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What is 8mm Mauser (8x57mm JS) Ammo? 🤔
It is a rimless, bottleneck cartridge that has a bullet diameter of 8.2mm and a case length of 57mm. It typically uses a 196-198 grain full metal jacket or soft point bullet, which travels at a muzzle velocity of around 2,700 feet per second.
History🔎
- 8mm Mauser, also known as 8x57mm or 7.92x57mm, is a military cartridge that was first introduced in 1888.
- It was used by the German Empire during World War I and II and has since been adopted by various other countries around the world.
- The “JS” in 8x57mm JS stands for “Jgewehr Spitzer,” which means “rifled rifle” in German.
Pros⚡
- This cartridge is known for its accuracy and reliability and is a favourite among long-range shooters and hunters.
- It is versatile enough to be used for big game hunting, target shooting, and military applications.
Types 💡
🎯 1. Full Metal Jacket (FMJ): This is a popular choice for target shooting and plinking. FMJ rounds feature a lead core encased in a copper jacket for added durability and penetration.
🎯 2. Soft Point (SP): SP rounds have a partially-exposed lead tip that promotes expansion upon impact, making them ideal for hunting applications. The exposed tip also allows for increased accuracy at moderate ranges.
🎯 3. Hollow Point (HP): HP rounds have a hollow cavity in the tip that allows for rapid expansion upon impact, resulting in greater stopping power. This type of ammo is often a preferred choice for self-defence situations.
🎯 4. Ballistic Tip (BT): BT rounds feature a plastic tip that helps with aerodynamics and expansion upon impact, making them a popular choice for hunting and varmint control.
🎯 5. Polymer-Tipped (PT): PT rounds are similar to BT rounds but feature a polymer tip that promotes accuracy and penetration while minimizing drag for increased speed and range.
Storage 📂
🚩 1. Keep your ammo in a cool and dry place – Exposure to heat and humidity can cause your ammo to deteriorate, so it is important to store it in a cool and dry place. A temperature-controlled safe or a sealed container in a cool and dry room is usually ideal.
🚩 2. Avoid exposure to light – Exposure to sunlight and artificial light can also lead to the deterioration of your ammo. Therefore, keep your ammo in a dark place or use a container that blocks out light.
🚩 3. Keep your ammo away from moisture – Moisture can cause your ammo to corrode or deteriorate. Thus, avoid storing your ammo near sources of moisture such as water heaters, sinks, and other wet areas.
🚩 4. Store your ammo in its original packaging – Ammo usually comes packaged in boxes, and these boxes are specifically designed to protect the ammo during storage and transportation. Therefore, keep your ammo in its original packaging whenever possible.
🚩 5. Label and organize your ammo – It is important to label and organize your ammo so that you can easily locate what you need when you need it. This also makes it easier to keep track of your inventory and rotate your ammo for future use.
Best 💣 8mm Mauser (8x57mm JS) Ammo Reviews
1# 8x57mm – 198 Grain FMJ-BT – Prvi Partizan
Looking for a hard-hitting cartridge with a long impressive history and equally impressive properties? Look no further than Prvi Partizan’s 8x57mm 198 Grain FMJ-BT Match ammunition. Since 1928, Prvi Partizan has been producing custom ammunition for a variety of applications, and their Match line is designed specifically for precision shooting at both short and long distances. The match bullets are made with high-quality materials on special equipment at the factory, and Prvi ammunition meets all SAAMI standards. This new product is non-corrosive, reloadable, and comes in boxer-primed brass cases. With a muzzle velocity of 2181 fps and muzzle energy of 2109 ft. lbs., this ammunition is sure to meet your needs and exceed your expectations.
2# 8mm Mauser – 200 Grain FMJBT – PPU Match
When you want reliable, high-quality ammunition for your 8mm Mauser, look no further than PPU Match. These 200 grain full metal jacket boat tail (FMJBT) cartridges are perfect for range training or competitive shooting, and are loaded with only the highest quality components. The FMJBT design minimizes lead residue build-up and improves accuracy at long range, while the non-corrosive brass casings are reloadable for added convenience. With 90 years of experience, PPU knows a thing or two about manufacturing reliable ammunition, so you can be sure you’re getting a product you can depend on. Order your 8mm Mauser – 200 Grain FMJBT – PPU Match today!
