IMR 4064


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IMR 4064 Powder Guide: Usage & Reloading Tips

Welcome to our comprehensive guide on using IMR 4064 powder for reloading. Whether you are a seasoned handloader or just starting out, this guide aims to provide you with valuable insights and tips to ensure optimal performance. IMR 4064 is a versatile powder known for its consistency and accuracy, making it a popular choice among reloaders. In this guide, we will explore the history of IMR powders, provide detailed instructions on using IMR 4064, discuss safety considerations, and offer expert recommendations. Let’s dive in!

Key Takeaways:

  • IMR 4064 is a versatile powder that offers consistent performance and accuracy.
  • Proper primer seating depth is crucial for reliable ignition.
  • Safety precautions should always be followed when reloading with IMR 4064.
  • Starting with the minimum recommended load and working your way up is recommended for optimal performance.
  • Load data for IMR 4064 is available for various rifle cartridges.

The History of IMR Powders

IMR powders have a long and storied history that traces back to the 1930s under the DuPont Corporation. Designed with the goal of enhancing military rifle performance, the IMR brand was aptly named “Improved Military Rifle” or IMR. From the outset, IMR powders proved to be game-changers, quickly gaining popularity among handloaders and precision shooters alike.

As the brand grew in prominence, several standout powders emerged as favorites within the reloading community. Some of the most renowned IMR powders include:

  • IMR 3031: A versatile powder known for its excellent performance in various rifle cartridges.
  • IMR 4064: A consistent and accurate powder widely favored for reloading purposes.
  • IMR 4350: An exceptional powder renowned for delivering optimal velocity and accuracy.

These powders have unquestionably stood the test of time and continue to be widely sought after by handloaders seeking unmatched performance and reliability.

Using IMR 4064 for Reloading

When it comes to reloading your rifle cartridges, IMR 4064 powder is a reliable and versatile choice. Known for its consistent performance and accuracy, IMR 4064 is favored by many handloaders. One important factor to consider when using IMR 4064 is the primer seating depth.

To ensure proper ignition, it is crucial to seat the primer just below flush. This careful attention to detail will help maintain the powder’s reliable performance. IMR 4064 is especially well-suited for .30-06 Springfield cartridges, and load data is readily available for different bullet weights and barrel lengths.

To give you a better understanding of the load data for IMR 4064, here’s a table showcasing some examples:

Bullet Weight (grains) Powder Charge (grains) Velocity (fps)
150 46 2800
165 43.5 2700
180 42 2600

Remember, always refer to reliable load data and never exceed the recommended maximum loads. Following the load data accurately will ensure safe and effective reloading with IMR 4064.

Safety Considerations for Reloading with IMR 4064

When reloading with IMR 4064, our utmost priority should be safety. It is crucial to follow all recommended safety precautions to ensure a secure and successful reloading experience. Paying attention to key factors like primer seating depth and lot-to-lot burning rate variations is essential for maintaining consistency and preventing potential hazards.

Primer Seating Depth

A primary safety consideration when using IMR 4064 is proper primer seating depth. Incorrect primer seating can result in misfires and inconsistent ignition, potentially compromising the safety and reliability of your ammunition. To achieve optimal performance, ensure that the primer is seated just below flush with the case head, following the manufacturer’s guidelines.

Lot-to-Lot Burning Rate Variations

Another crucial aspect of reloading safety is to monitor for any lot-to-lot burning rate variations in IMR 4064. While IMR powders are known for their consistency, slight variations can occur from one lot to another. It is crucial to check the burning rate of each new lot, as variations may affect the performance and pressure of your handloads. Always refer to the latest load data provided by reliable sources to ensure safe and accurate reloading.

Load Data and Maximum Loads

Safe reloading practices with IMR 4064 require us to adhere to recommended load data provided by reliable sources. Make sure to consult reputable reloading manuals and online resources that provide accurate and up-to-date load data for IMR 4064. It is essential to never exceed the maximum loads specified for your specific caliber and bullet weight combination. Exceeding the recommended maximum loads could lead to dangerous pressures and potentially result in firearm damage or personal injury.

