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January 17, 2010, 08:51 PM | #1 |
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Join Date: January 17, 2010
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looking for a slow 44mag load for rifle
Hello all,
Would anybody have a load for a ruger M77 44mag bolt gun that is subsonic? The gun has an 18inch barrel and 1in20 inch twist, i'm told that it will stabilise 240gn proj. running subsonic but probably not heavier proj. unless barrel is faster twist. Anyway, I thought that trail boss would be a good powder for this. Thanks for help, drew here is the nice little rifle... Last edited by drew2; January 17, 2010 at 11:43 PM. Reason: add picture |
January 17, 2010, 09:18 PM | #2 |
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Join Date: December 20, 2008
Location: Somewhere on the Southern shore of Lake Travis, TX
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Nearly any .44 special load or "cowboy action" .44 mag load should be sub-sonic out of a rifle.
Believe it or not, that extra foot and a half of rifle barrel only adds about 150-200 fps to the velocity obtained with a pistol when shooting .44 special equivilent loads. Fast burning pistol powders are completely burned up in a pistol barrel. |
January 17, 2010, 10:54 PM | #3 | |
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Join Date: January 4, 2009
Location: Minneapolis
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Quote:
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"Our knowledge increases each year. Yet what we know is as trivial as a whisper in a vast desert." - Robert A. Pinker, "Understanding Firearm Ballistics" |
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January 17, 2010, 11:33 PM | #4 |
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Join Date: January 17, 2010
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OK, that sounds good. I got the idea that i needed the 1:11" twist for the M77 ruger 44 mag from SRT website, but they just mention accuracy is improved.
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January 17, 2010, 11:34 PM | #5 |
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Join Date: August 8, 2009
Posts: 477
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make friends with the powder TRAILBOSS
quiet to |
January 18, 2010, 10:46 AM | #6 |
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Join Date: September 26, 2005
Posts: 941
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I agree with the Trail Boss recommendation.
Something else though--be careful if you use jacketed bullets because they can stick in the barrel much easier than cast lead if the load is too light. It would probably have to be a very, very light load, but still it's something to keep in mind. Mike |
January 18, 2010, 02:21 PM | #7 |
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Join Date: March 23, 2008
Posts: 61
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I have a buddy who swears by trailboss for his reduced .44Mag loads.
I don't know the specifics but out of an Ace Dube insert for his NEF handi rig, you can practically chase the thing down range |
January 22, 2010, 06:28 PM | #8 |
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Join Date: January 17, 2010
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I've got a heap of cast flat nose 240gn projectiles and decided to try some trail boss. I'm going to start some loads at 9.0gn and go up to 10.5gn. I'll use the chrony and put my targets at 50 metres. I'll post my results in case anyone interested, but unfortunately i won't get time to try this for a while.
Thanks, drew |
January 22, 2010, 07:42 PM | #9 |
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Join Date: January 10, 2010
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Hornady's got a "bunch" of cowboy loads for the 44
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January 23, 2010, 08:13 PM | #10 |
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Join Date: January 17, 2010
Posts: 5
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Thanks Whitedogone, I didn't see any loads on Hornady's website but did find some on Hodgdon's.
Hodgdon's website has some listed in the pistol section only: 240 GR. LSWC CAST, 6.0gn Trail Boss gives 828ft/s & 19,100 PSI; and 7.3gn Trail Boss gives 917 ft/s & 21,600 PSI as a maximum load. Looks like the loads which were suggested to me are much higher than what Hodgdon's website recommends, I'd better start much lower than 9.5gn I've seen a post on THR from someone using 9.0gn Trail Boss with 250gn Sierra proj, which were all around 1000fps |
January 23, 2010, 08:29 PM | #11 |
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Join Date: January 22, 2009
Location: Texas
Posts: 2,753
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You can use Unique, 231 or Universal for good reduced loads with lead bullets. Most of those powders will use a charge of around 9grs with a 240gr bullet. Like the other poster said don't do this with jacketed bullets or they may stick in the bore.
I have used 6grs of Red Dot or Bullseye for reduced loads in my blackhawk and Marlin 44 rifle. I don't know the speed but they are pleasant to shoot. Full power loads with the 357 and 44 mag will usually gain 300-400fps in a rifle length barrel. |
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