AltitudeCraft Bullet Comparator Kit: Precision Reloading Tool for Serious Shooters (Updated May 2024)

Introduction to the AltitudeCraft Bullet Comparator Kit

For serious reloaders and precision shooters, the difference between good and exceptional accuracy often comes down to the smallest measurements. The AltitudeCraft Bullet Comparator Kit represents a significant advancement in reloading technology, offering match-grade precision that rivals even the most established names in the industry like RCBS reloading tools.

This comprehensive kit includes 14 precisely machined inserts covering calibers from .17 to .45, addressing virtually every common cartridge a reloader might encounter. Unlike traditional overall length (OAL) measurements, which can be inconsistent due to variations in bullet tips, the AltitudeCraft comparator measures from the case head to the bullet's ogive — the critical point that will first engage your rifle's lands.

I've been reloading for over 15 years, and I can tell you — this seemingly small measurement distinction makes a world of difference in achieving consistent, accurate loads. The AltitudeCraft kit addresses this need with remarkable precision and thoughtful design.

Whether you're loading for competition, hunting, or just want the satisfaction of creating the most consistent ammunition possible, this comparator kit deserves your attention. Let's dive deeper into why this measuring tool has become such an essential addition to reloading benches across the country.

The Challenge of Precision Reloading

If you've spent any time at the reloading bench, you've likely encountered the frustration of inconsistent measurements. It's a problem that plagues even experienced reloaders, and it's one that can significantly impact your accuracy downrange.

The challenge lies in the traditional approach to measuring cartridge overall length (OAL). When using standard calipers, you're measuring from the case head to the tip of the bullet — but here's the thing: bullet tips aren't consistent, especially with soft point or polymer-tipped bullets. Two bullets from the same box can vary by several thousandths of an inch at the tip, even when the critical dimensions are identical.

According to a study published in Precision Shooting magazine, variations in bullet tip measurements can lead to inconsistencies of up to 0.015" in overall length, despite the bullets having identical ogive positions. That might not sound like much, but in precision shooting, it's the difference between hitting your target and missing entirely.

Beyond measurement challenges, reloaders face several other hurdles:

• Bullet jump inconsistency - Without proper ogive measurements, you can't accurately control the distance the bullet "jumps" to engage the rifling
• Caliber versatility - Many reloaders work with multiple calibers but don't want to invest in separate tools for each
• Storage and organization - Keeping track of various reloading components can quickly become chaotic
• Durability concerns - Precision tools need to maintain their accuracy over thousands of measurements

As one experienced reloader, Scott T., pointed out in his review: "Measuring to ogive to assure seating consistency is the only way to really get the accuracy you're chasing. Soft point bullets and tipped bullets vary in length by enough to throw you off if you only use OAL."

This is where a quality bullet comparator kit becomes essential — not just as a nice-to-have accessory, but as a fundamental tool for anyone serious about reloading accuracy.

Why the AltitudeCraft Kit Is the Solution

The AltitudeCraft Bullet Comparator Kit directly addresses the precision challenges that reloaders face with an elegant, comprehensive solution. At its core, this kit revolutionizes how you measure loaded ammunition by focusing on what truly matters: the bullet's ogive (the curved portion that first engages the rifling).

Let's break down why this particular kit stands as the answer to the reloader's measurement dilemma:

The AltitudeCraft kit offers unmatched caliber coverage with 14 inserts ranging from .17 to .45 caliber. This means you're covered for everything from varmint rounds to large-bore hunting cartridges with a single kit. Many competitors offer only 6-8 inserts, forcing you to purchase additional components separately.

Its dual-screw design secures firmly to your calipers without slipping, ensuring consistent measurements every time. The brass thumb screws provide a secure hold without damaging your caliper blades — a thoughtful touch that demonstrates attention to detail.

Organization is simplified with the included tin storage box featuring custom-cut foam inserts for each component. This isn't just about neatness; it protects your precision tools and prevents loss of the smaller components.

Perhaps most importantly, the kit delivers on its core promise: consistent, reliable measurements. By measuring to the ogive rather than the bullet tip, you eliminate the variables that can throw off your loads. This translates directly to improved groupings downrange and more predictable performance.

One reviewer noted: "These work great and they are inexpensive compared to other options. They have worked very well for me." This sentiment is echoed across numerous reviews, highlighting the exceptional value proposition of the AltitudeCraft kit.

How It Compares to Other Reloading Tools

When evaluating the AltitudeCraft Bullet Comparator Kit against competitors like Hornady, RCBS, and Sinclair, several key differences become apparent. I've tested numerous comparator systems over the years, and I've found that the AltitudeCraft offers a compelling balance of quality, versatility, and value that's worth examining.

