8mm IHMSA - Graybeard Outdoors
 
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post #1 of 10 (permalink) Old 07-21-2011, 12:29 PM Thread Starter
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Default 8mm IHMSA

I am looking for load data for the 8 IHMSA. One book I have says it used 308 brass necked up and trimmed. Another source says it is a 300 Savage necked up with a 38* shoulder.
I would like to know the parent case, load data with heavy (200gr +) bullets and where to find dies.
If anybody has a used set of dies that they want to part with - that would be great!!

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post #2 of 10 (permalink) Old 07-21-2011, 01:19 PM
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Default Re: 8mm IHMSA

Check with Bullberry barrels




If ya can see it ya can hit it !
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post #3 of 10 (permalink) Old 07-25-2011, 10:35 AM
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Default Re: 8mm IHMSA

.300 Savage brass is the easiest to use, but .308 Win. brass can also be used 7 trimmed a bit. The IHMSA published a loading book about 30 years ago. The Gun Digest Book of Metallic Silhouette Shooting, Ed. 1 may also have some loads.
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post #4 of 10 (permalink) Old 07-25-2011, 10:42 AM
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Default Re: 8mm IHMSA

If you can find a copy of SHOOTING STEEL it might have some load data.




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post #5 of 10 (permalink) Old 07-25-2011, 12:14 PM Thread Starter
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Default Re: 8mm IHMSA

I've got Metallic Sil Shooting 2nd Edition and it doesn't have any data.

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post #6 of 10 (permalink) Old 07-25-2011, 12:15 PM
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Default Re: 8mm IHMSA

I was thinking shooting steel might




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post #7 of 10 (permalink) Old 07-26-2011, 01:20 PM
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Default Re: 8mm IHMSA

Contact Wichita, they developed the IHMSA line of chamberings using the 220 Russian. See their website below.


http://www.wichitaarms.com/history.asp


Steve W.
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post #8 of 10 (permalink) Old 07-29-2011, 03:45 PM
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Default Re: 8mm IHMSA

I found imformation on the 8 mm international. I'm thinking its the same but there were alot of wildcats back then. The 8 mm int as were the other IMHSA rounds were by Elgin Gates and built by him and other gunsmiths back in 75 -80's before any company picked them up.




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post #9 of 10 (permalink) Old 07-31-2011, 06:25 PM Thread Starter
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Default Re: 8mm IHMSA

SHOOTALL PM inbound

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post #10 of 10 (permalink) Old 09-10-2014, 10:27 PM Thread Starter
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Default Re: 8mm IHMSA

Found data in Wildcat Cartridges Vol II

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