Carbide end mill for the GMB SpeedTrim
Description
Carbide end mill for the GMB SpeedTrim case trimmer.
If you want to convert .223/5,56 brass to .300 AAC Blackout we recommend using our boring bar with the carbide insert.
Carbide end mill for the GMB SpeedTrim case trimmer.
If you want to convert .223/5,56 brass to .300 AAC Blackout we recommend using our boring bar with the carbide insert.
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