Reloading 🔌
📎 To begin, it is important to understand that reloading for any calibre, including 8mm Mauser, requires careful attention to detail and safety. Always follow the recommended reloading procedures and safety guidelines provided by the manufacturer of your reloading equipment.
📎 You will need to select the appropriate brass, bullets, powder, and primers. It is recommended that you choose high-quality components from reputable manufacturers to ensure reliability and accuracy in your reloads. You will also need reloading dies, a powder scale, a powder measure, a bullet seater, and a case trimmer.
📎 The first step in reloading is to clean and inspect your brass. Use a brass brush, cleaning solution, and a cloth or patch to remove any dirt, debris, or residue from your brass. Inspect each case for signs of wear, cracks, or other damage that could compromise integrity or accuracy.
📎 Next, you will need to resize your brass using a full-length resizing die. This will ensure that your brass is properly sized to fit your chamber and minimize chamber pressure. Be sure to lubricate the inside of the resizing die and the outside of the case before resizing.
📎 After resizing, you will need to remove the spent primer and replace it with a new primer using a primer tool. Choose a primer that is appropriate for your chosen powder and bullet combination.
📎 Now, it’s time to measure and dispense your powder. Use a powder scale to weigh your powder charge and a powder measure to dispense the desired amount of powder into each case.
📎 Next, you will need to seat your bullet using a bullet seater die. Adjust the die to the appropriate depth to ensure proper bullet placement and chamber pressure.
📎 Finally, you will need to trim your brass to the appropriate length using a case trimmer. This will ensure that your rounds meet the length requirements of your chamber and will cycle smoothly.
Happy reloading! 😎
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FAQ 🤠
Conclusion 😎
It can be tough to find the best 8mm Mauser (8x57mm JS) ammo, but this article provides a comprehensive guide to help you make an informed decision. We’ve included reviews of some of the most popular brands of 8mm Mauser ammunition on the market and shared some tips about what to look for when making your purchase. Whether you’re looking for target shooting practice rounds or hunting ammo, we’ve got you covered. Let us know in the comments which brand of 8mm Mauser ammo is your favourite! ❤️ 🔥
It has come to my attention that PPU offers two distinct power levels for their 198 Grain Full Metal Jacket Boat Tail bullets. Specifically, there is a version labeled as 8mm Mauser with a velocity rating of 2100 FPS or higher, and another version labeled as 8X57 IS with a much higher velocity rating of 2475 FPS. Notably, there is a 12.99% difference in velocity between these two options.
The reason for the discrepancy in power levels between the two PPU bullet options is due to the variation in bore sizes. Specifically, pre-World War 1 rifles were equipped with “J-bores,” which were slightly smaller in diameter than the .323 bore found in the k98’s. Consequently, these bullets can be used in either rifle interchangeably, but some are deliberately powered down to prevent potentially dangerous blow-ups.
Okay, so I saw this ammo at the store. But what for are you using them?
🔵 If you plan on hunting a larger game, you’ll want to choose a round with enough stopping power to take down your quarry. Look for cartridges with a heavier bullet weight and higher muzzle velocity.
🔵 On the other hand, if you’re using 8mm Mauser (8x57mm JS) Ammo for target shooting, you might prioritize accuracy and consistency. Match-grade cartridges are designed for precisely this purpose, with a focus on tight groupings and minimal variation from shot to shot.
I own a 1916 German Mauser, and the type of ammunition I use when shooting it is known as 8mm Mauser at a range of 100 yards. So the post is useful for me
Thank you for your feedback!
I used to purchase the 200 Grain Full Metal Jacket Boat Tail 8mm Match rounds for nearly $1 per round, but I can no longer afford to do so.
What is the difference between 8mm Mauser JS and JRS ammo?
🟡 JS refers to “Jacketed Spitzer” bullets with a diameter of .323 inches
🟡 JRS refers to “Jacketed Round Nose” bullets with a diameter of .318 inches.
⭕ It’s important to note that these two types of ammunition are not interchangeable, and using the wrong size can lead to dangerous consequences. Additionally, JS bullets are typically used in military rifles, while JRS bullets are more commonly used in older sporting rifles.
From my experince – the 8×57 IS cartridge, which is also known by various other names such as JS, S, or S-patronen, is essentially the same cartridge despite having slightly different designations. If you’re planning to reload this cartridge, it’s important to use bullets that have a diameter of .323 inches to ensure proper fit and function.