Primer Seating Depths IMR 4064 Burning Rate Variations Load Data
  • Ensure primer is seated just below flush with case head
  • Follow manufacturer’s guidelines
  • Monitor for lot-to-lot burning rate variations
  • Check burning rate of new lots
  • Refer to reliable load data sources
  • Never exceed recommended maximum loads

By prioritizing safety considerations and adhering to proper reloading practices, we can ensure a secure and successful reloading experience with IMR 4064. Remember to always follow safety guidelines, refer to reliable load data, and maintain the integrity of your ammunition for a consistent and enjoyable shooting experience.

Tips for Optimal Performance with IMR 4064

To achieve optimal performance with IMR 4064, it is crucial to follow a few key tips. Starting with the minimum recommended load and gradually working your way up while monitoring for pressure signs ensures a safe and efficient reloading process. By maintaining proper bullet seating depth and overall cartridge length based on the specific load data for your bullet and cartridge combination, you can enhance accuracy and consistency.

Attention to detail and adherence to recommended reloading practices are paramount for achieving reliable and accurate results with IMR 4064. Here’s a step-by-step guide for maximizing the performance of your reloads:

  1. Begin with the minimum recommended load and work your way up:
  • Start reloading with IMR 4064 at the lowest recommended charge weight specified in the load data.
  • Gradually increase the powder charge while closely monitoring for any signs of excessive pressure, such as flattened primers or difficult extraction.
  • Stop increasing the charge weight as soon as you observe any pressure signs. Proceeding with caution is crucial for safety.
  • Maintain proper bullet seating depth:
  • Refer to the load data for your specific bullet and follow the recommended overall length (OAL) for the cartridge.
  • Carefully measure and adjust the bullet seating depth to ensure it aligns with the load data specifications.
  • Proper bullet seating depth helps achieve consistent ignition and optimal performance.
  • Follow recommended overall cartridge length:
  • Consistently maintain the overall length (OAL) of your reloads as specified in the load data.
  • Variations in cartridge length can affect bullet alignment with the rifling and lead to inconsistent performance.
  • Use calipers or other precise measuring tools to verify and maintain the correct overall cartridge length.

By implementing these tips, reloaders can ensure that IMR 4064 delivers the optimal performance they desire. A well-adjusted powder charge, proper bullet seating, and consistent cartridge length contribute to improved accuracy, precision, and reliability. It’s essential to always reference reliable load data and adhere to safe reloading practices to achieve the best results.

Load Data for IMR 4064

When it comes to reloading with IMR 4064, having access to reliable load data is essential. Fortunately, load data for IMR 4064 is readily available for various rifle cartridges, including the popular .30-06 Springfield.

The load data provides detailed information on recommended powder charges and velocities for different bullet weights and barrel lengths, allowing reloaders to achieve safe and reliable ammunition. By precisely following the recommended load data, shooters can ensure optimal performance with IMR 4064 powder.

Rifle Cartridge Bullet Weight Powder Charge Velocity
.30-06 Springfield 150 grains 46.0 grains 2,900 fps
.30-06 Springfield 165 grains 44.0 grains 2,800 fps
.30-06 Springfield 180 grains 42.0 grains 2,700 fps

These are just a few examples of the load data available for IMR 4064. Each combination of cartridge, bullet weight, and barrel length will have specific load recommendations.

It is important to note that load data can differ between manufacturers and bullet brands, so it is crucial to refer to trusted sources and consult reputable reloading manuals for accurate and up-to-date information.

By utilizing the available load data and precision reloading techniques, reloaders can achieve the desired performance and accuracy with IMR 4064 powder.

Practical Applications of IMR 4064 Powder

When it comes to reloading ammunition, IMR 4064 powder is a popular choice with practical applications in both hunting and precision shooting. Its versatility and consistent performance make it suitable for a wide range of rifle cartridges and bullet weights. Whether you’re a competitive shooter or a big game hunter, IMR 4064 can provide the accuracy and reliability you need to succeed in the field or on the range.

