210 wildcats 300 rum

[stxhunter]

i just got a wyatts mag installed and want to try the 210 wc i have anyone got load data on these ullets in a 300 rum

 

[remingtonman_25_06]

88g H-1000 or 89g Retumbo. Both shot right at 3000fps and 3/4 MOA out of my old LSS.

 

[goodgrouper]

Just got back from shooting this exact combination this morning. 94 grains of H1000, Rem brass, Fed215 primer, NEW Berger 210 bullet jumping .120" to the lands. Bc was higher than what was printed on the box. Av velocity=3210 from 26" barrel with SD of 6. Shot two 7" groups at 1000, and one 11" group at 1402 yards. Very impressive combo. At 650 yards, it knocked my 15 pound gong off the hanger twice!!!

btw, this is a stiff load!

 

[Marine sniper]

3200 from a 300 UM, sounds prety warm! I did not think they were that much more than a 300 Weatherby. I get just over 3000 ft from 80 grs. of 7828 25.5 in barrel and I am killing my brass to do it.

.120 off the lands ? Hmm,. I have always thought you "had" to put the Bergers right in the lands to get them to shoot. What is this "new" Berger 210 ?

What did the BC work out to be?

Thanks,
John

 

[goodgrouper]

3200 from a 300 UM, sounds prety warm! I did not think they were that much more than a 300 Weatherby. I get just over 3000 ft from 80 grs. of 7828 25.5 in barrel and I am killing my brass to do it.

.120 off the lands ? Hmm,. I have always thought you "had" to put the Bergers right in the lands to get them to shoot. What is this "new" Berger 210 ?

What did the BC work out to be?

Thanks,
John

The load is warm for sure but the primers keep going back in. H1000 is quite a bit slower than IMR7828 and IMR7828 has a pretty quick pressure curve comparatively. That could explain why your brass is hammered.

I have always jammed Bergers into the lands myself but the last few guns I've worked on seemed to shoot fine with the bullets seated to fit the magazines. They are jumping more than I would like but it seems they can be tuned for it.

The new Bergers are being made with more exacting tolerances and many guys are reporting bearing surface variations are being held to less than .002" just like what I've seen so far. No more bullet segregating!

I only had took one of my chronographs to the range today so I can't say exactly yet what the bc was but it was absolutely dead calm this morning at 5:30 so I got a pretty good read for backfiguring the bc and it came out at .725. This is quite a bit higher than the rated .631 and even the old rating of .64. I will more accurately figure the bc with two chronos next time but I can say for sure that it was certainly over .67 and .725 matched the drops perfectly. This barrel is very smooth and seems to produce crazy bc's but more testing is in order.

 

[Marine sniper]

The load is warm for sure but the primers keep going back in. H1000 is quite a bit slower than IMR7828 and IMR7828 has a pretty quick pressure curve comparatively. That could explain why your brass is hammered.

I have always jammed Bergers into the lands myself but the last few guns I've worked on seemed to shoot fine with the bullets seated to fit the magazines. They are jumping more than I would like but it seems they can be tuned for it.

The new Bergers are being made with more exacting tolerances and many guys are reporting bearing surface variations are being held to less than .002" just like what I've seen so far. No more bullet segregating!

I only had took one of my chronographs to the range today so I can't say exactly yet what the bc was but it was absolutely dead calm this morning at 5:30 so I got a pretty good read for backfiguring the bc and it came out at .725. This is quite a bit higher than the rated .631 and even the old rating of .64. I will more accurately figure the bc with two chronos next time but I can say for sure that it was certainly over .67 and .725 matched the drops perfectly. This barrel is very smooth and seems to produce crazy bc's but more testing is in order.

The case capasity of the UM and the Weatherby is pretty close, perhaps I should try some H1000

3200 fps and .725 would be sweet !! should be less than 20 MOA of drop at 1000 and supersonic for well over 2000 ! (just off top my head)

Thanks GG,

John

 

[stxhunter]

thanks for the info guys