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Joined: Apr 2006
Posts: 35
Campfire Greenhorn
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OP
Campfire Greenhorn
Joined: Apr 2006
Posts: 35 |
I am having a custom 257 Weatherby being built and planning on using 110gr accubonds or 115gr TSX or partitions, if anyone has loads that are outstanding I would appreciate them. If you are using H4831, Retumbo or R25 I have those powders but will be happy to hear about others. Velocity and accuracy appreciated.
Thanks Regards John.
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Joined: Nov 2004
Posts: 373
Campfire Member
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Campfire Member
Joined: Nov 2004
Posts: 373 |
Lots of guys on here swear by RL 22 in 257 wby. fed 215 pr. 100 tsx, 110 accub, 115 b-tip, 120 part. etc. I havent tried it yet. I tried RL25 from 70 to 74.5 gr in wby brass fed 215M, 110 accubond. In my submoa all the charge wts shot pretty well. I have settled for now at 74 gr at 3400-3450 fps. OAL 3.25 i think. I don't have much drive time with the 257 yet. there is alot of data on here if you search the threads. Reloaders nest is another source as well as realguns.com Good luck! Maybe some of the more seasoned 257wby guys will weigh in with a more qualified opinion.
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Joined: Dec 2000
Posts: 3,051
Campfire Tracker
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Campfire Tracker
Joined: Dec 2000
Posts: 3,051 |
110 Accubond with 72 gr RL22. 3400-3500 fps. Work up slowly, start at 65gr or so.
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Joined: Apr 2003
Posts: 11,736
Campfire Outfitter
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Campfire Outfitter
Joined: Apr 2003
Posts: 11,736 |
POP - 72grs of R22 seems HOT but maybe not in yours. I and many others use 72grs behind 100's. I use 68grs behind a 110AB in my Vanguard for 3450 and submoa groups.
But as for me and my house we will serve the Lord. Joshua 24:15 I can do all things through Christ who strengthens me. Phil. 4:13
I DON'T NEED A WSM AS I HAVE A WEATHERBY!
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Joined: Apr 2006
Posts: 35
Campfire Greenhorn
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OP
Campfire Greenhorn
Joined: Apr 2006
Posts: 35 |
It looks like I need to try R22 for the 110gr, I will and see if it works in my gun. I am going to try some Retumbo as I have found it accurate in my 7MM RM and slow burning so it should work.
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Joined: Feb 2003
Posts: 1,144
Campfire Regular
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Campfire Regular
Joined: Feb 2003
Posts: 1,144 |
Having just today picked up my Weatherby MKV Ultralite in 257wby mag I'd be most interested in the results of you load development.
Keep us informed.
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Joined: Jun 2002
Posts: 9,921
Campfire Outfitter
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Campfire Outfitter
Joined: Jun 2002
Posts: 9,921 |
Any of you guys kill anything with the Nosler Accubond bullet at higher velocities? I'm curious what the bullet might look like after being launched at 3300-3400 fps out of the 257 WBY.
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Joined: Apr 2003
Posts: 1,404
Campfire Regular
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Campfire Regular
Joined: Apr 2003
Posts: 1,404 |
I have used the Retumbo behind the 100 gr Barnes TSX in two different Weatherby rifles with charges from 77 to 81 grains, found best accuracy at around 78 grains and 3,580 to 3,610 fps, with Norma brass, Fed 215GM.
115 gr Barnes TSX 69 grs Reloader 22 Norma Brass Fed 215GM Velocity - 3430
I think the Retumbo is a bit slow burning for the 100gr. bullets and never tried it behind the 115 grainers.
In regards to the 100 grain pills in the .257 Roy I have found best accuracy is at the 3,600 fps range in both rifles. I have cranked them up to 3,700 and accuracy is not as good.
I have never tried the Accubond but did do some experimenting with the 115gr. Ballistic Tip but never could get velocity or accuracy I was pleased with.
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Joined: Dec 2000
Posts: 3,051
Campfire Tracker
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Campfire Tracker
Joined: Dec 2000
Posts: 3,051 |
POP - 72grs of R22 seems HOT but maybe not in yours. I and many others use 72grs behind 100's. I use 68grs behind a 110AB in my Vanguard for 3450 and submoa groups. Yup it sure is and thanx for pointing that out! Mine was a custom though.
