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Post by Quick Draw McGraw on Mar 21, 2017 20:30:34 GMT -5
Well shipped it off to New Hampshire this afternoon. Interested to hear Ruger's take on this. I spoke to Jack Huntington and he suggested hay me using mainly 300 grain bullets may be too light and contributing to the problem. Honestly, I use them because they are easy to find locally. I guess it's time to get some heavy metal! \m/ 😎 \m/
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COR
.375 Atomic
Posts: 1,522
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Post by COR on Mar 22, 2017 14:31:59 GMT -5
I'm sure Ruger will take care of this but as far as 300grs being too light for a .454 I'd remind you that the 454 was (and is) hated by some due to the use of the 260 grainers as the "standard" weight. I'm not trying to discourage using lead, I just wouldn't throw out all my 300 grainers based on that input as that weight is a very commonly used one.
Just curious, how does it shoot with that forcing cone?
I'm also going to mention something regarding the XTP round you mention.... The .45 300 grain comes in a MAG version with a heavier jacket as well as a standard XTP. Not sure if it matters, but my understanding was that jacket was done for rounds like a .454 so that shouldn't cause any undue wear.
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Post by frankenfab on Mar 22, 2017 14:50:39 GMT -5
The reason for the thicker jacket on the XTP mags is so the jacket doesn't shear off and stick in the barrel.
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Post by Encore64 on Mar 22, 2017 15:01:19 GMT -5
I'm sticking with COR and Frankenfab, still believe it to be Lil Gun powder. Its too similar to other guns I've seen damaged by it. Also, reports say it doesn't take many rounds to cause lots of damage.
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Post by Quick Draw McGraw on Mar 22, 2017 16:53:01 GMT -5
Well, I'm gonna preface this by stating most of you here have more knowledge and experience on the subject than I do. And for the record, I am indeed using the XTP Mag 300 grain bullets. I don't doubt that this could play a role, but I don't think Jack was saying it was the only factor. I think the Lil' Gun is definitely playing a role here, though I've only used it in 200 rounds of reloads. Jack concurs that the Lil' Gun is adding to or creating the issue as well. Tough to say, but I think that there is more than one contributing factor. Jack stated part of it could be the high pressures of the cartridge. Makes sense to me. Lil' Gun, light(-ish) bullets, super high pressures; could be the recipe for aggressive erosion.
As to how it's shooting, it's shooting great. Accuracy is excellent. If I hadn't seen the erosion when cleaning, I'd have not had a clue to there being any issue.
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Post by Encore64 on Mar 22, 2017 16:56:39 GMT -5
I've heard of problems after 50 rounds.
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Post by Quick Draw McGraw on Mar 22, 2017 17:10:50 GMT -5
I've heard of problems after 50 rounds. I wish I could say I'm surprised, but given what I've heard here and on other forums I completely believe it. So, since I'm borrowing Dad's Marlin in .357 Mag, the rest of the Lil' Gun is getting loaded for that rifle.
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Post by Encore64 on Mar 22, 2017 17:55:08 GMT -5
Its absolutely magical in the 357 Magnum rifles. In my 20" Marlin I can push a 158 grn XTP at 2050 fps with low, low pressure.
You will love that combination...
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Snyd
.375 Atomic
The Last Frontier
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Post by Snyd on Mar 25, 2017 13:53:50 GMT -5
... Lil' Gun, light(-ish) bullets, super high pressures; could be the recipe for aggressive erosion.... This ^^^^^^ I've got several hundred rounds of max 455gr LilGun loads in my 500L with no barrel face or forcing cone erosion. Also hundreds of 12- 1300fps 355gr LiGun loads in my 4" 454 Redhawk with no issues.
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Post by BigBore44 on Apr 11, 2017 6:58:15 GMT -5
QDM Any news on your SRH, from Ruger?
BigBore44
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Post by zeus on Apr 11, 2017 7:07:27 GMT -5
Also curious whatever happened. The Lil'Gun issue is real and can happen really fast with the right load. Also expends more heat than other loads to the gun from the testing I've seen years ago. I quit using it probably 11 years or so ago. As far as loads for the 454, the 300 is definitely NOT too light. You just need to change loads. I shot around 14-15K rounds through one of my 7.5" FAs that were all either 32 grains 296 with a 300 XTP mag or 36 grains 296 with a 260 FA JFP. Never had a days trouble with either loads or the gun. Still use both loads in my 10" version today.
I bet what Jack was saying was that the 300 grain bullet may be too light for the load you're trying to use. Another powder may be better for that combination of bullet/velocity goal. I never used Lil'Gun in a 454. Only the 480 when they first popped up in about 2000-2001 and then used some of that can trying it with heavy 41 mag loads a few years later. Still have half a can. Ha
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dmize
.401 Bobcat
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Post by dmize on Apr 11, 2017 7:31:15 GMT -5
I tried it with my 480 when it first came out. Only thing it did for me that H110 didn't was heat the gun up really quickly. I still have about 3/4 of that can left.
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f3
.30 Stingray
Posts: 412
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Post by f3 on Apr 11, 2017 9:20:17 GMT -5
LilGun is magic in the 22 Hornet. But it may have caused problems in my Encore as well. When I got the barrel new there was a couple of very faint machining marks in the first inch of rifling.You had to get the barrel at just the right angle in the light to see them. A couple hundred LilGun loads and they are now easily visible pits.
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Post by Quick Draw McGraw on Apr 11, 2017 12:35:13 GMT -5
Hey guys! Okay so I got the SRH back last Thursday. They had adjusted the barrel according to the worksheet. When i called to ask for details, the notes in Ruger's system said they adjusted the barrel gap. The face of the forcing cone is once again smooth,so I believe they did what David Bradshaw said. Meaning they pulled the barrel added a thread, and polished the barrel face. I measure and the barrel is now about 1/16th of an inch shorter.
Looks good and shot pretty well this weekend. I will upload pictures of the forcing cone later.
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Post by Quick Draw McGraw on Apr 11, 2017 22:28:43 GMT -5
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