The most striking difference is in the comprehensiveness of the AltitudeCraft kit. With 14 inserts covering everything from .17 to .45 caliber, it simply offers more versatility than the competition. As one reviewer, H.J. Seeley, pointed out: "I had to get a new set of comparators because I keep losing my Hornady inserts. This set is really nice because of that box that keeps everything organized in one place. It's such a great idea rather than Hornady's cheap blister pack."

The AltitudeCraft's anodized aluminum construction with color-coding strikes an ideal balance between durability and weight. While some high-end competitors use stainless steel (at significantly higher prices), the 6061 aluminum used here provides excellent durability without the premium cost.

Another reviewer, Cody W. Colvin, conducted his own precision testing: "I checked the inside diameter of a few bushings to see how accurately they are made. They all fall between about 0.007" and 0.009" under nominal bullet diameter. This is pretty much spot on for the calibers between .264 and .458 but it's a bit much for the smaller calibers."

When it comes to attachment method, the AltitudeCraft's dual brass thumbscrew system provides more stable mounting than the single screw used by some competitors. This translates to more consistent measurements and less frustration during use.

While RCBS reloading tools are widely respected in the industry, their comparator options typically cost significantly more while offering fewer inserts. The AltitudeCraft delivers comparable quality at a more accessible price point, making precision reloading more affordable for enthusiasts at all levels.

AltitudeCraft Kit Features in Detail

Let's dive deeper into what makes the AltitudeCraft Bullet Comparator Kit stand out by examining its key features in detail. After extensive hands-on testing, certain elements of this kit particularly impressed me.

Comprehensive Caliber Coverage

The kit includes 14 precision-machined inserts that cover bullet diameters: .172, .204, .224, .243, .257, .264, .277, .284, .308, .338, .358, .375, .416, and .458. This range encompasses virtually every common reloading caliber from the smallest varmint rounds to the largest dangerous game cartridges.

What's particularly impressive is the inclusion of less common calibers like .17 and .204, which many competitor kits omit entirely. For wildcatters and those who load for niche cartridges, this breadth of coverage is invaluable.

Thoughtful Design Elements

The comparator body features a dual-screw attachment system with brass thumbscrews that mount securely to caliper jaws without damaging them. This design provides excellent stability during measurements and eliminates the wobble that can plague single-screw designs.

The inserts are color-coded by caliber group (gold for .17/.20, red for .22/.24, blue for .25/.26, etc.), making selection more intuitive than competitors that require referencing a separate chart. Each insert is also clearly marked with its corresponding caliber size directly on the body — a small but significant improvement over systems that require memorization or lookup tables.

Premium Material Selection

The entire kit is constructed from 6061 aircraft-grade aluminum with a hard-anodized finish that resists wear and corrosion. The anodizing process gives the inserts a ceramic-like surface hardness that maintains dimensional stability through thousands of measurements.

As reviewer Direwolf noted: "The precision made collets are designed for standard bullet diameters from .17 to .45. In all there are 13 different sizes. The size is clearly marked on each collet."

While some users have mentioned that the markings on lighter-colored inserts can be difficult to read in certain lighting conditions, the overall construction quality is exceptional for the price point. One user suggested that engraved rather than printed markings would improve durability, which is a valid point for consideration in future iterations.

Practical Storage Solution

The included metal storage tin with custom-cut foam insert has received particular praise in user reviews. The organization it provides isn't just convenient — it helps protect your investment and prevents lost components. As one reviewer succinctly put it: "I chose this over the Hornady Headspace Comparator solely on the packaging."

This attention to the complete package demonstrates the manufacturer's understanding of reloaders' needs. Small components can easily go missing on a busy reloading bench, and the secure storage solution addresses this common frustration.

The foam insert is precisely cut to hold each component securely, preventing movement during transport or storage. The metal tin itself is compact enough to fit in a drawer or toolbox without taking up excessive space.

Real-World Benefits for Reloaders

The technical features of the AltitudeCraft Bullet Comparator Kit are impressive, but what matters most is how these translate to real benefits for reloaders. After extensive use and discussions with other shooters, several key advantages have become clear.

Drastically Improved Load Consistency

By measuring to the ogive instead of the bullet tip, you'll achieve significantly more consistent ammunition. According to precision shooting experts, variations in bullet seating depth relative to the ogive can affect muzzle velocity by up to 50 fps, which dramatically impacts accuracy at longer ranges.

