25WSM
Well-Known Member
I have 3 257 wby mags already. And a 6.5-257 wby. If I need more than that to kill it I don't need to shoot it.
Thanks anyway.
Shep
Thanks anyway.
Shep
What do you think of the 6.5 WBY RPM ?
- Thread starter Overkill338
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John Polk
Well-Known Member
That 6.5 - 257 sounds like a winner. My hesitation with the Creedmore is not the bore diameter, but its the case capacity. The 257 mag. case takes care of that very nicely.
John Polk
Well-Known Member
Elk Hunter 338
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what does that 6.5-257 weatherby run as far load and such
Rich Coyle
Well-Known Member
Here's a photo of my wildcat. The case on the left is a 9.3X64 Brenneke. Since I couldn't find any when I wanted to buy some I purchased a bunch of Norma 7 Rem Mag brass and turned the belts off and turned the rim down. I guess one could call it a 6.5-7Wea because of the shoulder shape I like. I used the Weatherby double radii.
What's very interesting is this duplicates the new 6.5RPM. This difference is instead of the new titanium action I use a regular steel six lug Mark V action and a Pac-Nor barrel. I ordered a 28" 7mm barrel for my Klienguenther and this 26" 6.5 barrel arrived. Instead of making a fuss, I made what I now play with.
25WSM
Well-Known Member
If weatherby did the 6.5-257 instead of the 6.5 -300 it would have been more popular and then the 6.5rpm wouldn't be needed either. But in all reality the 6.5 rpm and the 6.5-257 and the 6.5 Saum are all going to be so close in performance that won't matter which one you do. I really like my 6.5-257 best. But then again adg makes the 6.5 Saum brass now and it's really strong stuff. So just build what your action fits.
Shep
Shep
25WSM
Well-Known Member
Don't forget the 6.5-06 imp. I built 3 barrels for my friend for 1000 yard comp. They all shot 3150-3200 with 142s. This was 29 inch barrels. We used a special run of 30-06 lapua brass and they only lasted 4-5 shots. We were able to get 3300 with rl-26 but it didn't group good enough. My friend Bob Pastor used this round to clean up in f-class. He won so many championships he can't get all the trophies on one wall.
Shep
Shep
Andrew Massi
Well-Known Member
Agreed it (6.5-257)is a superior cartridge to the 6.5-300 it's on the ragged edge for performance vs overbore for the 264. My current pac nor 26" 6.5-257 can push 147s to 3400 but really shines with 140s & N560 @ 3350. Good brass life, plenty flat.
But, it still needs a 9 lug. So the rpm would have a home on the 6 lug.
Coyote_Hunter
Well-Known Member
The 6.5-06AI is a great cartridge! Bought an Interarms Mark X action about 10 years ago and had Krieger true it and mate and bed a fluted stainless barrel to it in a Boyd laminate stock. Told Big Brother it was my "600-yard clay pigeon shooter" because it was. (He said he hoped it was good for more than that, which it definitely is.)
With a 24" barrel it moves a 130g Scirocco II at 3161fps and a 140g BT @ 3075fps.
If the Savage I have as a donor had a .473" bolt face it would become a sporter-weight 6.5-06AI. Instead it has a magnum .532" bolt face (it was a 7mm RM) and will most likely become 6.5 PRC or .264 WM.
25WSM
Well-Known Member
Bolt heads are easily changed out on savages. If you get a ptg it will probably be truer too.
Andrew how did you get 147s to 3400? What powder did you use?
Shep
Andrew how did you get 147s to 3400? What powder did you use?
Shep
Rich Coyle
Well-Known Member
Reminds me of a friend of mine. He didn't reload, he loaded new brass for his 7RUM. They were so hot he could not reload them because the brass wouldn't hold a new primer.
Andrew Massi
Well-Known Member
Rl26, the eld m doesnt build pressure in my chamber like the berger does. Plus I found the berger 140 to be very sensitive to velocity. Much more than 3300 and groups open way up. This barrel really likes N560 and I have 8# so that will likely finish this barrel off. If I build another, i think the enduron line from imr will fit the bill. Vv powders are tough to find in Ca and rin twice as much.
25WSM
Well-Known Member
I haven't put rl26 in mine yet but the stuff seems to get another 100fps in a lot of cases. Will give it a go. I love 147 elds I buy the 2000 pack. Sure sucks sorting 2000 bullets.
Shep
Shep
Andrew Massi
Well-Known Member
I've had temp spikes when over 90* in 240 weatherby if you're in a warmer climate
