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Lyman Flash Hole Uniformer 7777760
$20.95 $20.89
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Great Tool for Internal Case Optimisation

by robncar1, Verified Owner from OK, United States Written on October 17, 2016
We've got this tool set for .223/5.56 cases to remove internal burrs at the primer hole. Once you have your "once-fired" cases trimmed to length, use this tool to lightly chamfer the inside of the primer hole to attempt to provide an even primer ignition; thus increasing similarity between rounds, improving accuracy. Will work for other calibers too as the length is adjustable.
Would recommend: Yes
Was it helpful to you? Yes | No

Lyman flash hole uniformed

by Legacy Reviewer, Verified Owner from PA, United States Written on July 26, 2012
Item comes with plastic handle not wood, much nicer to hold.
Pros: Quality tool.
Would recommend: Yes
1 of 3 found the following review helpful.
Was it helpful to you? Yes | No
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Last updated 2025-11-12 UTC.