100 grain bullets for the 300 BLK

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

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Deaf Smith
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100 grain bullets for the 300 BLK

Post by Deaf Smith »

I reload my 7 inch barrel BLK pistol. I use Lil 'gun and H110. Normally 110gr and 125gr.

Is there any serious HP/SP 100 grain spitzer made I can reload with?

Trying to get 2200 fps or more from this little PWD of mine.

Thanks!
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plant.one
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Re: 100 grain bullets for the 300 BLK

Post by plant.one »

https://lehighdefense.com/308-diameter- ... count.html

that might help you get where youre trying to go.
Reloading info shared is based on experiences w/ my guns. Be safe and work up your loads from published data. Web data may not be accurate/safe.
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BJK
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Re: 100 grain bullets for the 300 BLK

Post by BJK »

Not 100 grain, 85 grain. I use them in my 10" for 2300 fps. Maybe I could get more IDK. I got 2300ish fps and good accuracy with WW296 (aka H110 I believe) and called it good.

Correction, I just checked my load data notes. I did go a bit higher in velocity but backed it down to what I now load.

https://makerbullets.com/proddetail.php?prod=30085BLK

I've ordered from Maker a few times. Each time what I ordered was "out of stock". Each time the order was filled within 24 hours.
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dellet
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Re: 100 grain bullets for the 300 BLK

Post by dellet »

Deaf Smith wrote: Sun Mar 03, 2024 6:17 pm I reload my 7 inch barrel BLK pistol. I use Lil 'gun and H110. Normally 110gr and 125gr.

Is there any serious HP/SP 100 grain spitzer made I can reload with?

Trying to get 2200 fps or more from this little PWD of mine.

Thanks!
First question is why do you want the velocity to be 2200 fps?
It’s kind of an arbitrary number.

You should be able to get 2100 fps+ from a 110 grain bullet, 7” barrel easily. Going to a 100 grain bullet to get 2200 fps has no ballistic advantage, and probably more than one disadvantage.

The bullet energy will be the same at the muzzle, but the range will be longer for the heavier bullet 9/10 times.

There are a few custom made 100 grain bullets available, Cutting Edge, Hammer are the first that come to mind..

If you have a fast twist barrel like a 1/5, you can run into some other problems above 2100 fps, so something to be aware of.
300 Blackout, not just for sub-sonics.
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