250 Hornady A Tip, or what happens when the bullet is longer than min COL?

Discussion about rifles in 300 AAC BLACKOUT (7.62x35mm), hosted by the creator of the cartridge.

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bangbangping
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Re: 250 Hornady A Tip, or what happens when the bullet is longer than min COL?

Post by bangbangping »

Curious how you're seating the bullet. When you say "max charge by capacity," does that mean the space around the bullet is filled?
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dellet
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Re: 250 Hornady A Tip, or what happens when the bullet is longer than min COL?

Post by dellet »

bangbangping wrote: Sat Feb 22, 2020 9:47 am Curious how you're seating the bullet. When you say "max charge by capacity," does that mean the space around the bullet is filled?
Yes, with out getting real creative, I can get no more powder in the case and seat the bullet at 2.260”. Some powder is too bulky to fit between Side of case and bullet. Others I have tried seating the bulge partially then finishing in a hand press upside down. No real difference.
300 Blackout, not just for sub-sonics.
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Bob the nailer
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Re: 250 Hornady A Tip, or what happens when the bullet is longer than min COL?

Post by Bob the nailer »

What about IMR Red? I have used it with a Domolite special 265grn.
As usual dellet interesting work. We should talk about front Ignition some time.
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dellet
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Re: 250 Hornady A Tip, or what happens when the bullet is longer than min COL?

Post by dellet »

Bob the nailer wrote: Sun Jan 24, 2021 1:17 pm What about IMR Red? I have used it with a Domolite special 265grn.
As usual dellet interesting work. We should talk about front Ignition some time.
Not a powder I’m familiar with. I know they are supposed to be close to the Dot powders, but not sure about density.

So far #5 has been pretty good for a hand fed magazine, I can get over 6.5 grains, but it’s pretty high pressure. The project kind of got put on the back burner. I should pick it back up, just a few other projects seemed more fun.
300 Blackout, not just for sub-sonics.
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