
Hornady B234 Lock-N-Load Comparator Set of 6 All Calibers
$32.39
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Unlock Precision: The Hornady Lock-N-Load Bullet Comparator Set – Essential for Advanced Reloading
Are you a dedicated handloader striving for the ultimate in ammunition consistency and rifle accuracy? Do you frequently ask, "How can I achieve tighter shot groups?" or "What's the secret to developing truly match-grade ammunition?" If so, the Hornady Lock-N-Load Bullet Comparator Set (model B234) is an indispensable tool you need to integrate into your reloading bench. This specialized set is meticulously engineered to provide unparalleled precision in measuring bullet seating depth, a critical factor often overlooked when aiming for peak performance from your firearms.
The Pursuit of Perfection: Why Every Reload Matters
In the world of shooting sports, hunting, and precision marksmanship, the difference between an acceptable shot and a truly exceptional one often boils down to the minute details of your ammunition. While factors like consistent powder charges, reliable primers, and high-quality brass are fundamental, the precise seating depth of your bullet is equally, if not more, impactful on your rifle's accuracy and the overall consistency of your reloads.
Many reloaders initially focus on Cartridge Overall Length (COAL) as their primary measurement. However, COAL can be misleading because the tips of bullets vary slightly, even within the same box. A tiny imperfection in a bullet's tip can lead to significant variations in COAL, despite the bullet being seated to the exact same depth relative to its ogive (the curved part of the bullet that first contacts the rifle's lands). This is where the Hornady Lock-N-Load Bullet Comparator B234 revolutionizes your approach to reloading.
Beyond COAL: Understanding the Critical Role of Base-to-Ogive (CBTO) Measurement
For serious reloaders, the measurement that truly matters is Cartridge Base To Ogive (CBTO). This measurement captures the distance from the cartridge case head to a specific point on the bullet's ogive – the tangent point where the bullet's curve begins to straighten. Why is this so crucial? Because the ogive is the part of the bullet that engages with the rifling lands in your barrel. Consistent engagement translates directly to consistent ignition, pressure, and, ultimately, consistent muzzle velocity and improved accuracy.
Variations in CBTO can lead to a host of problems:
- Inconsistent "Bullet Jump": This is the free travel a bullet experiences before it engages the rifling. Too much or too little, or inconsistent jump, can negatively impact pressure, velocity, and accuracy.
- Varying Chamber Pressures: Minor changes in seating depth can significantly alter chamber pressure, affecting muzzle velocity and potentially creating unsafe conditions if pressures become too high.
- Degraded Accuracy: Inconsistent bullet engagement with the rifling leads to inconsistent barrel harmonics and erratic bullet flight, resulting in larger group sizes.
The Hornady Lock-N-Load Bullet Comparator B234 directly addresses these issues by allowing reloaders to measure the CBTO with exceptional precision, enabling them to:
- Fine-tune bullet seating depth to find the "sweet spot" for their specific rifle and load combination.
- Ensure every round in a batch is identical in terms of its critical engagement point.
- Troubleshoot accuracy problems by eliminating seating depth as a variable.
Introducing the Hornady Lock-N-Load Bullet Comparator Set B234
The Hornady Lock-N-Load Bullet Comparator Set, model B234, is designed to bring laboratory-grade precision to your reloading bench. This set includes six precisely machined inserts, each corresponding to a common bullet caliber, allowing you to measure the CBTO across a wide range of popular rifle calibers. The inserts provided in this essential set are tailored for:
- 0.224" (e.g., .223 Remington, 5.56 NATO)
- 0.243" (e.g., 6mm Creedmoor, .243 Winchester)
- 0.257" (e.g., .25-06 Remington)
- 0.264" (e.g., 6.5 Creedmoor, .260 Remington)
- 0.284" (e.g., 7mm-08 Remington, .280 Remington)
- 0.308" (e.g., .308 Winchester, .30-06 Springfield)
These specific calibers cover a vast majority of the most popular rifle cartridges used by hunters, sport shooters, and competitive marksmen today, making this set a fundamental investment for virtually any rifle reloader.
How the Hornady Comparator Elevates Your Reloading Process
The core brilliance of the Hornady Bullet Comparator lies in its simplicity and effectiveness. It attaches effortlessly to your caliper, transforming a standard measuring tool into a highly precise CBTO gauge. Here’s how it works and the significant advantages it offers:
- Direct Ogive Measurement: Unlike measuring to the bullet tip, the comparator's insert cradles the bullet's ogive, providing a consistent reference point. This eliminates variations caused by irregularities in bullet tips, ensuring truly repeatable measurements.
