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IMR4451
#6224316
03/15/16 06:45 PM
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Joined: Apr 2010
Posts: 6,219
dee
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OP
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Been playing around with this stuff for a little bit now in my 6mm Creed with good results. It does seem to be a bit faster than h4350 which it's right next to on the burn chart. My old load of 4350 was 41.8gr with a 105gr Hybrids and it yielded 3040fps from a 22"Bartlien. Get to the 4451 and was recommended to be in the 41gr area and with virgin brass 41gr yielded 3098fps with pressure signs. I backed it down to 40.6 and got no signs of pressure and a velocity of 3039fps with a sd of 11.6 all with virgin brass and shot very well (around 2" at 450yds). Going to be able to check it in a cooler temp this weekend but preliminary checks show it is pretty stable.
"A vote is like a rifle; it's usefulness depends on the character of the user" Theodore Roosevelt
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Re: IMR4451
[Re: dee]
#6224348
03/15/16 07:17 PM
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Joined: Sep 2009
Posts: 18,935
ChadTRG42
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Posts: 18,935 |
Very nice!! I've been running it some myself.
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Re: IMR4451
[Re: ChadTRG42]
#6224368
03/15/16 07:37 PM
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Joined: Apr 2010
Posts: 6,219
dee
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OP
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Very nice!! I've been running it some myself. I'm going to try it on my 7mm Ackley soon with 160-168gr stuff. I'm running Varget right now as 4350 is just too slow to give an advantage and I'm hoping something in between the 2 would be nice.
"A vote is like a rifle; it's usefulness depends on the character of the user" Theodore Roosevelt
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Re: IMR4451
[Re: dee]
#6225509
03/16/16 05:19 PM
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Joined: May 2007
Posts: 1,222
papa45
Pro Tracker
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Going to be able to check it in a cooler temp this weekend but preliminary checks show it is pretty stable. I tested 4451 for temperature sensitivity and found it to drop 50-65 fps from 80 down to 35 degrees in my .243 Win (See previous post on this subject.) Not too impressed. Hope your results are different. Please share after you test.
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Re: IMR4451
[Re: dee]
#6225690
03/16/16 08:03 PM
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Joined: Nov 2013
Posts: 1,102
Bbear
Pro Tracker
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Pro Tracker
Joined: Nov 2013
Posts: 1,102 |
Working with it on a 30-06 and a 308. Hope to get out this weekend to see what/how it does.
[IMG][/IMG]
Pay it forward - Kids are the future.
Rifles are similar to boats and young women...there's no end to how much money you can pour into them without making them any more useful.
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Re: IMR4451
[Re: dee]
#6225765
03/16/16 09:12 PM
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Joined: Nov 2007
Posts: 9,517
RiverRider
THF Trophy Hunter
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Joined: Nov 2007
Posts: 9,517 |
I ran across this relevant article just the other day.
"Arguing with you always makes me thirsty." -Augustus McRae
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Re: IMR4451
[Re: papa45]
#6226349
03/17/16 11:20 AM
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Joined: Apr 2010
Posts: 6,219
dee
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OP
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Joined: Apr 2010
Posts: 6,219 |
Going to be able to check it in a cooler temp this weekend but preliminary checks show it is pretty stable. I tested 4451 for temperature sensitivity and found it to drop 50-65 fps from 80 down to 35 degrees in my .243 Win (See previous post on this subject.) Not too impressed. Hope your results are different. Please share after you test. My temp was in the 70's for my initial velocities and it should be in the 40's Friday when I test again. I'll report back after the weekend.
"A vote is like a rifle; it's usefulness depends on the character of the user" Theodore Roosevelt
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Re: IMR4451
[Re: dee]
#6231943
03/22/16 12:56 AM
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Joined: Apr 2010
Posts: 6,219
dee
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Ran 10rds across the chrono Fri with temps at 41° and harsh winds and velocity was only down about 5fps. I shot it the next morning and Sun morning with temps in the upper 20's with no I'll performance in velocity.
"A vote is like a rifle; it's usefulness depends on the character of the user" Theodore Roosevelt
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Re: IMR4451
[Re: dee]
#6231976
03/22/16 01:27 AM
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Joined: Dec 2008
Posts: 41,160
J.G.
THF Celebrity
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THF Celebrity
Joined: Dec 2008
Posts: 41,160 |
Love temp stable powders!
