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Lee Precision

LEE 90261 BULLET SIZING KIT .278'' DIAMETER

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

Sizes Cast

A .278" diameter sizing kit

Also Seats

Crimps gas checks

Fits Standard

7/8x14 thread reloading presses

Requires Lee

Liquid Alox and a reloading

App Users

Must supply their own catch

$23.74
List Price: $24.99
You Save: $1.25 (5%)
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SKU: 90261-734307902612

Overview

This sizing kit is intended for reloaders who work with cast bullets and want a straightforward way to size them while also seating and crimping gas checks. It fits standard 7/8x14 thread reloading presses, making it a practical bench accessory for common reloading setups. Use requires Lee Liquid Alox and a reloading press, both sold separately, and APP users will need to provide their own catch container. As with any reloading component, consult your reloading manual or powder manufacturer data before use.

Why Hunters Choose the Lee Precision

Sizes Cast

Bullets for reloading applications

Also Seats

Crimps gas checks

Fits Standard

7/8x14 thread reloading presses

Compatible Lee

Lee Liquid Alox and a

Can Be

A separate catch container

Key Features

  • Sizes cast bullets with a .278" diameter sizing kit
  • Also seats and crimps gas checks
  • Fits standard 7/8x14 thread reloading presses
  • Requires Lee Liquid Alox and a reloading press, sold separately
  • APP users must supply their own catch container

Best Used For

  • Cast bullet reloaders needing a .278-inch sizing kit for standard 7/8x14 presses
  • Handloaders who also need to seat and crimp gas checks during bullet sizing
  • Users already set up with Lee Liquid Alox and a compatible reloading press
  • APP press owners prepared to provide their own catch container
  • Reloaders who follow published manuals and powder manufacturer load data

Specifications

Automatic Processing Press App Catch Container RequiredYes
Bullet Diameter.278''
Crimps Gas ChecksYes
Fits Standard Thread Size7/8x14
Load Data GuidanceCheck your reloading manual or go to a powder manufacturers website
Requires Lee Liquid AloxYes
Requires Reloading PressYes
Seats Gas ChecksYes

Pros

  • Sizes cast bullets for reloading applications
  • Also seats and crimps gas checks
  • Fits standard 7/8x14 thread reloading presses
  • Compatible with Lee Liquid Alox and a reloading press
  • Can be used on the Automatic Processing Press with a separate catch container

Considerations & Trade-offs

  • Requires a compatible 7/8x14 thread reloading press, so it is not a standalone sizing solution.
  • Lee Liquid Alox and a reloading press are required and sold separately, adding to the total setup cost.
  • If used on the Automatic Processing Press (APP), you will need to provide your own catch container.
  • The product is intended for cast bullet sizing and gas check seating/crimping, so it is purpose-built rather than a general reloading accessory.

Suggested Comparisons

  • Bullet sizing tools
  • Cast bullet reloading accessories
  • Gas check seating tools
  • Reloading press accessories

Suggested Accessories

  • Reloading press
  • Bullet lubricant
  • Catch container
  • Reloading manual

Frequently Asked Questions

What is the Lee 90261 Bullet Sizing Kit used for?

It is used to size cast bullets, and it also seats and crimps gas checks.

Will this kit fit my reloading press?

It fits any standard 7/8x14 thread reloading press.

What else do I need to use this sizing kit?

Lee Liquid Alox and a reloading press are required and are sold separately.

Can I use this on the Automatic Processing Press (APP)?

Yes, but customers using it on the APP need to supply their own catch container.

Where should I get load data for this product?

The product notes say to check your reloading manual or a powder manufacturer’s website for load data.