When using IMR 4064 powder, handloaders appreciate its ability to deliver consistent velocities, which translates to improved accuracy and more reliable shot placement. This consistency is crucial in both hunting scenarios, where the ethical harvesting of game requires precise shot placement, and precision shooting competitions, where every shot counts toward achieving the highest score.

One of the practical advantages of IMR 4064 powder is its versatility. Handloaders can use it in a variety of rifle cartridges, such as the popular .30-06 Springfield, as well as other cartridges that require a medium-burning powder. This versatility allows shooters to experiment with different bullet weights and loads, tailoring their ammunition to match their specific shooting needs.

To showcase the practical applications of IMR 4064 powder, we’ve compiled a table that highlights some of its popular uses across different rifle cartridges and bullet weights:

Rifle Cartridge Bullet Weight Practical Application
.30-06 Springfield 150 grains Hunting medium-sized game
.308 Winchester 168 grains Precision shooting competitions
6.5 Creedmoor 140 grains Long-range target shooting

This table is just a snapshot of the practical applications of IMR 4064 powder. Depending on your specific needs and shooting preferences, you may find other suitable combinations that work exceptionally well with this versatile powder.

In conclusion, IMR 4064 powder offers practical applications for a variety of shooting disciplines. Its versatility, consistency, and reliability make it a go-to choice for both hunting and precision shooting. When used responsibly and in accordance with recommended load data and safety guidelines, IMR 4064 can help you achieve the accuracy and performance you desire.

Benefits of Using IMR 4064 Powder

Using IMR 4064 powder offers several advantages for reloaders. Let’s explore the benefits of this versatile and reliable powder:

  1. Excellent Consistency: IMR 4064 powder is renowned for its exceptional consistency. This consistency directly translates to improved accuracy, ensuring that your reloads perform consistently shot after shot.
  2. Consistent Velocities: With IMR 4064, you can trust that each round you reload will deliver consistent velocities. This reliability is crucial for maintaining predictable performance, whether you’re shooting targets or engaging in hunting activities.
  3. Temperature Stability: One of the key advantages of using IMR 4064 is its temperature stability. This powder is designed to perform consistently across a range of environmental conditions, ensuring reliable performance regardless of the temperature variations you may encounter in the field.

These benefits make IMR 4064 a preferred choice among reloaders who prioritize accuracy, consistency, and reliability. Now, let’s take a closer look at the load data for IMR 4064 in the next section.

Comparisons to Other Powders

In the world of reloading, it’s common for shooters to compare different powders to find the best option for their needs. IMR 4064 is often included in these comparisons, alongside other popular powders such as IMR 4350 and Varget. While each powder has its own unique characteristics, IMR 4064 stands out for its versatility and consistency, making it a favorite among handloaders.

One of the key advantages of IMR 4064 is its ability to deliver reliable performance across a wide range of rifle cartridges and bullet weights. Whether you’re reloading for a .223 Remington or a .308 Winchester, IMR 4064 can provide consistent results, ensuring that your ammunition performs as expected every time you pull the trigger.

But what sets IMR 4064 apart from its counterparts? Let’s take a closer look at how it compares to IMR 4350 and Varget, two powders that are often mentioned in the same breath.

IMR 4064 vs. IMR 4350

Both IMR 4064 and IMR 4350 are versatile powders that can be used in a variety of rifle cartridges. However, IMR 4064 is known for its slightly faster burn rate compared to IMR 4350. This can result in a more consistent pressure curve and improved accuracy, especially at medium-range distances.

While IMR 4350 may offer slightly higher velocities in certain applications, IMR 4064 provides excellent performance across a broader range of bullet weights and cartridges. This versatility makes IMR 4064 a popular choice for handloaders who load for multiple rifles or prefer a powder that can be used in a variety of shooting scenarios.

