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Joined: Nov 2010
Posts: 37,035
Campfire 'Bwana
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Campfire 'Bwana
Joined: Nov 2010
Posts: 37,035 |
MRP is about the same burn range as RL-22. Some say it’s a better refined version.
My Swede sure likes it with 139 Scenars.
DF
Last edited by Dirtfarmer; 09/11/20.
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Joined: Sep 2015
Posts: 181
Campfire Member
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OP
Campfire Member
Joined: Sep 2015
Posts: 181 |
MRP is about the same burn range as RL-22. Some say it’s a better refined version.
My Swede sure likes it with 139 Scenars.
DF I'll have to try that. I guess my loonyism is now confirmed.
Why is abbreviate such a long word
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Joined: Nov 2010
Posts: 37,035
Campfire 'Bwana
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Campfire 'Bwana
Joined: Nov 2010
Posts: 37,035 |
MRP is about the same burn range as RL-22. Some say it’s a better refined version.
My Swede sure likes it with 139 Scenars.
DF I'll have to try that. I guess my loonyism is now confirmed. Yep, without a doubt. DF
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Joined: Sep 2015
Posts: 181
Campfire Member
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OP
Campfire Member
Joined: Sep 2015
Posts: 181 |
MRP is about the same burn range as RL-22. Some say it’s a better refined version.
My Swede sure likes it with 139 Scenars.
DF I'll have to try that. I guess my loonyism is now confirmed. Yep, without a doubt. DF Like I needed confirmation. I once bought a savage 99 in 250-3000 just to shoot up two old boxes of ammo that someone gave me.
Why is abbreviate such a long word
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Joined: Nov 2010
Posts: 37,035
Campfire 'Bwana
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Campfire 'Bwana
Joined: Nov 2010
Posts: 37,035 |
MRP is about the same burn range as RL-22. Some say it’s a better refined version.
My Swede sure likes it with 139 Scenars.
DF I'll have to try that. I guess my loonyism is now confirmed. Yep, without a doubt. DF Like I needed confirmation. I once bought a savage 99 in 250-3000 just to shoot up two old boxes of ammo that someone gave me. Ha! You there, don’t need any confirmation. DF
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Joined: Feb 2001
Posts: 7,951
Campfire Outfitter
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Campfire Outfitter
Joined: Feb 2001
Posts: 7,951 |
I used AA 3100 which is about IMR 4831, burn rate in my 257 Roberts with 120 gr Speer or NP several years back.Also used RL 19 & IMR 4350 in my 257 AI with 120 gr bullets.
kk alaska
Alaska 7 months of winter then 5 months of tourists
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Joined: Jun 2005
Posts: 12,306
Campfire Outfitter
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Campfire Outfitter
Joined: Jun 2005
Posts: 12,306 |
I tried some 7828 in mine and it loved it. It also shoots several other powders ok. Speer data would indicate you're leaving a few hundred fps on the table with that one. Did you clock it? DF I wonder why the low velocity with 7828??? Most pf the data I've seen for other cartridge show it close to RL-22. In fact, when I was looking for RL-22 for my .280, none was on the shelf at the LGS. Checking in a couple of manuals showed velocity to be very close to RL-22 so I used that. My .280 didn't like it. I got the speed but no accuracy. Strange that Speer has it so low over the velocity lever. I wonder why???? Paul B.
Our forefathers did not politely protest the British.They did not vote them out of office, nor did they impeach the king,march on the capitol or ask permission for their rights. ----------------They just shot them.
MOLON LABE
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Joined: Sep 2015
Posts: 181
Campfire Member
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OP
Campfire Member
Joined: Sep 2015
Posts: 181 |
I tried some 7828 in mine and it loved it. It also shoots several other powders ok. Speer data would indicate you're leaving a few hundred fps on the table with that one. Did you clock it? DF I wonder why the low velocity with 7828??? Most pf the data I've seen for other cartridge show it close to RL-22. In fact, when I was looking for RL-22 for my .280, none was on the shelf at the LGS. Checking in a couple of manuals showed velocity to be very close to RL-22 so I used that. My .280 didn't like it. I got the speed but no accuracy. Strange that Speer has it so low over the velocity lever. I wonder why???? Paul B. That is a good question. I've noticed that my Speer manual(#14) is pretty conservative on velocities for most of the rounds that I load.
Why is abbreviate such a long word
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Joined: Nov 2007
Posts: 29,616
Campfire Ranger
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Campfire Ranger
Joined: Nov 2007
Posts: 29,616 |
Ramshot Hunter has worked really nicely for me in the Roberts from 90s-115s.
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Joined: Sep 2015
Posts: 181
Campfire Member
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Campfire Member
Joined: Sep 2015
Posts: 181 |
Ramshot Hunter has worked really nicely for me in the Roberts from 90s-115s. That is one that I'm going to try. Along with RL-23, IMR4831, and PP-4000MR. I really like Ramshot powders and have been using more and more of them lately.
Why is abbreviate such a long word
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Joined: Jul 2011
Posts: 1,792
Campfire Regular
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Campfire Regular
Joined: Jul 2011
Posts: 1,792 |
I used IMR4350 with 115gr partitions or any 117gr bullets load was 43.5gr in my 760 Remington pump. Velocity was about 2925 FPS.
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Joined: Sep 2015
Posts: 181
Campfire Member
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OP
Campfire Member
Joined: Sep 2015
Posts: 181 |
I used IMR4350 with 115gr partitions or any 117gr bullets load was 43.5gr in my 760 Remington pump. Velocity was about 2925 FPS.
I could live with that.
Why is abbreviate such a long word
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Joined: Jul 2011
Posts: 1,792
Campfire Regular
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Campfire Regular
Joined: Jul 2011
Posts: 1,792 |
The best powder I have found is RL23 which is a improved version of RL22, it is temperature insensitive and provides the same speed.
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