- The Lock-N-Load System Integration: As part of Hornady's innovative Lock-N-Load system, these comparators are designed for quick and easy attachment and detachment from your measuring tools. This seamless integration means less setup time and more efficient reloading. The system allows you to effortlessly switch between different caliber inserts or even other Lock-N-Load accessories like the Headspace Comparator, enhancing the versatility of your existing tools.
- Load Development Optimization: One of the primary uses of this comparator is during load development. By systematically varying seating depth and measuring each change with the comparator, you can identify the optimal "jump" distance for your rifle, leading to improved accuracy and often higher velocities without exceeding safe pressure limits. This process helps you find the unique seating depth where your rifle prefers to shoot, minimizing group sizes.
- Ensuring Batch Consistency: Once you've found your ideal CBTO, the comparator allows you to consistently reproduce that exact seating depth for every round in your batch. This uniformity is crucial for competitive shooting, long-range engagements, or any scenario where identical performance from every round is paramount.
- Troubleshooting Accuracy Issues: If you're experiencing unexpected accuracy problems, using the comparator can help diagnose if inconsistent bullet seating depth is the culprit. Eliminating this variable allows you to focus on other factors like powder charge, concentricity, or barrel condition.
- Maximizing Bullet Performance: Different bullet designs and weights often perform optimally at specific seating depths. The Hornady comparator enables you to experiment and find the ideal seating depth for a wide array of bullets, from varmint rounds to heavy, high-BC projectiles, ensuring each bullet type delivers its full potential.
Compatibility and Usage: A Seamless Addition to Your Bench
While the Hornady Bullet Comparators are primarily optimized for measuring bullet base-to-ogive, they can also be used for cartridge base-to-ogive measurements. However, due to the vast array of cartridge designs, Hornady recommends using their Precision Measurement Station comparators for specific cartridges where the case mouth might bottom out on the inserts included in this set. This nuanced advice highlights Hornady's commitment to providing tools optimized for specific, precise applications. For most rifle cartridge CBTO measurements, especially those using the listed calibers, this set performs flawlessly.
To use the Hornady Lock-N-Load Bullet Comparator B234, you simply:
- Attach the comparator body to your digital or dial caliper.
- Select the appropriate caliber insert for the bullet or cartridge you are measuring and snap it into the comparator body.
- Zero your caliper with the comparator attached.
- Place the bullet or cartridge into the insert and close the caliper jaws until the ogive rests firmly against the comparator's internal radius.
- Read the precise CBTO measurement directly from your caliper.
This straightforward process yields highly accurate, repeatable data that is invaluable for fine-tuning your loads.
Hornady: A Legacy of Precision and Innovation
Hornady has been a trusted name in the shooting and reloading industry for decades, known for its relentless pursuit of quality, innovation, and performance. From their groundbreaking bullet designs to their state-of-the-art reloading equipment, Hornady consistently delivers products that empower shooters and reloaders to achieve their best. The Lock-N-Load system itself is a testament to their commitment to efficiency and precision, making complex tasks simpler and more repeatable. When you choose Hornady, you're investing in a brand with a proven track record of helping enthusiasts and professionals alike elevate their shooting experience. All authentic Hornady products, including this essential comparator set, are available at trusted retailers like DEGuns.com, ensuring you receive genuine quality.
Is the Hornady Lock-N-Load Bullet Comparator Set (B234) Right for You?
If your goal is to push the boundaries of accuracy, reduce group sizes, and gain absolute confidence in your handloaded ammunition, then the Hornady Lock-N-Load Bullet Comparator Set is not just a useful accessory – it’s an essential investment. It solves the critical problem of inconsistent bullet seating depth, providing the data needed to develop superior loads that perform flawlessly. Whether you're a competitive shooter chasing fractions of an inch, a dedicated hunter seeking ultimate terminal performance, or simply a reloader who demands the best from their equipment and ammunition, this comparator set will become one of the most valued tools on your bench. It’s an investment in precision, consistency, and ultimately, better shooting.
Hornady Lock-N-Load Bullet Comparator Set B234: Key Specifications
| Feature | Description | Detail |
|---|---|---|
| Brand | Manufacturer | Hornady |
| Series | Product Line | Lock-N-Load Comparator |
| Model | Specific Product Code | B234 |
| Function | Primary Purpose | Optimize Reloading Accuracy |
| Firearm Type | Designed For | Rifle Ammunition |
| Quantity | Set Contents | Set of 6 Caliber Inserts |
| Included Calibers | Specific Inserts | .224, .243, .257, .264, .284, .308 |
| Weight | Approximate Package Weight | 1 lb |
| SKU | Product Stock Keeping Unit | 77595 |
| UPC | Universal Product Code | 090255704051 |
| MPN | Manufacturer Part Number | B234 |
Specifications
Explore the specific details and characteristics
- SKU
- 77595
- UPC
- 090255704051
- MPN
- B234







