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Max grain of bullets per caliber

 
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  #1  
Old 07-22-2007, 01:49 AM
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Max grain of bullets per caliber

I was wondering if someone could clarify why the reloading manuals show up to a certain size grain bullet, when there are larger ones available. I was thinking it was because of pressure being to high. Is that the case? Point in case is 300 H&H, Hornady and most others show a max of 220 grn 30 cal bullet. Does that mean that I cannot safely load anything larger?
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Old 07-22-2007, 05:31 AM
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No its not unsafe to load a heavier bullet for caliber than normal , the trouble is that most of the time factory guns don't have the proper twist rate to stabilize realy heavy for caliber bullets so companies don't bother working up loads for them.

Now I'm not saying that you should take a 200gr Wildcat bullet and load it up in your 7mm mag with a load thats close to top end for a 160 class bullet , two reasons being that the longer heavier bullet has more mass and "generaly" has more bearing surface wich equals drag in the barrel.

I think that Wildcat bullets is making a 250+ gr bullet for 30 cal rifles ,it would be perfectly safe to get some and work up a load to shoot them safely but more than likely your barrel isin't gonna spin them fast enough to have them shoot well.
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Old 07-22-2007, 07:16 AM
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Quote:
Originally Posted by James Jones View Post
I think that Wildcat bullets is making a 250+ gr bullet for 30 cal rifles ,it would be perfectly safe to get some and work up a load to shoot them safely but more than likely your barrel isin't gonna spin them fast enough to have them shoot well.

Wildcat is making 30 Cal. bullets at least as large as 290 grains.I belive that they make them as large as 300 grains. I am building a rifle around the Wildcat 265 grain rebated boattail. It will have a 30" ABS barrel twisted 1 in 8"
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Old 07-22-2007, 10:34 AM
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doh

Thanks guys, I wasnt considering the twist as why they wouldnt list them. That makes alot more sense.
SW
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Old 07-23-2007, 01:02 AM
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Wildcat bullets in .30 cal only go up to 225g. They go up to 350g. in .338 cal.
If someone makes a .300g. .30 cal bullet I have to try some. Sierra once made some 250g. smk's bullet not any more, 240 is as high as it goes.
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Old 07-23-2007, 05:23 AM
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Quote:
Originally Posted by montour rifles View Post
Wildcat bullets in .30 cal only go up to 225g. They go up to 350g. in .338 cal.
If someone makes a .300g. .30 cal bullet I have to try some. Sierra once made some 250g. smk's bullet not any more, 240 is as high as it goes.

Not true.....Wildcat makes a 290 grain (JonA tested the first 265 grain Wildcats made with the 290 grain jacket) 30 Cal. bullet and I believe that they make a 300 grainer.............I have 1000 of the 265 grain 30 cal. Wildcats sitting beside me as I type this
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Last edited by jwp475; 07-23-2007 at 06:20 AM.
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  #7  
Old 07-23-2007, 11:49 AM
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Most of the reloading manuals are writen by bullet manufacturers, therefore they ONLY list their own bullets. If Hornady had a 250gr 30 cal bullet they would list loads for them, but they don't, so they don't. For obvoius marketing reasons one bullet manufacturer isn't going to load/advertise bullets from someone else.
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