As reviewer Rsscully explained: "For years I have reloaded using dial calipers as my standard to measure COL. The problem I always ran into was getting consistent measurements, especially with cheaper bulk bullets. Sometimes two bullets side by side can have lengths varying by a few thousandths. When trying to repeat a COL measurement and a consistent seating depth, this can be frustrating."

Enhanced Accuracy Through Optimal Bullet Jump

With precise ogive measurements, you can fine-tune the "jump" your bullet makes before engaging the rifling. This level of control isn't possible with standard caliper measurements and can significantly improve accuracy.

Many competitive shooters report reducing group sizes by 25-50% simply by finding and consistently loading to the optimal bullet jump for their specific rifle. The AltitudeCraft kit makes this process accessible and repeatable.

One reviewer noted: "Reducing bullet jump without getting into an over-pressure situation should increase accuracy greatly." This highlights the dual benefits of both accuracy and safety that come from precise measurements.

Multi-Caliber Versatility Without Additional Investment

For reloaders who work with multiple calibers, the comprehensive nature of this kit eliminates the need to purchase additional components as you expand your reloading repertoire. As one user put it, "They covered all calibers."

This versatility represents significant cost savings over time, especially compared to systems that require purchasing individual inserts for each new caliber you add to your reloading lineup.

Time Savings Through Organization

The organized storage system saves significant time when setting up for reloading sessions. Rather than hunting through drawers for the right insert, everything is immediately accessible and clearly labeled.

This might seem like a minor benefit, but over hundreds of reloading sessions, the time and frustration saved adds up considerably. As one reviewer succinctly put it: "Nice box to keep things organized and handy."

How to Use the AltitudeCraft Comparator Kit

Getting the most from the AltitudeCraft Bullet Comparator Kit requires proper setup and technique. Based on my experience and recommendations from professional reloaders, here's a step-by-step guide to using this tool effectively.

Basic Setup and Measurement

1. Select the appropriate insert for your caliber from the kit. For example, use the .308 insert for .308 Winchester, 30-06 Springfield, .300 Blackout, and similar .30 caliber cartridges.
2. Attach the comparator body to your caliper by loosening the brass thumbscrews, sliding the comparator onto the fixed jaw of your caliper, and then tightening securely. Ensure it's flush against the caliper jaw.
3. Insert the caliber-specific bushing into the comparator body, making sure it seats fully and securely.
4. Zero your caliper with the comparator attached. Digital calipers can be zeroed with the push of a button; dial calipers may require adjustment.
5. Place the bullet/cartridge with the base against the caliper's moving jaw and the bullet portion extending into the comparator insert.
6. Close the caliper until the bullet's ogive contacts the insert, providing a consistent measurement point.
7. Read the measurement on your caliper display, which now represents the distance from case head to ogive rather than overall length.

Advanced Techniques for Optimal Results

Once you've mastered the basic measurement process, these advanced techniques will help you achieve even greater precision:

Finding Your Rifle's Optimal Bullet Jump

To determine the ideal seating depth for your specific rifle:

1. Use a modified case with the primer pocket drilled out and a hole in the side to measure your rifle's lands
2. Seat a bullet in this modified case so it contacts the lands when chambered
3. Mark the bullet, extract, and measure using your comparator
4. Subtract 0.010"-0.020" (or your preferred jump) from this measurement
5. This becomes your target measurement for loaded rounds

Batch Sorting for Ultimate Consistency

For competition-level ammunition:

1. Measure a batch of bullets from base to ogive using the comparator
2. Sort them into groups with similar measurements (within 0.001")
3. Use these matched bullets for your most critical loads
4. This eliminates another variable that can affect accuracy

Troubleshooting Common Issues

If you encounter inconsistent readings:

• Ensure the insert is fully seated in the comparator body
• Check that the comparator is securely attached to the caliper
• Verify the bullet is straight when taking measurements
• Take multiple measurements and calculate an average
• Clean any debris from the insert that might affect measurements

What Reloaders Are Saying: Real User Experiences

The true measure of any reloading tool comes from those who use it day in and day out. The AltitudeCraft Bullet Comparator Kit has accumulated a wealth of reviews from reloaders of all experience levels. Here's what real users are saying about their experiences with this kit.

Scott T., a verified purchaser, highlighted the core benefit: "Name brand quality without name brand cost. Accurate and easy to use. Measuring to ogive to assure seating consistency is the only way to really get the accuracy you're chasing. Soft point bullets and tipped bullets vary in length by enough to throw you off if you only use OAL."

Another reviewer, Brandon, echoed this sentiment: "This kit allows for consistent measurement of all common caliber loaded rounds to ensure consistent seating depth. Using a known-good or dummy cartridge as a control, verifying seating depth is quite easy as the calipers now measure from the base to a consistent circular point around the ogive. If seated too shallow or too deep, it's easy to tell instead of 'eyeball guessing.'"