800 Yard Steel Range Precision Rifle Instruction Memberships and Classes Available
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Re: IMR4451
[Re: dee]
#6232072
03/22/16 02:24 AM
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Joined: Apr 2010
Posts: 6,219
dee
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You and me both. Going to run it a bit more but I really like what I'm seeing.
"A vote is like a rifle; it's usefulness depends on the character of the user" Theodore Roosevelt
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Re: IMR4451
[Re: dee]
#6232658
03/22/16 04:56 PM
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Joined: Nov 2013
Posts: 1,102
Bbear
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Well, the 30-o6 didn't care for it too much. Best group was only 1.25" and that's only 3 shots. Temps were in the upper 40's with light winds and clear skies. The 308 on the other hand, liked it quite a bit. Put 5 into a ragged group. The dot is 1/2" I'll load some up and check for repeatability and run them across the magnetospeed to see how they gin along.
[IMG][/IMG]
Pay it forward - Kids are the future.
Rifles are similar to boats and young women...there's no end to how much money you can pour into them without making them any more useful.
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Re: IMR4451
[Re: dee]
#6295001
05/11/16 02:54 PM
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Joined: Apr 2010
Posts: 6,219
dee
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Played with this a bit in my 7mm-08 Ackley improved. Got some Lapua Palma brass sized and formed. Loaded 45.5gr of 4451 and a 162gr eld match I yielded 2799fps with a sd of 10.7 and a es of 27fps, not the greatest numbers but shot sub moa at 375yds.
"A vote is like a rifle; it's usefulness depends on the character of the user" Theodore Roosevelt
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Re: IMR4451
[Re: dee]
#6295335
05/11/16 07:59 PM
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Joined: Apr 2015
Posts: 610
JTPinTX
Tracker
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Tracker
Joined: Apr 2015
Posts: 610 |
My supply of H4350 is getting low and I can't find anymore, so I am going to do some testing with 4451 and Berger 130's in the Creed. And maybe with 100 SGK's in the 243.
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Re: IMR4451
[Re: dee]
#6295411
05/11/16 08:38 PM
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Joined: Nov 2011
Posts: 3,633
DStroud
Extreme Tracker
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Extreme Tracker
Joined: Nov 2011
Posts: 3,633 |
I am excited about the new Reloder 16 powder that should be good for mid-sized cases like 6.5 Creedmoor.
My standard powder for 6.5 CM 120-130gr has been AR Comp... not top end velocities but moderate recoil and outstanding accuracy across multiple rifles.
In the 6mm Creedmoor with the 105 or heavier for me Reloder 26 has been impressive.
Last edited by DStroud; 05/11/16 08:42 PM.
"Anyone taking up handloading necessarily plays with unknown factors and takes chances. But so does anyone who drives a car,goes to a cocktail party,eats in a restaurant,or gets married."
Jack O'Connor 1963
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Re: IMR4451
[Re: dee]
#6295884
05/12/16 02:07 AM
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Joined: Dec 2008
Posts: 41,160
J.G.
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Posts: 41,160 |
Played with this a bit in my 7mm-08 Ackley improved. Got some Lapua Palma brass sized and formed. Loaded 45.5gr of 4451 and a 162gr eld match I yielded 2799fps with a sd of 10.7 and a es of 27fps, not the greatest numbers but shot sub moa at 375yds. Pretty solid load, dee.
800 Yard Steel Range Precision Rifle Instruction Memberships and Classes Available
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Re: IMR4451
[Re: dee]
#6296066
05/12/16 11:03 AM
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Joined: Apr 2010
Posts: 6,219
dee
OP
THF Trophy Hunter
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OP
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Joined: Apr 2010
Posts: 6,219 |
It seems to be. I wasn't hugely pleased with the groups at 375 but the wind was a little shifty. Going to run it in a match the way it is and go from there as I won't have time to get it streched really far out yet.
"A vote is like a rifle; it's usefulness depends on the character of the user" Theodore Roosevelt
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Re: IMR4451
[Re: dee]
#6303551
05/19/16 11:54 AM
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Joined: Apr 2010
Posts: 6,219
dee
OP
THF Trophy Hunter
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OP
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Joined: Apr 2010
Posts: 6,219 |
Finally got a chance to shoot the 7mm load farther than 375yds. Sadly the range was partially blocked by round bales so I was limited to 630yds. I choreographed 10rds and my numbers jumped to a 16.4sd which I'm not pleased with. I shot this group standing on a bucket with the rifle laying across the round bale with a full value wind that was far from steady.
"A vote is like a rifle; it's usefulness depends on the character of the user" Theodore Roosevelt
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