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Joined: Feb 2014
Posts: 949
Campfire Regular
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OP
Campfire Regular
Joined: Feb 2014
Posts: 949 |
I know where there's several pounds of this powder. I also know it's advertised as falling between "regular" RL15 and RL16. Suppose to be extremely temp stable and offer more velocity among several others. With that said, Im interested in trying it in an 7-08. Has anyone tried this powder in the 7-08 and if so what did you find?
"Pride is the only disease that makes everyone sick except the one that has it"
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Joined: Apr 2008
Posts: 10,960 Likes: 1
Campfire Outfitter
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Campfire Outfitter
Joined: Apr 2008
Posts: 10,960 Likes: 1 |
Interested in this as well
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Joined: Sep 2004
Posts: 8,173
Campfire Outfitter
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Campfire Outfitter
Joined: Sep 2004
Posts: 8,173 |
For Pete's sake - go buy it !!!!
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Joined: Sep 2009
Posts: 3,017 Likes: 1
Campfire Tracker
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Campfire Tracker
Joined: Sep 2009
Posts: 3,017 Likes: 1 |
I haven't used it in the 7mm08 yet, but I've developed loads for the .375 H&H with 270 grain TSX and the .338 WM with 200 grain E-Tips. The charge weights seem to be very similar to what you would use with RL 15 but with a bit higher velocities. Accuracy has been good. Seems like a great powder.
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Joined: Jul 2004
Posts: 3,133
Campfire Tracker
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Campfire Tracker
Joined: Jul 2004
Posts: 3,133 |
Yep you can use RE 15 data to start
If you find yourself in a hole....quit digging
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Joined: Jul 2001
Posts: 60,161 Likes: 13
Campfire Kahuna
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Campfire Kahuna
Joined: Jul 2001
Posts: 60,161 Likes: 13 |
Haven't had a chance to try it yet--but haven't found any of the Alliant Reloder series advertised as temp-stable to not be exactly --at least to the present apparent limits of the technology.
Mentioned in another recent thread that I haven't tested ANY rifle powder that doesn't gain some velocity (and hence pressure) at temperatures above about 80 F.--but that temp-resistant powders tend to gain less.
“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 2018
Posts: 1,390
Campfire Regular
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Campfire Regular
Joined: Jan 2018
Posts: 1,390 |
I'm about to work it up in a 250gr Whelen load that will get used here in 105 degrees and then used in Alaska late next month at maybe 20 degrees. Will report.
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Joined: Jun 2019
Posts: 2,518
Campfire Regular
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Campfire Regular
Joined: Jun 2019
Posts: 2,518 |
I have made a couple trips to the range with RL-15.5 in the .308 with 155 Scenar L. I am trying to replicate my Varget load since I can't seem to find Varget. Impressions so far: - It is extremely bulky. An equivalent weight of 15.5 takes up a lot more case space than Varget. - Accuracy seems excellent so far. - I have not yet achieved my same Varget velocity. Been carefully working up and it looks like it's going to take a very compressed load of 15.5 to equal the 2800-ish FPS a just-under-max Varget was producing in my 20" .308 barrel.
If you would give up 100 FPS to get a sub 0.5 MOA group versus a sub 1.0 MOA group, it might be perfect for this combo, 'cause that's what it's doing. I have not shot any heavier bullets in the 308, and really don't intend to, but it might really shine there.
Hoping for great things in the 9.3x62, and .375 H&H - anybody worked with those? PP2000MR has been so stellar in my 35 Whelen AI that I hesitate to mess with it there, but then again, the 15.5 may be a lot more temp stable - maybe worth a try.
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Joined: Apr 2009
Posts: 1,017
Campfire Regular
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Campfire Regular
Joined: Apr 2009
Posts: 1,017 |
I bought a can to try in .308 Win, but to use with 180 gr bullets. Because it's a little slower than RL 15, I think it's more likely to work better with heavier bullets in a .308 Win. Alliant .308 Win data is for 180 gr and heavier bullets.
