|
Joined: May 2013
Posts: 246
Campfire Member
|
OP
Campfire Member
Joined: May 2013
Posts: 246 |
Looking for the best all around powders to use in my 300 Win mag. Looking for both accuracy and speed using 165gr -180gr bullets.
|
|
|
|
Joined: Mar 2009
Posts: 4,413 Likes: 1
Campfire Tracker
|
Campfire Tracker
Joined: Mar 2009
Posts: 4,413 Likes: 1 |
4350,any of the three work really well.
~Molɔ̀ːn Labé Skýla~ As Bob Hagel would say"You should not use a rifle that will kill an animal when everything goes right; you should use one that will do the job when everything goes wrong."Good words of wisdom...............
|
|
|
|
Joined: Nov 2010
Posts: 37,174 Likes: 5
Campfire 'Bwana
|
Campfire 'Bwana
Joined: Nov 2010
Posts: 37,174 Likes: 5 |
I like RL-22 for 180’s. MRP is about he same stuff.
Nosler lists H-4831 as their accuracy load for 200’s. Gonna try some with 200 NPT’s.
DF
|
|
|
|
Joined: May 2013
Posts: 246
Campfire Member
|
OP
Campfire Member
Joined: May 2013
Posts: 246 |
Thanks guys. I know there are a bunch of powders that will work but there is always a few that really shine and stand out. With the knew powders that's been developed over the past couple of years it's hard to keep up with what's going on. Some of the new high energy powders don't give over 95% case fill and that worries me because of delayed detonation while hunting should the powder not be a against the flash hole. Also some of the new to me powders need to be near max to perform and show inconsistent velocities with large swings for the same powder charge in lower charge weights. The older stand by powders may be what I'm looking for. The 165gr-180gr are for hunting so they need to be dependable and accurate.
|
|
|
|
Joined: Nov 2010
Posts: 37,174 Likes: 5
Campfire 'Bwana
|
Campfire 'Bwana
Joined: Nov 2010
Posts: 37,174 Likes: 5 |
Kinda like RL-15 in the .375 H&H. There are other, higher performance options, but that one has been so good for so long, few want to change.
RL-22 has been a go to powder for 180's in the .300 Win, maybe not as universally popular as RL-15 in the .375, but widely used.
I have a big jug of MRP, which I also use. It reportedly may be better stuff that RL-22, but I can't tell the difference. They both work well.
Curious that H-4831 is the Nosler accuracy powder for 200's; it's actually a bit faster burning than RL-22. You'd think the heavier bullet would prefer the slower powder.
If you're looking for that 'magic" load, you gotta go with what others have found to work and what their go to combo may be.
DF
|
|
|
|
Joined: Oct 2008
Posts: 7,263
Campfire Tracker
|
Campfire Tracker
Joined: Oct 2008
Posts: 7,263 |
Same have been using R22 for awhile. Next loads will be with R16 & R26. as I haven't tried 150s in the 300 so doing so now for grins. R26 usually has the highest or in the top three highest for velocity from 150s to 215s.
DF RE: H4831 it might be as JB and others have written that for some reason a faster powder obdurates better with Partitions. They need an extra kick in the pants sometimes to do their best accuracy wise.
"When you disarm the people, you commence to offend them and show that you distrust them either through cowardice or lack of confidence, and both of these opinions generate hatred." Niccolo Machiavelli
|
|
|
|
Joined: Nov 2010
Posts: 37,174 Likes: 5
Campfire 'Bwana
|
Campfire 'Bwana
Joined: Nov 2010
Posts: 37,174 Likes: 5 |
. DF RE: H4831 it might be as JB and others have written that for some reason a faster powder obdurates better with Partitions. They need an extra kick in the pants sometimes to do their best accuracy wise. You may be right. Makes sense. DF
|
|
|
|
Joined: Oct 2008
Posts: 7,263
Campfire Tracker
|
Campfire Tracker
Joined: Oct 2008
Posts: 7,263 |
If I was starting from scratch I would look to R26 and R23 unless I had already stocked up on R22. I am going to try these and R16 next time I load 300s. Here is the best current data https://www.speer-ammo.com/en/reloading/rifle and also the Alliant site has some loads for these powders. R23 loads close to R22 and has really good temperature stability plus de-coppering agents. R26 usually gets top velocities with bullets heavier than 150 grains. If the R26 loads don't prove accurate try a hotter primer or just start out with magnum primers. H7828 is good as well as Ramshot Magnum. I find the 300 easy to load for with anything slower than the 4350s.
"When you disarm the people, you commence to offend them and show that you distrust them either through cowardice or lack of confidence, and both of these opinions generate hatred." Niccolo Machiavelli
|
|
|
|
Joined: May 2013
Posts: 246
Campfire Member
|
OP
Campfire Member
Joined: May 2013
Posts: 246 |
Tejano; Thanks for the link I didn't even know Speer had a on line manual.
|
|
|
|
Joined: Mar 2010
Posts: 5,517 Likes: 1
Campfire Tracker
|
Campfire Tracker
Joined: Mar 2010
Posts: 5,517 Likes: 1 |
IMR-4350 has been my go-to for 150-180 grain loads for 30 years or so. Fast with the 150's. Accurate across every rifle I've ever loaded it for in the 180's. It just works.
