Hornady ELD-MATCH 225GR In .300WM Reloading Question - Arms Locker
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Old 06-07-2020, 07:57 PM   #1
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Hornady ELD-MATCH 225GR In .300WM Reloading Question

Okay to preface this I've done a decent amount of reloading & shooting in the past with the .300 Winchester Magnum.
But with mainly Sierra Match Kings 168gr and 180 grain at distances from 300 to 700 yards.

That was roughly 12 years ago.

This year I'm getting back into long range
precision rifle shooting.

This time more formal events out to +/-1000yds.

So I choose to develop a pet load for this using Hornady ELD Match bullets of 225 gr.
I also purchased Hornady brass as well as their "10" Edition reloading manual
Now here's were the problem comes in.
If I seat these bullets even close to the recommended Cartridge Over All Length they appear to be seated too deeply. As in the case mouth is up over into the start of the taper/ogive!
This can't be right can it?
So anyone hear who has used this bullet/cartridge combo?
 
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Old 06-07-2020, 10:10 PM   #2
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Okay got some data through Google and Snipers Hide.

Going to set a OAL of 3.540 vs the books lisred 3.340 as a starting point for this load.
Some people are running close to 3.90 but that's way more out and not much off the lands. Which I dislike as a first thing to do for a new load in a new rifle.
 
Old 06-08-2020, 06:07 AM   #3
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Sorry, no help here. I don't load stuff for rifles with the exception of carbine-oriented magnum handgun calibers.
 
 
Old 06-08-2020, 09:34 PM   #4
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What's disappointing is to their, Hornady's, reloading manual does not have any special/specific cartridge overall length data for their components. Just general information per Cartridge.
IMHO, when mfg reloading specialty components and allegedly testing them having specific matching data would be nice.
 
Old 06-09-2020, 05:06 AM   #5
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Fwiw, QuickLoad software is very good for doing ‘what if’ inquiries. It’s around $150 iirc and I put off buying it for a long time, but am very glad I did.
 
Old 06-09-2020, 06:59 AM   #6
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Sorry, no experience with this caliber.
 
Old 06-10-2020, 12:01 AM   #7
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Got back from the range .
Session was good but performance was kind of so so.
Found out I did not like s couple of things. First this rifle came with a threaded barrel, no choice. I don't like the muzzle brake I tried. It's a Smith really intended for .308 Winchester. All I'll say is I was shooting tighter groups after I took the brake off. Thread protector is going back on. I may just get an A2 style flash suppressor made for .30 Cal and call it good.
Stock comb sucks can't go any lower with the rings and 34mm rings are not big on incremental heights. I might either go to a adjustable comb stock, build up the comb or go back to the Choate Sniper Stock like I previously had in my Sendero Special.
Bright side no pressure signs with these loads so I'm gonna ease back a smidge on the powder charge and adjust Cartridge length out as much as I can.
 
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