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Joined: Jun 2019
Posts: 2,518
Campfire Regular
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Campfire Regular
Joined: Jun 2019
Posts: 2,518 |
I have run this powder in the .308, .338-06, 35 Whelen AI, and 9.3x62, and all of that experience has suggested its combination of bulkiness and burn rate might be near perfect for lighter weight bullets in the 30-06. In all of the above, it was a struggle to get enough powder in the case to get the best of it. Today I finally got to the range with some 155 Scenars loaded over RL15.5 in my JC Higgins M50 30-06 (CCI 200, .010" off the lands, R-P brass). This rifle tends to develop max velocities at a grain or two below the published "max", and thus, that's where I tend to stop. And I will certainly "stop" right here (at 54 grains). This needs to be shot a couple more times to validate it's not just a fluke but it bears all the earmarks of a perfect combination - groups tighten as one approaches max and velocity variations diminish. Of course, SD is essentially meaningless for 3-shot groups, but these results scream for much more work. I'm going to also post this to the other RL 15.5 discussion threads we have going here. I am thinking 30-06 165 grain bullets might also do nice with 15.5. Cheers, Rex
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Joined: Apr 2011
Posts: 15,314 Likes: 2
Campfire Ranger
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Campfire Ranger
Joined: Apr 2011
Posts: 15,314 Likes: 2 |
Semper Fi
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Joined: Jan 2018
Posts: 1,390
Campfire Regular
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Campfire Regular
Joined: Jan 2018
Posts: 1,390 |
I keep meaning to test these RL15.5 loads I worked up in August in some cold weather, but I've been too lazy. Has anyone else?
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Joined: Aug 2010
Posts: 48,113 Likes: 12
Campfire 'Bwana
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Campfire 'Bwana
Joined: Aug 2010
Posts: 48,113 Likes: 12 |
I have run this powder in the .308, .338-06, 35 Whelen AI, and 9.3x62, and all of that experience has suggested its combination of bulkiness and burn rate might be near perfect for lighter weight bullets in the 30-06. In all of the above, it was a struggle to get enough powder in the case to get the best of it. Today I finally got to the range with some 155 Scenars loaded over RL15.5 in my JC Higgins M50 30-06 (CCI 200, .010" off the lands, R-P brass). This rifle tends to develop max velocities at a grain or two below the published "max", and thus, that's where I tend to stop. And I will certainly "stop" right here (at 54 grains). This needs to be shot a couple more times to validate it's not just a fluke but it bears all the earmarks of a perfect combination - groups tighten as one approaches max and velocity variations diminish. Of course, SD is essentially meaningless for 3-shot groups, but these results scream for much more work. I'm going to also post this to the other RL 15.5 discussion threads we have going here. I am thinking 30-06 165 grain bullets might also do nice with 15.5. Cheers, Rex Looks like a good shooting old rifle. You can definitely see the better node. I have to ask, why did Aliant think they needed to manufacture a new powder, especially one with a weird #? I'm also wondering if it is worth the so called "struggle" to get it in the case? Were you using a long drop tube? If a powder is causing any kind of "struggle", I tend to move on. I'm thinking 4064 would be worth considering, if you want to run light bullets in your old 06..
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
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Joined: Nov 2002
Posts: 33,741 Likes: 5
Campfire 'Bwana
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Campfire 'Bwana
Joined: Nov 2002
Posts: 33,741 Likes: 5 |
My LGS has it but I bought a 5 pounder of RL-15 about a year ago so passed.
Conduct is the best proof of character.
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Joined: Jun 2019
Posts: 2,518
Campfire Regular
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Campfire Regular
Joined: Jun 2019
Posts: 2,518 |
Yes bsa, I did use a drop tube to get it in the 35 WAI and 9.3x62. But this 30-06 load was a perfect fill just pouring it into the case.
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