Had a VERY bad experience with temperature instability from R-22 in a 7-STW. I'll never drop another charge it in ANYTHING.
Wollen nicht krank dein feind. Planen es.
|
|
|
|
Joined: Sep 2006
Posts: 2,226
Campfire Regular
|
Campfire Regular
Joined: Sep 2006
Posts: 2,226 |
Looking for both accuracy and speed using 165gr -180gr bullets. IMR 4350
Murphy was a grunt.
|
|
|
|
Joined: Dec 2005
Posts: 12,630
Campfire Outfitter
|
Campfire Outfitter
Joined: Dec 2005
Posts: 12,630 |
|
|
|
|
Joined: Mar 2011
Posts: 4,963
Campfire Tracker
|
Campfire Tracker
Joined: Mar 2011
Posts: 4,963 |
Burn a fair amount of IMR 7828. My .300 likes it with 150 and 180gr bullets
Mauser Rescue Society Founder, President, and Chairman
I don't always shoot Mausers, but when I do...I prefer VZ-24s.
jdi do píči
|
|
|
|
Joined: Feb 2007
Posts: 7,760
Campfire Outfitter
|
Campfire Outfitter
Joined: Feb 2007
Posts: 7,760 |
I have found H4350 to be the best for Me but I would like to try some RL23.......Hb
|
|
|
|
Joined: Dec 2003
Posts: 1,568
Campfire Regular
|
Campfire Regular
Joined: Dec 2003
Posts: 1,568 |
I agree. 4350 good, and hard to beat. Good choice.
|
|
|
|
Joined: Jun 2004
Posts: 44,878 Likes: 8
Campfire 'Bwana
|
Campfire 'Bwana
Joined: Jun 2004
Posts: 44,878 Likes: 8 |
Thanks guys. I know there are a bunch of powders that will work but there is always a few that really shine and stand out. With the knew powders that's been developed over the past couple of years it's hard to keep up with what's going on. Some of the new high energy powders don't give over 95% case fill and that worries me because of delayed detonation while hunting should the powder not be a against the flash hole. Also some of the new to me powders need to be near max to perform and show inconsistent velocities with large swings for the same powder charge in lower charge weights. The older stand by powders may be what I'm looking for. The 165gr-180gr are for hunting so they need to be dependable and accurate. You're worrying too much if you believe over 95% is necessary.
|
|
|
|
Joined: Sep 2008
Posts: 5,742 Likes: 1
Campfire Tracker
|
Campfire Tracker
Joined: Sep 2008
Posts: 5,742 Likes: 1 |
I've been loading my 300Win with H1000 when using 180gr bullets, great accuracy and I have enough to last a while.
It's not my first concern but it does fill the case up when loaded with top loads.
"Camping places fix themselves in your mind as if you had spent long periods of your life in them. You will remember a curve of your wagon track in the grass of the plain like the features of a friend." Isak Dinesen
|
|
|
|
Joined: Nov 2017
Posts: 25
Campfire Greenhorn
|
Campfire Greenhorn
Joined: Nov 2017
Posts: 25 |
RL26 175gr Barnes LRX 3150fps most accurate in my 300win mag. Never had an issue in cold or hot weather either.
|
|
|
|
Joined: Aug 2010
Posts: 48,165 Likes: 14
Campfire 'Bwana
|
Campfire 'Bwana
Joined: Aug 2010
Posts: 48,165 Likes: 14 |
4350,any of the three work really well. Yours was the fist reply and probably the best answer...
I try to stick with the basics, they do so well. Nothing fancy mind you, just plain jane will get it done with style. You want to see an animal drop right now? Shoot him in the ear hole. BSA MAGA
|
|
|
|
Joined: Aug 2010
Posts: 48,165 Likes: 14
Campfire 'Bwana
|
Campfire 'Bwana
Joined: Aug 2010
Posts: 48,165 Likes: 14 |
Thanks guys. I know there are a bunch of powders that will work but there is always a few that really shine and stand out. With the knew powders that's been developed over the past couple of years it's hard to keep up with what's going on. Some of the new high energy powders don't give over 95% case fill and that worries me because of delayed detonation while hunting should the powder not be a against the flash hole. Also some of the new to me powders need to be near max to perform and show inconsistent velocities with large swings for the same powder charge in lower charge weights. The older stand by powders may be what I'm looking for. The 165gr-180gr are for hunting so they need to be dependable and accurate. You're worrying too much if you believe over 95% is necessary. He must have read somewhere on the web that you had to have at least 95% case fill???? I agree with mathman, it's not necessary...
I try to stick with the basics, they do so well. Nothing fancy mind you, just plain jane will get it done with style. You want to see an animal drop right now? Shoot him in the ear hole. BSA MAGA
|
|
|
|
190 members (1eyedmule, 24HourCampFireGuy50, 204guy, 10gaugemag, 1_deuce, 28 invisible),
2,113
guests, and
1,075
robots. |
Key:
Admin,
Global Mod,
Mod
|
|
Forums81
Topics1,193,079
Posts18,501,608
Members73,987
|
Most Online11,491 Jul 7th, 2023
|
|
|
|