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Page Armory » Reloading
Archived [ARCHIVED THREAD] - 165 gr GMX load data question for 300 blk
Posted: 11/25/2014 2:14:20 PM EDT
Anyone us the 165 gr GMX with or without IMR 4227 ?

How'd they work?

The Hogdeon website is 15.8 min 16.9 max

Hornady manual is I think it was 11.6 to 14.2.

What gives with this conflict of data ?

What data do you use ?

Link Posted: 11/25/2014 10:21:46 PM EDT
[#1]
I always go with the bullet manufacturers load data.

BTW the GMX at 1600 fps will most likely not open up. In effect you have a very expensive FMJ.

Link Posted: 11/25/2014 11:07:13 PM EDT
[#2]
Well looks like it then. Very expensive for sure.

Link Posted: 11/26/2014 8:39:24 AM EDT
[#3]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
I always go with the bullet manufacturers load data.

BTW the GMX at 1600 fps will most likely not open up. In effect you have a very expensive FMJ.
View Quote


Yep, Hornady says the GMX need to be moving around 2000 fps at least, for them to open up. That's 2000 fps at impact, not MV.

Archived [ARCHIVED THREAD] - 165 gr GMX load data question for 300 blk
Page Armory » Reloading
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