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Hornady

HORNADY AB1 LOCK-N-LOAD COMPARATOR ANVIL BASE

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

Hornady Lock-n-load

Anvil Base Kit for reloading

Used Hornady

Lock-N-Load Bullet Comparator, sold separately

Measures From

Base of the loaded round

Attaches Quickly

Easily to any caliper in

Does Not

Accept inserts

$18.99
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SKU: AB1-090255704396

Overview

Built for reloaders who want a straightforward way to check ammunition consistency, this anvil base works with the Hornady Lock-N-Load Bullet Comparator to measure from the base of the loaded round to the ogive. It attaches to a caliper quickly, making it a practical bench tool for routine cartridge measurement and load development. The base does not accept inserts, so it is intended specifically as part of the Hornady comparator setup rather than as a standalone measuring accessory. For shooters focused on repeatable handloads, it adds a simple, dedicated method for comparing loaded rounds.

Why Hunters Choose the Hornady

Supports Accurate

Measurement of loaded ammunition uniformity

Measures From

Case base to bullet ogive

Attaches Quickly

Easily to any caliper

Multi-caliber Compatible

Hornady Lock-N-Load gauges

Red Finish

For easy identification on the

Key Features

  • Hornady Lock-N-Load Anvil Base Kit for reloading measurements
  • Used with the Hornady Lock-N-Load Bullet Comparator, sold separately
  • Measures from the base of the loaded round to the bullet ogive
  • Attaches quickly and easily to any caliper in seconds
  • Does not accept inserts
  • Multi-caliber compatible with Hornady Lock-N-Load gauges
  • Finished in red

Best Used For

  • Reloaders measuring loaded ammunition with a Hornady Lock-N-Load Bullet Comparator
  • Users who want a caliper-mounted anvil base for quick measurement setup
  • Handloaders checking round uniformity from case base to bullet ogive
  • Shooters using Hornady Lock-N-Load gauges across multiple calibers

Specifications

Accepts InsertsNo
Attachment MethodQuickly and easily attaches to any caliper in seconds
Blade FinishRed
CompatibilityMulti-Caliber
Compatible WithHornady Lock-N-Load Gauges
Manufacturer NoAB1
Measurement RangeBase of the loaded round to the ogive of the bullet
Measurement UseMeasures cases
Product TypeAnvil Base Kit

Pros

  • Supports accurate measurement of loaded ammunition uniformity
  • Measures from case base to bullet ogive with compatible comparator
  • Attaches quickly and easily to any caliper
  • Multi-caliber compatible with Hornady Lock-N-Load gauges
  • Red finish for easy identification on the bench

Considerations & Trade-offs

  • Requires the Hornady Lock-N-Load Bullet Comparator, which is sold separately, so this is an accessory rather than a complete measuring setup.
  • The base does not accept inserts, so it is limited to its specific role in the comparator system.
  • It is described as multi-caliber compatible with Hornady Lock-N-Load gauges, but it is still designed for use with calipers and the matching comparator system.
  • The product is focused on measuring from the base of the loaded round to the ogive, so it is not a general-purpose ammunition measuring tool.

Suggested Comparisons

  • Reloading caliper accessories
  • Bullet comparators
  • Ammunition measurement tools
  • Case gauging tools

Suggested Accessories

  • Caliper
  • Reloading dies
  • Case gauge
  • Reloading bench tools

Frequently Asked Questions

What is the Hornady AB1 Lock-N-Load Comparator Anvil Base used for?

It is used with the Hornady Lock-N-Load Bullet Comparator, sold separately, to help measure ammunition uniformity from the base of the loaded round to the ogive of the bullet.

Does this anvil base work by itself?

No. The source data says it is used with the Hornady Lock-N-Load Bullet Comparator, which is sold separately.

Does the AB1 accept inserts?

No. The notes state that this base does not accept inserts.

How does the anvil base attach to a caliper?

It quickly and easily attaches to any caliper in seconds, according to the product description.

What product details are provided for this kit?

The listed details include Manufacturer No. AB1, Hornady Lock-N-Load Anvil Base Kit, multi-caliber compatibility, compatibility with Hornady Lock-N-Load gauges, and a red finish.