IMR 4064 vs. Varget

When comparing IMR 4064 to Varget, it’s important to consider the burn rate and application. Varget is a relatively fast-burning powder that excels in small to medium-sized cartridges and lighter bullet weights. On the other hand, IMR 4064 is better suited for medium to large cartridges and heavier bullet weights.

While Varget may provide slightly higher velocities in certain applications, IMR 4064 offers better performance when using heavier bullets or loading for larger cartridges like the .308 Winchester or even magnum cartridges. IMR 4064’s consistency and versatility make it a go-to powder for reloaders who prefer a broad range of applications.

Powder Burn Rate Versatility Performance
IMR 4064 Medium-Fast High Consistent and reliable across a broad range of rifle cartridges and bullet weights
IMR 4350 Medium-Slow Moderate Excellent performance with certain cartridges and slightly higher velocities in some applications
Varget Fast Low Best suited for smaller cartridges and lighter bullet weights, providing high velocities

While the table above provides a general overview, it’s important to note that the performance of these powders can vary depending on specific cartridge and bullet combinations. Always refer to reliable load data and conduct thorough testing to determine the best powder for your specific reloading needs.

Expert Recommendations for IMR 4064

When it comes to reloading applications where consistency and accuracy are paramount, experts unanimously recommend using IMR 4064 powder. Renowned for its versatility and reliability, IMR 4064 has established itself as a firm favorite among handloaders seeking excellent results. By following proper reloading techniques and utilizing the appropriate load data, shooters can achieve unmatched precision and performance.

IMR 4064’s ability to consistently deliver outstanding results across various rifle cartridges and bullet weights makes it an invaluable choice in the hands of experienced reloaders. The powder’s stable burn rate and optimal characteristics contribute to its reputation as a reliable and accurate option.

Expert recommendations emphasize the importance of adhering closely to recommended load data provided by reputable sources. This data serves as a crucial guide and safeguards against the risk of exceeding maximum loads, ensuring safety at all times. Meticulous attention to detail and a thorough understanding of the reloading process are vital aspects of maximizing the potential of IMR 4064.

Furthermore, experts emphasize the need for shooters to monitor pressure signs carefully, starting with the minimum recommended load and gradually working their way up. By closely observing their ammunition’s performance, handloaders can strike the perfect balance between achieving optimal results and maintaining safety standards.

Why Experts Trust IMR 4064:

  • Exceptional consistency and accuracy
  • Wide range of compatible rifle cartridges and bullet weights
  • Stable burn rate for reliable performance across environmental conditions
  • Proven track record among experienced handloaders
Pros Cons
Consistent performance and accuracy Requires careful adherence to load data
Versatile powder suitable for various applications Primer seating depth must be carefully managed
Reliable ignition and consistent velocities Standard velocity limitations compared to some powders
Temperature-stable for consistent performance in different climates Less suitable for certain specific cartridges

Understanding IMR Powder Brands

IMR powders are part of the esteemed Hodgdon Powder Company, a trusted name in the reloading industry. Alongside IMR, Hodgdon Powder Company is also home to other renowned powder brands like Hodgdon, Winchester, and GOEX. When it comes to sourcing gunpowder for your reloading needs, these brands have got you covered.

Each brand under Hodgdon Powder Company offers a diverse selection of powders, catering to different shooting applications and preferences. Whether you’re looking for powders suited for precision shooting or hunting, these brands deliver a wide range of options.

IMR Powder

  • IMR powders have a rich history and are known for their consistency and performance.
  • This brand offers a variety of powders suitable for various rifle cartridges and bullet weights.
  • Handloaders appreciate IMR powders for their versatility and reliability.

Hodgdon Powder

  • Hodgdon powders are renowned for their consistent burn rates, which translate to improved accuracy.
  • Shooters can find a wide range of powders under the Hodgdon brand, catering to different shooting styles and applications.
  • Hodgdon powders are a top choice for both professional shooters and hobbyists.

