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6.5x50mm Service Loads - Read the fine print

 
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Smokey



Joined: Sep 07 2006
Posts: 60
PostPosted: Sun Oct 01, 2006 3:55 pm    Post subject: 6.5x50mm Service Loads - Read the fine print Reply with quote
Everything I can find gives a 139gr bullet at 2500 fps.
In my Lyman manual, that's right at maximum for IMR4320, and beyond maximum (or case capacity) for every other propellant.

As it turns out, the Lyman data uses a carbine with a 19 inch barrel. So velocities are 150 to 200 fps lower than with a long rifle.

I'm sitting in the corner with a bag over my head. Embarassed

Last edited by Smokey on Mon Oct 09, 2006 3:34 pm; edited 1 time in total
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smzeigler



Joined: Aug 22 2003
Posts: 34
Location: Northern Virginia
PostPosted: Sat Oct 07, 2006 6:20 am    Post subject: 6.5mm Loads Reply with quote
Smokey,

I can't answer your question specifically. I don't recall orginal military speeds, but 2500 fps, seems fast.

With that said, I don't think I have chronographed my 6.5mm loads. I will check. I prefer using IMR 3031 or 4895 with 140gr SP or Match bullets. Let me dig into my stuff and see what I can find. I'll post my favorite loads once I dig them up.

Shannon
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