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Lee Precision

LEE 90037 BULLET SIZING KIT .308'' DIAMETER

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

Sizes Cast

Bullets for reloading use

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
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SKU: 90037-734307900373

Overview

This kit is designed for handloaders who need to size cast bullets and seat or crimp gas checks as part of a reloading setup. It fits standard 7/8x14 thread reloading presses, but it is not a complete standalone solution and requires Lee Liquid Alox and a reloading press, both sold separately. If used on the Automatic Processing Press, a separate catch container is needed. For load data, consult your reloading manual or the powder manufacturer’s website.

Why Hunters Choose the Lee Precision

Sizes Cast

Bullets for .308" diameter applications

Also Seats

Crimps gas checks during use

Fits Any

Standard 7/8x14 thread reloading press

Compatible Lee

Lee Automatic Processing Press with

Clear Accessory

Requirements are stated: Lee Liquid

Key Features

  • Sizes cast bullets for reloading use
  • Seats and crimps gas checks
  • Fits standard 7/8x14 thread reloading presses
  • Requires Lee Liquid Alox and a reloading press
  • APP users must supply their own catch container

Best Used For

  • Cast bullet reloaders needing a .308-inch sizing kit for standard 7/8x14 presses
  • Handloaders who already use Lee Liquid Alox and a compatible reloading press
  • Users sizing cast bullets and seating or crimping gas checks during reloading
  • APP press owners prepared to provide their own catch container for operation

Specifications

Automatic Processing Press App Catch Container RequiredYes
Bullet Diameter.308''
Crimps Gas ChecksYes
Fits Standard Thread Size7/8x14
Load Data GuidanceCheck your reloading manual or go to a powder manufacturer's website
Requires Lee Liquid AloxYes
Requires Reloading PressYes
Seats Gas ChecksYes
Sizes Cast BulletsYes

Pros

  • Sizes cast bullets for .308" diameter applications.
  • Also seats and crimps gas checks during use.
  • Fits any standard 7/8x14 thread reloading press.
  • Compatible with Lee Automatic Processing Press with user-supplied catch container.
  • Clear accessory requirements are stated: Lee Liquid Alox and reloading press sold separately.

Considerations & Trade-offs

  • Requires a separate Lee Liquid Alox and a compatible reloading press to use, so it is not a standalone sizing solution.
  • If used on the Automatic Processing Press (APP), a catch container must be supplied by the customer.
  • The kit is specific to .308" diameter cast bullets, so it is intended for that bullet size rather than general-purpose use.
  • Load data is not included; the product directs users to a reloading manual or powder manufacturer website for that information.

Suggested Comparisons

  • Bullet sizing dies and kits
  • 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 does the Lee 90037 Bullet Sizing Kit do?

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 kit?

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

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

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

Does the product listing provide load data or caliber options beyond .308?

The listing does not provide load data, and it specifically identifies this kit as .308" diameter. It also directs users to check a reloading manual or the powder manufacturer’s website for load data.