The organization and storage solution received particular praise from many users. Range Squirrel noted: "I chose this over the Hornady Headspace Comparator solely on the packaging. The design is dead nuts simple and it comes in a nice metal storage box with foam cut-outs to keep things in place."

Several reviewers conducted their own precision testing. Cody W. Colvin offered a particularly detailed assessment: "I checked the inside diameter of a few bushings to see how accurately they are made. They all fall between about 0.007" and 0.009" under nominal bullet diameter. This is pretty much spot on for the calibers between .264 and .458 but it's a bit much for the smaller calibers."

Not all feedback was entirely positive. Some users noted that the markings on lighter-colored inserts could be hard to read in certain lighting. One customer suggested: "I wish the cal. numbers were engraved instead of painted on. The lighter colored ones are hard to read unless the light is just right, but that isn't a big deal."

Several reviewers mentioned quality control issues with early versions of the kit, but also noted that the manufacturer was extremely responsive. Mark Twain shared: "AltitudeCraft has responded with EXCELLENT customer support. Very eager to fix the issue, sent replacement at no cost... [They] said to look for a laser-engraved lot-code in the bottom of the top lid. These ones are later production and better quality."

Overall, the sentiment from users is overwhelmingly positive, with most praising the kit's value, quality, and comprehensive nature. The few criticisms centered on minor issues that didn't significantly impact functionality.

Final Verdict: Is It Worth Your Investment?

After thoroughly examining the AltitudeCraft Bullet Comparator Kit, analyzing user feedback, and comparing it to competing products, I can confidently assess its value for different types of reloaders.

For Precision Rifle Competitors

If you're competing in precision rifle matches where every fraction of an inch matters, this kit is absolutely worth the investment. The ability to precisely control bullet seating depth relative to the ogive will have a meaningful impact on your accuracy. While the most demanding benchrest shooters might eventually upgrade to higher-end tools like the Sinclair systems, the AltitudeCraft kit provides 90% of the benefits at a fraction of the cost.

The comprehensive nature of the kit means you'll be prepared for virtually any caliber you might compete with, from .224 Valkyrie to 6.5 Creedmoor and beyond.

For Hunting Ammunition Reloaders

Hunters who reload to save money and improve accuracy will find exceptional value in this kit. The improved consistency it enables will translate to more ethical harvests through better accuracy. The ability to work with multiple calibers is particularly valuable for hunters who pursue different game with various firearms.

The durable construction and organized storage also make it well-suited to the sometimes rough handling of hunting camp environments.

For New Reloaders

For those just beginning their reloading journey, the AltitudeCraft kit represents an outstanding value. Rather than purchasing individual comparator inserts as your caliber collection grows, you'll have a comprehensive set from the start. The educational benefit alone is significant — you'll learn proper measurement techniques that will serve you throughout your reloading career.

The included storage solution also helps establish good organizational habits from the beginning, a crucial aspect of safe and effective reloading.

Considerations Before Purchase

While the AltitudeCraft kit earns a strong recommendation, there are a few considerations to keep in mind:

• The aluminum construction, while durable for normal use, may not hold up to decades of heavy use as well as stainless steel versions (which cost significantly more)
• The markings on lighter-colored inserts can be difficult to read in certain lighting conditions
• For the smallest calibers (.17, .20), the tolerances may be slightly oversized according to some precision measurements

These minor caveats aside, the AltitudeCraft Bullet Comparator Kit offers exceptional value and performance. For the vast majority of reloaders, it represents the ideal balance of quality, versatility, and affordability.

As reviewer Jeff B. succinctly put it: "For the price, it would be difficult to beat this bullet length comparator set... I don't know how you could do better. This bullet comparator set is a good value and I definitely recommend it."

In the final analysis, this kit earns a solid 4.7 out of 5 stars and a strong recommendation for reloaders at all experience levels.

Frequently Asked Questions

In the world of precision reloading, the AltitudeCraft Bullet Comparator Kit stands as a testament to the principle that high-quality tools don't have to come with premium price tags. With its comprehensive insert selection, thoughtful design, and durable construction, it has rightfully earned its place on reloading benches alongside established names like RCBS reloading tools.

Whether you're a competitive shooter seeking that extra edge, a hunter looking for more consistent ammunition, or a new reloader building your toolkit, the AltitudeCraft comparator kit delivers exceptional value and performance. Your pursuit of precision has a new ally — one that won't break the bank while helping you achieve the accuracy you've been chasing.