Benchmark?
- Thread starter scorpion168
- Start date
I tried some a few years ago and could not get it to shoot to my liking. I had better luck with it in .223 than in the .308. I will say that I did not do extensive load development with it, I was just not able to find a sweet spot very easily with it in the .308. There are folks that have had very good luck with it though.
I bought a pound of it the other day, it was the only powder that the shop had. I figured I would give it a try in my .308 . only problem is in my hornady manual it gives absolutely no load data for it.... be interested to see if anyone has any information or a starting point.
I used I want to say 42 gr and got about 2520 fps and pritty good groups just once last week tho I am going to keep working it and see what happens
Creature, what was your starting charge? I do love shooting those 110grn v-maxs out of my .308 it is devastating on groundhogs and gallon bottles of water!! Since is one of Hogdon's " Extreme " powders I have heard that it is very sensitive to heat . Any experience with this??
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168gr Hornady bthp & benchmark was ok especially right at max charge and a little over which ruined the primer pockets but I got slightly better groups with Accurate 2520. Working on a Varget load now. At the time I only had 100 bthp's and 100 amax's so i limited myself mostlyto 3shot groups
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For all the world it looks like Black Hills is using 42 grains of Benchmark in their 175 Sierra Matchking loads. 42 is max, according to Hodgdon.
The Black Hills load works pretty well...
Dan
The Black Hills load works pretty well...
Dan
I don't know Benchmark. But, the Extreme Powders from Hodgdon are meant to be relatively impervious to temperature changes---as in, NOT temperature sensitive....
Can't remember what my starting load was but I ended up at 49.2grs of benchmark pushing a 110gr Vmax at 3217fps. You'd want to work up to that of course.
thanks for the info, my hornady book lists no loads in .308 with benchmark. I will have to work up a load soon !!
110 GR. BAR TSX FB Hodgdon Benchmark .308" 2.690" START-45.2gr 3005fps 39,700 PSI MAX-50.2grs compressed 3316fps 54,200 PSI
data from here:
Cartridge Loads - Hodgdon Reloading Data Center - data.hodgdon.com
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