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Joined: Oct 2006
Posts: 24,642 Likes: 21
Campfire Ranger
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Campfire Ranger
Joined: Oct 2006
Posts: 24,642 Likes: 21 |
I'm on my second AI. I've shot 140 grain BT's most the time the last 30 years, but switched last year to 150 grain LRAB's and Ballistic Tips. The LRAB's were real ticky about seating depth and I was able to get better groupings with the 150 grain BT's (.081" three shot group!). My rifle prefers RL-19 in both 140 and 150 grain loadings. In the past, I've used IMR-4831 as my go-to powder, as well as RL-22, with excellent results. I shot out three barrels in my first Jarrett AI culling does (legally). Each new barrel preferred 4831 or 22, with one barrel preferring RL-15...I'm not kidding. My new Jarrett is RL-19 all the way. Have not had a single AI rifle show a preference for either 4350, which I always thought was strange.
Good luck with your rifle! ------------------------------------------------------------------------------------------------------------------ Re-15 ? you are the King of "finding the load" . 
PRESIDENT TRUMP 2024/2028 !!!!!!!!!!
Posted by Bristoe
The people wringing their hands over Trump's rhetoric don't know what time it is in America.
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Joined: Jan 2015
Posts: 341
Campfire Member
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Campfire Member
Joined: Jan 2015
Posts: 341 |
I'm pushing a 168 Berger at 2950 using RL26. Shooting sub .2's. before that, retumbo gave me very good accuracy but was about 100 fps slower. h4831sc is another good option.
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Joined: May 2003
Posts: 16,972 Likes: 1
Campfire Ranger
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Campfire Ranger
Joined: May 2003
Posts: 16,972 Likes: 1 |
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Joined: Aug 2005
Posts: 15,652 Likes: 3
Campfire Ranger
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Campfire Ranger
Joined: Aug 2005
Posts: 15,652 Likes: 3 |
I'm running a 168 VLD and H4831sc. 2,820 from a 22"...
Very accurate
- Greg
Success is found at the intersection of planning, hard work, and stubbornness.
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Joined: Aug 2004
Posts: 173
Campfire Member
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OP
Campfire Member
Joined: Aug 2004
Posts: 173 |
2820 is a little slower than i want to be with that bullet. I would settle for 2900ish with thay bullet powder combo. If I can not find accuracy at the velocity I want with a particular powder, i move on to another powder.
I did find some 7828ssc today, so thats another powder to play with. Hopefully I will find what Im looking for.
So far I have R17, R26, H4831SC, and now 7828SSC. I know where some R19 is as well, so I may grab a pound of that.
Last edited by BriGuy; 10/29/16.
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Joined: Jul 2001
Posts: 60,205 Likes: 26
Campfire Kahuna
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Campfire Kahuna
Joined: Jul 2001
Posts: 60,205 Likes: 26 |
I've had good luck with H4831 in three .280 AI's, but along with RL-26 am also going to try IMR7977 in my latest, since it also looks to be just enough slower than 4831 to possibly work very well. Like 26, 7977 is double-based so should provide a little more zip.
“Montana seems to me to be what a small boy would think Texas is like from hearing Texans.”
John Steinbeck
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Joined: Aug 2004
Posts: 173
Campfire Member
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OP
Campfire Member
Joined: Aug 2004
Posts: 173 |
I've had good luck with H4831 in three .280 AI's, but along with RL-26 am also going to try IMR7977 in my latest, since it also looks to be just enough slower than 4831 to possibly work very well. Like 26, 7977 is double-based so should provide a little more zip. Im pretty comfortable with standard rifle primers with the H4831SC and R17, but am wondering if with R26 and the 7828 if I would be better off with Mag primers. I have 5 thousand standard rifle primers but seems mag primers are getting hard to come by. For a month now I've not been able to nail down any mag primers of any kind.
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Joined: Jul 2001
Posts: 60,205 Likes: 26
Campfire Kahuna
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Campfire Kahuna
Joined: Jul 2001
Posts: 60,205 Likes: 26 |
Usually extruded powders work fine with standard primers in .30-06-sized cases.
