Hornady Lock-N-Load Bullet Comparator Anvil Base Kit – Precision Reloading Tool for Accurate Measurements
- Compatible With:
- Lock-N-Load Gauges
- Function:
- Measure Cases
If you're serious about handload consistency, the Hornady Lock-N-Load Bullet Comparator Anvil Base Kit is a precision reloading accessory designed to make your measurements faster and more reliable. This anvil base works with the Hornady Lock-N-Load Headspace Comparator system, giving you a stable platform for taking accurate ogive and headspace measurements on ammunition components. Whether you're developing a new load or verifying case dimensions, a solid measurement setup pays dividends in accuracy and confidence downrange.
The anvil base provides a large, flat surface where case heads and bullets rest during measurement—eliminating the guesswork that comes from hand-holding components against a caliper blade. This is especially valuable if you're working with precision rifle loads where variations in bullet seating or case length can throw off your ballistics. The Hornady system lets you use a standard digital or dial caliper alongside the comparator, making it an economical way to expand your reloading bench capabilities without buying specialized instruments.
Setup is straightforward: the anvil attaches to the opposing blade of your caliper, creating a stable reference surface that pairs with the Hornady Lock-N-Load Headspace Comparator. The kit-format package gives you everything you need to start taking meaningful measurements immediately. For handloaders focused on repeatability and precision—whether you're loading for a long-range rifle, competition loads, or hunting ammunition—this tool helps you dial in your dimensions with confidence.
Key Features
- Large, stable surface area for resting case heads and bullets during measurement
- Works with Hornady Lock-N-Load Headspace Comparator system
- Attaches to caliper blade for convenient setup
- Designed for accurate ogive and headspace measurements
- Enables use of standard digital or dial calipers
Frequently Asked Questions
What caliper do I need to use this anvil base?
The anvil base attaches to the opposing blade of a standard caliper—either digital or dial format. You'll pair it with your Hornady Lock-N-Load Headspace Comparator to create a complete measurement setup.
Does this kit include a Headspace Comparator?
This is the Anvil Base Kit. Verify your order contents, as the comparator system may be sold separately depending on the kit configuration.
What measurements can I take with this tool?
The anvil base enables you to accurately measure ogive (bullet profile) and headspace dimensions on your ammunition components, giving you precise control over your handload assembly.
Is this suitable for precision rifle reloading?
Yes. The stable measurement surface makes it well-suited for precision handloading where consistency in bullet seating and case dimensions directly affects accuracy.

