Mark K
Active Member
I was doing some 9mm reloading today, and noticed something about some range-pickup casings that I'd deprimed and cleaned several years ago. This may be common knowledge, but...
First, some of the casings have cannelures around the middle. All apparently Speer. The ones with the cannelures have dots before and after the FC:
There is also other .FC. brass (dots before and after the FC) that doesn't have the cannelures:
I understand the cannelures in the casings are just there to prevent bullet setback...?
Second, there's some NATO- and WMA-headstamped brass. I can't find the WMA headstamp referenced anywhere. The primer pockets all appear to have been crimped:
I don't remember any particular difficulty depriming them, but seating new primers today was a bit "crunchy." They all seated properly.
I know that military rifle cartridges today generally have crimped primers for use in select-fire rifles or machine guns. But there aren't many 9mm submachine guns in use today within NATO. I know the Germans used to use Uzis, but that was years ago. Maybe for the MP5...?
First, some of the casings have cannelures around the middle. All apparently Speer. The ones with the cannelures have dots before and after the FC:
There is also other .FC. brass (dots before and after the FC) that doesn't have the cannelures:
I understand the cannelures in the casings are just there to prevent bullet setback...?
Second, there's some NATO- and WMA-headstamped brass. I can't find the WMA headstamp referenced anywhere. The primer pockets all appear to have been crimped:
I don't remember any particular difficulty depriming them, but seating new primers today was a bit "crunchy." They all seated properly.
I know that military rifle cartridges today generally have crimped primers for use in select-fire rifles or machine guns. But there aren't many 9mm submachine guns in use today within NATO. I know the Germans used to use Uzis, but that was years ago. Maybe for the MP5...?