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Drilled primer pocket holes.

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WesG
Lenny53
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Drilled primer pocket holes. Empty Drilled primer pocket holes.

Post by Lenny53 5/1/2021, 9:00 am

I was going through my bucket of .45ACP brass that I collected over years at the range and noticed that some of the primer pocket holes are drilled to a bigger diameter. (1) Why is it done? Can I use it with my regular brass?
Any thoughts?

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Post by WesG 5/1/2021, 10:44 am

Might have been done to shoot wax bullets. I wouldn't use them for regular loads.

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Post by james r chapman 5/1/2021, 10:47 am

I used to drill out primer holes for .32 blanks for starter pistols.
prevented the primer from setting back binding up the cylinder.
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Post by jglenn21 5/1/2021, 5:20 pm

if they are Winchester brass the factory actually did that a while back..,something to do with the "green" primers of the day I believe.. they were not the NT brass from Win. but rather the ones marked "Winchester". same as the new stuff that has the more normal hole size...
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Post by zanemoseley 5/1/2021, 8:09 pm

I've seen smaller holes on Lapua rifle brass, so small I had to modify a Lee decapping pin to even fit through. Figured might have a small accuracy improvement or something. Not sure about a larger hole.

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Post by WesG 5/1/2021, 8:33 pm

The 220 Russian brass the PPC was made from had small flash holes. So special dies and such. The 6BR Lapua brass I have looks smaller than normal, but I haven't had any issues with it.

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Post by Lenny53 5/3/2021, 6:01 pm

It looks like it is not a factory drill. The holes are not perfect, sometimes off the center and diameter is not consistent. So for some reason whoever was loading the ammo drilled it

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Post by Aprilian 5/4/2021, 10:50 am

I bought some range brass and the Federal brass had 3 different size holes (from factory).   I normalized them to the larger size for consistency.
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