Start lowwwwww...... work up sloooowwwww
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Joined: Dec 2000
Posts: 3,051
Campfire Tracker
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Campfire Tracker
Joined: Dec 2000
Posts: 3,051 |
Any of you guys kill anything with the Nosler Accubond bullet at higher velocities? I'm curious what the bullet might look like after being launched at 3300-3400 fps out of the 257 WBY. If you go to the nosler forums you will see a bunch of animals killed with the 110 AB out of the 257 Bee!
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Joined: Oct 2003
Posts: 3,291
Campfire Tracker
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Campfire Tracker
Joined: Oct 2003
Posts: 3,291 |
Which forum and post? Could not find the pics but would love to see them!
X-VERMINATOR
Sooner or later our heritage of hunting is going to be a rich mans sport and the words "Outfitter" and "Hunt Industry" will be synonymous with cancer and A.I.D.S. among blue collar hunters like me and my family! (A.L. Williams - 2010)
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Joined: Dec 2000
Posts: 3,051
Campfire Tracker
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Campfire Tracker
Joined: Dec 2000
Posts: 3,051 |
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Joined: Jun 2001
Posts: 7,003
Campfire Tracker
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Campfire Tracker
Joined: Jun 2001
Posts: 7,003 |
john, Don't overlook the 100 gr. TSX in your load development. I use it over 72.0 gr. of RL22, Wby. cases, CCI Mag primers, for a chrono velocity of 3700 fps (actually 3705 avg. fps, but who's counting). In terms of accuracy, this load is far superior to any other bullet weight I have tried, in my Mk.V.
I'd rather be a free man in my grave, than living as a puppet or a slave....
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Joined: Mar 2007
Posts: 791
Campfire Regular
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Campfire Regular
Joined: Mar 2007
Posts: 791 |
i am also interested in the pics, and am having a hard time finding them, can someone PM the link to me please?
Thanks,
Matt
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Joined: Apr 2001
Posts: 3,133
Campfire Tracker
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Campfire Tracker
Joined: Apr 2001
Posts: 3,133 |
Is there a rule against posting the link?
�That rifle on the wall of the labourer's cottage or working class flat is the symbol of democracy. It is our job to see that it stays there.� George Orwell
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Joined: Apr 2006
Posts: 35
Campfire Greenhorn
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OP
Campfire Greenhorn
Joined: Apr 2006
Posts: 35 |
john, Don't overlook the 100 gr. TSX in your load development. I use it over 72.0 gr. of RL22, Wby. cases, CCI Mag primers, for a chrono velocity of 3700 fps (actually 3705 avg. fps, but who's counting). In terms of accuracy, this load is far superior to any other bullet weight I have tried, in my Mk.V. Bighorn I have overlooked them and they do sound appealing, A great bullet for the speeds acheived by a 257 weatherby.
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Joined: Jun 2002
Posts: 9,921
Campfire Outfitter
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Campfire Outfitter
Joined: Jun 2002
Posts: 9,921 |
john, Don't overlook the 100 gr. TSX in your load development. I use it over 72.0 gr. of RL22, Wby. cases, CCI Mag primers, for a chrono velocity of 3700 fps (actually 3705 avg. fps, but who's counting). In terms of accuracy, this load is far superior to any other bullet weight I have tried, in my Mk.V. Bighorn, Is 72.0 grains of RL22 a max load for the 100 grain TSX bullet?
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Joined: Feb 2007
Posts: 1,538
Campfire Regular
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Campfire Regular
Joined: Feb 2007
Posts: 1,538 |
will someone post the link?
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Joined: May 2005
Posts: 847
Campfire Regular
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Campfire Regular
Joined: May 2005
Posts: 847 |
john, Don't overlook the 100 gr. TSX in your load development. I use it over 72.0 gr. of RL22, Wby. cases, CCI Mag primers, for a chrono velocity of 3700 fps (actually 3705 avg. fps, but who's counting). In terms of accuracy, this load is far superior to any other bullet weight I have tried, in my Mk.V. Bighorn, Is 72.0 grains of RL22 a max load for the 100 grain TSX bullet? Its over max in my gun mine like 70-71gr I do have some imr 7828ssc loaded up and ready to go to the range.
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Joined: Jun 2001
Posts: 7,003
Campfire Tracker
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Campfire Tracker
Joined: Jun 2001
Posts: 7,003 |
bearstalker, Yes, it is a max. load, according to which reloading resource you consult. I have not pushed it over this mark, as the velocity is also max listed in the data.
It shows no indication of excessive pressure in my rifle- cases extract easily, no primer problems, etc.- and load development occurred in fairly warm weather conditions.
I'd rather be a free man in my grave, than living as a puppet or a slave....
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