Whidden Gunworks Shoulder Bump Gauge .420
Lowest Listed Price
$23.99
MSRP
$23.99
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Updated
Aug 26, 2026
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Specifications
Brand
MPN
SBG-0-0-000420-016
Description
The Whidden Gunworks shoulder bump gauge enables you to adjust your sizing die to the desired measurement. The bump gauge is attached to your calipers with a set screw and determines the measurement from the base to the shoulder of the case.
