• Lyman 421 Top Punch .45 Caliber Bullet Sizing Tool
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Lyman

Lyman 421 Top Punch .45 Caliber Bullet Sizing Tool

Lyman 421 Top Punch .45 Caliber Bullet Sizing Tool

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The Lyman 421 Top Punch is a precision-machined reloading tool built to fit bullet nose shapes correctly and prevent deformation during sizing. It is compatible with a range of .45 caliber bullet molds spanning 225 to 500 grains, including #384-168, #670-333, #632-793, #567-421, and #471-527.

Designed to work with the Lyman 450/4500 lube sizer and the RCBS Lube-a-Matic-2, this top punch supports consistent bullet sizing across multiple grain weights and bullet types in .45 caliber applications.

Key Features

Brand Lyman
Model 421
Product Type Top Punch
Caliber .45 Caliber
Compatible Bullet Weight Range 225-500 Grain
Compatible Molds #384-168, #670-333, #632-793, #567-421, #471-527
Compatible Sizers Lyman 450/4500 Lube Sizer, RCBS Lube-a-Matic-2
Material Steel
Condition New

Compatibility

  • Compatible with .45 caliber bullet molds in the 225-500 grain range
  • Fits molds #384-168, #670-333, #632-793, #567-421, and #471-527
  • Works with the Lyman 450/4500 lube sizer and the RCBS Lube-a-Matic-2

Frequently asked questions

Which bullet molds is the Lyman 421 Top Punch compatible with?

It works with molds #384-168, #670-333, #632-793, #567-421, and #471-527, covering .45 caliber bullets from 225 to 500 grains.

Which lube sizers does this top punch fit?

It fits the Lyman 450/4500 lube sizer and the RCBS Lube-a-Matic-2.

What is the Lyman 421 Top Punch used for?

It is used during bullet sizing to fit the bullet nose shape correctly and prevent deformation.

What is the manufacturer SKU for this top punch?

The manufacturer SKU is 2786729.

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