Winchester Powder

  • Winchester powders are designed to deliver consistent velocities and performance, helping shooters achieve reliable results.
  • With an extensive selection of powders available, Winchester caters to a variety of shooting disciplines and needs.
  • Reloaders trust Winchester powders for their quality and performance.

GOEX Powder

  • GOEX powders are renowned for their consistency and clean burning characteristics.
  • These powders are specifically formulated to deliver optimal performance in black powder firearms.
  • From traditional muzzleloaders to historical reenactments, GOEX powders are favored by enthusiasts.

By choosing IMR, Hodgdon, Winchester, or GOEX powders, handloaders can trust in the expertise and quality of these established brands. With their wide range of options, shooters can find the perfect powder to suit their specific needs, ensuring reliable and accurate reloads.


IMR 4064 powder has firmly established itself as a top choice for handloaders seeking consistent performance and exceptional accuracy. Its reputation for reliability and versatility makes it an invaluable resource for those looking to enhance shooting precision and safety.

When used responsibly, following proper reloading techniques, IMR 4064 powder delivers outstanding results. Its ability to maintain accuracy and safety across a wide range of rifle cartridges is a testament to its quality and effectiveness. Handloaders can rely on IMR 4064 to consistently deliver optimal performance.

Whether you’re a competitive shooter or a dedicated hunter, the many benefits of IMR 4064 powder make it a go-to option. Its proven track record, dating back to its introduction in the 1930s, has made it a trusted choice among reloaders. IMR 4064 powder offers the reliability and consistency necessary to achieve superior results.


What is the history of IMR powders?

IMR powders were first introduced in the 1930s under the DuPont Corporation and were originally developed to improve military rifle performance. In 2003, Hodgdon Powder Company acquired the IMR brand.

What is IMR 4064 powder used for?

IMR 4064 powder is a versatile option for reloading a variety of rifle cartridges. It is known for its consistent performance and accuracy.

What precautions should I take when reloading with IMR 4064?

Careful attention should be paid to primer seating depth and avoiding exceed recommended maximum loads to ensure proper ignition and prevent misfires.

How can I achieve optimal performance with IMR 4064?

It is recommended to start with the minimum recommended load and work your way up while monitoring for pressure signs. Additionally, following load data for specific bullet and cartridge combinations is crucial.

Where can I find load data for IMR 4064?

Load data for IMR 4064 is available for various rifle cartridges, including the .30-06 Springfield. It includes recommended powder charges and velocities for different bullet weights and barrel lengths.

What are the benefits of using IMR 4064 powder?

IMR 4064 offers excellent consistency, consistent velocities, and temperature stability, resulting in improved accuracy and reliable performance.

How does IMR 4064 compare to other powders?

While each powder has its own unique characteristics, IMR 4064 is favored for its versatility and consistency across a range of rifle cartridges and bullet weights.

What are the expert recommendations for IMR 4064?

Experts recommend using IMR 4064 for applications where consistency and accuracy are crucial. Following proper reloading techniques and load data is essential to achieve optimal results.

What other powder brands fall under the Hodgdon Powder Company?

Hodgdon Powder Company also includes popular powder brands like Hodgdon, Winchester, and GOEX.

Is IMR 4064 a popular choice for handloaders?

Yes, IMR 4064 is widely used by handloaders due to its consistent performance and accuracy, making it a valuable tool for reloading.


The most versatile propellant in the IMR line, used for 223 Remington, 22-250 Remington, 220 Swift, 6mm Remington, 243 Winchester Super Short Magnum, 308 Winchester, 338 Winchester Magnum, and the list goes on and on. Versatility with uniformity and accuracy.  Hodgdon IMR 4064 is a smokeless medium burn speed powder that is one of the most versatile offered in the Hodgdon IMR line of propellants. This powder is used for 243 Winchester super short Magnum, 308 Winchester, 338 Winchester Magnum, 6mm Remington and many others. IMR 4064, known for versatility, uniformity and accuracy is available in 1lb and 8lb containers.

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Additional information


1LB, 8LB


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