.300 HAM'R JIG

.300 HAM'R JIG

thingiverse

This is a jig you can put in a mini chop saw from Harbor Freight. It is used to cut the neck on .223 Rem / 5.56 brass. This little bit of removal on the neck helps in the sizing operation to reduce the chance of the neck splitting during forming of the brass to the .30 cal neck.

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