Introduced in 1983 by FFV Norma AB of Sweden for the Bren Ten pistol, this cartridge offers an outstanding balance of power, accuracy, and versatility, making it a preferred choice for many.

Introduction to 10mm Auto

The 10mm Auto is a semi-automatic pistol cartridge known for its strong performance in self-defense, competitive shooting, and hunting applications. Designed to offer a flatter trajectory and higher energy transfer than traditional pistol calibers, the 10mm Auto stands out as a potent option for shooters who demand versatility and stopping power.

While initially adopted by the FBI, the 10mm Auto was later phased out due to its high recoil, leading to the development of the .40 S&W. However, the 10mm remains a favorite among civilian shooters and hunters looking for a high-performance handgun round.

Here is what we are shooting at Pro Armory in 10MM!

10mm Auto Ballistics and Performance

The 10mm Auto features a rimless, straight-walled casing measuring 1.250 inches in length, with a bullet diameter of 10.17mm (.400 inch).

  • Pressure Ratings: The Sporting Arms and Ammunition Manufacturers’ Institute (SAAMI) sets the maximum pressure at 37,500 psi, while C.I.P. limits it to 33,000 psi.
  • Velocity & Energy: Depending on the load, 10mm Auto rounds can deliver muzzle velocities between 1,100 and 1,400 feet per second (fps), providing significantly higher energy than most 9mm and .45 ACP loads.
  • Performance Variability: Ballistics can vary slightly between manufacturing lots, but top brands maintain consistency within an acceptable tolerance range. Shooters should verify actual performance through chronograph testing if precise data is required.

Ammunition Options

Bullet Types

The 10mm Auto offers several bullet types tailored to different shooting applications:

  • Jacketed Hollow Point (JHP) – Designed for self-defense, JHP rounds provide controlled expansion upon impact to maximize stopping power. Examples include Hornady Custom and Federal HST.
  • Bonded Soft Point (BSP) – A strong choice for hunting, bonded bullets retain weight well and penetrate deeply, making them effective for large game. Federal Premium Trophy Bonded is a prime example.
  • Full Metal Jacket (FMJ) – Common for training and target shooting, FMJ rounds are affordable and produce less barrel lead buildup compared to unjacketed lead bullets. Popular options include Sellier & Bellot FMJ and Winchester White Box FMJ.

Bullet Weight Options

The 10mm Auto cartridge is available in a variety of bullet weights, each with distinct advantages:

  • 135-Grain – High-velocity load often used for self-defense or varmint control. These rounds may not always have lower recoil compared to heavier loads.
  • 165-180-Grain – The most common weight range for defensive and hunting use, balancing speed and stopping power.
  • 200-Grain – Offers deep penetration and higher kinetic energy, often used in hunting applications.
  • 220-Grain Hard Cast – A top choice for bear defense and large game hunting. These rounds provide maximum penetration through thick hide and bone.

Why Choose 10mm Auto?

The 10mm Auto continues to be one of the most versatile handgun cartridges available. Whether you need a powerful self-defense round, a capable hunting cartridge, or a high-energy range load, the 10mm Auto delivers. With a variety of bullet weights and styles available, shooters can find the right combination to meet their specific needs.

If you’re looking to buy 10mm ammo in bulk, be sure to choose reputable brands to ensure consistent performance and reliability in your firearm.

Why Buy 10MM Ammo at Pro Armory?

  • Competitive pricing on bulk and single-box purchases.
  • Fast and reliable shipping across the U.S.
  • Trusted brands and quality-tested products.
  • Expert customer support to help you choose the right ammo.

Buying 10MM Ammo Online

Purchasing 10MM ammo online can be both convenient and cost-effective. Here are some tips to ensure a smooth buying experience:

  • Website Security: Always check the website’s security and privacy policies to ensure your personal and payment information is protected.
  • Wide Selection: Look for websites that offer a broad range of ammo from various manufacturers, giving you more options to choose from.
  • Shipping Policies: Review the website’s shipping policies to ensure your ammo will be delivered promptly and efficiently.
  • Discounts and Promotions: Consider purchasing from websites that offer discounts and promotions to get the best value for your money.
  • Legal Compliance: Always follow local and federal laws when purchasing ammo online to ensure you are compliant with regulations.

By following these tips, you can confidently buy 10MM ammo online, ensuring you get the best products at the best prices.

Safety and Protection

At Pro Armory, your safety is our top priority. We offer a range of safety and protection products to ensure you have a safe and enjoyable shooting experience. From hearing protection to range bags, we’ve got everything you need to stay protected.

  • Walker Hearing Protection: Protect your hearing with our selection of Walker hearing protection products. Whether you’re at the range or in the field, our hearing protection options will keep your ears safe from harmful noise levels.
  • Safety Glasses: Keep your eyes safe with our range of safety glasses. Designed to provide clear vision and protection from debris, our safety glasses are a must-have for any shooter.
  • Ear Protection: In addition to Walker hearing protection, we offer a variety of ear protection products to suit your needs. From earplugs to earmuffs, we have options to ensure your hearing is protected.
  • Range Bags: Keep your gear organized and safe with our range of range bags. Designed to carry your firearms, ammo, and accessories, our range bags make it easy to transport everything you need for a successful shooting session.

By prioritizing safety and protection, you can ensure a fun and safe shooting experience. Remember to always follow proper safety protocols and use common sense when handling firearms. At Pro Armory, we’re here to support you with the best safety products and accessories available.

Final Thoughts

The 10MM remains a trusted choice for hunting, CCW/open carry and self-defense, particularly for those seeking a powerful round with excellent penetration and a lighter firearm to carry in the woods to ward off bears. With advancements in defensive ammunition, modern 10MM  loads offer significantly improved stopping power compared to earlier generations.

When selecting your 10MM ammunition, consider your intended use, firearm compatibility, and ballistics performance to make the best choice for your shooting needs.

Browse our selection of 10MM ammo today and get fast shipping on bulk orders!

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ProArmory Experts Choice For

10MM Home Defense Ammo

The experts at ProArmory recommend these 10MM JHP options for home defense and concealed carry needs.

 


What Are The Different Types of 10MM Ammo?


The two most common types of 10MM ammo are full metal jacket or (FMJ)  and Jacketed Hollow Points or JHP. 

 

Full Metal Jacket (FMJ): A FMJ bullet has a metal jacket that covers the lead core and unlike a hollow point bullet, FMJ is not designed to expand upon impact.

 

FMJ rounds are typically used for range training or target practice.

 

Jacketed Hollow Point (JHP): A JHP bullet generates more force and does expand on impact. Jacketed Hollow Points are intended for self-defense use because of the increased expansion and penetration upon impact.

 
Steel Case Ammo: The casing of this bullet is made from steel, which is cheaper than brass casings. Steel casings are less durable and can be harder on firearms. Here at ProArmory.com, we do not recommend steel cased ammo if you can avoid it.


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