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Reloading Berger Bullets


6.5 wsm ?

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Unread 01-09-2008, 04:24 PM
Silver Member
Join Date: Nov 2006
Location: new mexico
Posts: 243
6.5 wsm ?

i tried a search, but too short. so i'll ask here.

i have a remmy .243 hb, that has been a long time friend. (22 years)
but i am thinking of doing a 6.5 wsm on it.

where, oh, where, can i find info on this ?
i would like to launch 140 gr. bullets, but what should i expect from this wsm variant ?
.264 mag velocities ?
am i barking up the wrong tree, and just stick to a .260 so no mods have to be made to my remmy sa ??
i really do like the .260, but out here in the wild west, bigger is always better to some extent.

any info would be greatly appreciated.
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Unread 01-09-2008, 04:39 PM
Bronze Member
Join Date: Dec 2007
Location: Republic of Texas
Posts: 36
I'm shooting a 6.5 WSM this year, and I love it. I shoot the 140 amax. I have shot numerous whitails, hogs, and Javalinas. It kills like a lightning bolt. Expect 3200-3250 fps. I'm getting 3270 out of a 26" barrel but will probably drop the charge a little. Pressure signs H1000 or Retumbo works good in it.

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Unread 01-11-2008, 12:02 PM
Bronze Member
Join Date: Jan 2008
Location: Alaska U.S.A
Posts: 51

1. Bolt head has to be machined and a different extraction system installed. I am not even sure it will work without altering the magazine well.
2. If you do not mind a single shot you could rechamber to 6.5X06 or various chambers off this.
3. Savage allows one to change the bolt head as I have done this in my Strikers. Had to cut the threads out of the action and re-thread to a larger barrel shank as well. Works great and is simply.

4. If it were me I would re-chamber to the 6.5 X 284. You will get at least a couple hundred feet per second velocity and cases and dies are readily available.

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Unread 01-11-2008, 09:47 PM
Platinum Member
Join Date: Jul 2004
Location: SW MO
Posts: 1,343
My 6.5 WSM produces velocities similar to gunner45. I am shooting the 140 gr Sierra spitzer boat tail game king out of a 26" 9 twist Lilja barrel. 65.5 gr of H1000 in necked Norma 270 WSM brass gives me 3215 fps. Virtually the short action equivalent of the 264 WM. The 6.5-284 sounds like an excellent idea as well. Brass is available from (I believe) Norma and I would think a new barrel and only minor feed rail mods would be necessary.

Best of luck!
The critters have to win every time, I only have to win once.

NRA Life Member
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