CCI 400
CCI Small Rifle Primers #400
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CCI Small Rifle Primers #400


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The Ultimate Guide to CCI 400 Primers: Everything You Need to Know

When it comes to reloading, the choice of primer can significantly influence your shooting accuracy and reliability. Among the myriad options available to shooters and hunters, CCI 400 primers have stood out as a dependable choice for small rifle applications. In this comprehensive guide, we delve into the specifics of CCI 400 primers, their applications, and how they compare with other primers in the market, particularly the CCI 450.

CCI 400

What are CCI 400 Primers?

C.C.I 400 primers are designed specifically for small rifle cartridges. Known for their consistency and sensitivity, these primers ensure reliable ignition under various shooting conditions. Manufactured by CCI, also a renowned name in the ammunition industry, these primers are a popular choice among reloading enthusiasts. For more details on their specifications, visit CCI’s official website.

CCI 400 Primers: Features and Benefits

The CCI #400 primers are celebrated for their unmatched reliability. They provide consistent performance, a critical factor for shooters aiming for precision. The primers’ sensitivity ensures optimal ignition, making them suitable for use even in adverse weather conditions. Their reliability is one reason many shooters prefer CCI small rifle primers 400 over other brands.

CCI 400 vs 450 Primers: Understanding the Difference

The main difference between CCI 400 and 450 primers lies in their design and also intended use. The CCI 450 primers are designed to handle higher pressures, making them suitable for heavy-load applications. In contrast, C.C.I 400 primers are ideal for standard small rifle cartridges. Choosing between them depends on the specific requirements of the ammunition being reloaded.

Compatibility and Use Cases

C.C.I 400 primers are compatible with a wide range of small rifle calibers. One common question among reloaders is, “Can you use CCI 400 primers for 223?” The answer is yes; these primers work well with .223 Remington among other calibers.

Another frequently asked question is whether “Does Hornady 6.5 Grendel brass take No.400 CCI primer?” Given the versatility of C.C.I 400 primers, they are indeed a suitable choice for Hornady 6.5 Grendel brass, aligning with the brass’s specifications for optimal performance.

CCI 400

Applications of CCI Primers 400

The primary use for C.C.I 400 primers is in reloading small rifle cartridges. They are widely favored for their ability to provide consistent ignition, making them an excellent choice for target shooting and also hunting where reliability is paramount.

Installation and Safety

Handling CCI #400 small rifle primers requires adherence to safety guidelines. It’s crucial to follow best practices for reloading to prevent accidental ignition. Always work in a well-ventilated area, free from any potential sparks or open flames.

Buying Guide

When purchasing CCI primers 400, ensuring you’re buying genuine products is crucial. You can find authentic C C I 400 primers at respected retailers like Natchez Shooters Supplies and Academy Sports + Outdoors.


Can you use CCI 400 primers for 223?

Yes, C.C.I 400 primers are suitable for .223 Remington cartridges, offering reliable ignition for this popular caliber.

Does Hornady 6.5 Grendel brass take No.400 CCI primer?

Indeed, C.C.I 400 primers are compatible with Hornady 6.5 Grendel brass, ensuring consistent performance.

What are CCI 400 primers used for?

C.C.I 400 primers are primarily used for reloading small rifle cartridges, favored for their reliability in target shooting and also hunting.

What is the difference between CCI 400 and 450 primers?

The difference lies in their design; C.C.I 450 primers are intended for high-pressure loads, while CCI 400 primers are suitable for standard small rifle cartridges.


CCI 400 primers stand out as a reliable choice for small rifle reloading, offering consistency, sensitivity, and also versatility. Whether you’re a seasoned reloader or new to the hobby, understanding the specifics of these primers can enhance your shooting experience. Always prioritize safety and ensure you’re purchasing genuine products from reputable sources.

For more information on reloading and also primers, visit CCI Ammunition.

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