“Montana seems to me to be what a small boy would think Texas is like from hearing Texans.”
John Steinbeck
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Joined: Jan 2015
Posts: 341
Campfire Member
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Campfire Member
Joined: Jan 2015
Posts: 341 |
I've only run federal 210M's and I have no complaints. That's been with H4831sc, Retumbo and RL26.
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Joined: Aug 2004
Posts: 173
Campfire Member
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OP
Campfire Member
Joined: Aug 2004
Posts: 173 |
I've only run federal 210M's and I have no complaints. That's been with H4831sc, Retumbo and RL26. What has been your experience with R26? Accuracy and velocity wise?
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Joined: Jan 2015
Posts: 341
Campfire Member
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Campfire Member
Joined: Jan 2015
Posts: 341 |
I've only run federal 210M's and I have no complaints. That's been with H4831sc, Retumbo and RL26. What has been your experience with R26? Accuracy and velocity wise? I don't remember what it was with the 4831sc, Retumbo was 2840's groups were in the .2's. 60.5 grains of RL26 gave me 2950 and groups that were sub .2.
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Joined: Aug 2004
Posts: 173
Campfire Member
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OP
Campfire Member
Joined: Aug 2004
Posts: 173 |
Hoping to have my custom back from Eddie around the first of the year or soon after. Im ready to dive into some load development. This waiting is killing me. Im ready to mount my scope and burn some powder.
Last edited by BriGuy; 10/30/16.
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Joined: Aug 2005
Posts: 15,652 Likes: 3
Campfire Ranger
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Campfire Ranger
Joined: Aug 2005
Posts: 15,652 Likes: 3 |
2820 is a little slower than i want to be with that bullet. I would settle for 2900ish with thay bullet powder combo. If I can not find accuracy at the velocity I want with a particular powder, i move on to another powder. okay - it's a 22" tube remember and I'm not going to have temperature issues with the Alliant crap... At 2,820 it's a 900 yard load which is plenty far for me and hunting....
- Greg
Success is found at the intersection of planning, hard work, and stubbornness.
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Joined: Aug 2004
Posts: 173
Campfire Member
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OP
Campfire Member
Joined: Aug 2004
Posts: 173 |
2820 is a little slower than i want to be with that bullet. I would settle for 2900ish with thay bullet powder combo. If I can not find accuracy at the velocity I want with a particular powder, i move on to another powder. okay - it's a 22" tube remember and I'm not going to have temperature issues with the Alliant crap... At 2,820 it's a 900 yard load which is plenty far for me and hunting.... That wasn'nt a knock on your post, Im sorry if it cane off that way. I was simply stating with a 26 inch barrel, I have a velocity range I expect to be in. If I cant get there with a particular powder with any accuracy, I'll move on to the next powder of choice. If I fail to get there with any of them, I normally fall back to the one that had the best accuracy/velocity and continue my search.
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Joined: Aug 2005
Posts: 15,652 Likes: 3
Campfire Ranger
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Campfire Ranger
Joined: Aug 2005
Posts: 15,652 Likes: 3 |
My question to you is if you have a very accurate load 75 fps below your "velocity range" and is more than capable past your maximum shooting range, what are you going to do?
Chase 75 fps, or actually hunt?
- Greg
Success is found at the intersection of planning, hard work, and stubbornness.
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Joined: Aug 2004
Posts: 173
Campfire Member
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OP
Campfire Member
Joined: Aug 2004
Posts: 173 |
My question to you is if you have a very accurate load 75 fps below your "velocity range" and is more than capable past your maximum shooting range, what are you going to do?
Chase 75 fps, or actually hunt? As stated above. " If I fail to get there with any of them, I normally fall back to the one that had the best accuracy/velocity and continue my search." Most reloders I know are never satisfied with good enough. Like I said I know the velocity range I want to be in, and make no appologies for looking for it.
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