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Shootin the .58

Old 08-24-2020, 08:55 AM
  #1  
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Default Shootin the .58

This is the first time out shooting the .58 at 100 yards (actually about 115 yards). My first shot hit below photo so I elevated the rear sight. Shot 2 more and those were the 2 to the right. After a slight tapping of the rear sight to the left I fired the next 3 shots. I'm pretty happy with the way it was shooting. Load was 110 gr of Pyro RS, pillow ticking patch with olive oil as lube and .570 round ball. Swabbing between shots was done with one spit patch both sides then a dry patch.
An interesting note was when I started shooting I took one shot at 50 yards and saw that I was dead on. Then shot that first shot noted above at 100 hitting about 6" low. Sighted in as above and when I was all done I took another shot at 50 yards and hit only 1" high. I didn't think of it until now but maybe I should have took a shot or 2 at 75 yards to see my POI.
Note: smaller hole was from my .45-70 that I was also sighting in on another target well below this one.
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Old 08-24-2020, 02:20 PM
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I sight my .58 to be 1.5" high at 50 yards, which puts me pretty close to dead on at 75 and about 2" low at 100. My load is 120 grains of 2f with a 575 ball and a mink oil lubed .015 patch. I'm shooing a Bobby Hoyt re-bored Browning Mountain rifle with a 30" barrel.
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Old 08-24-2020, 03:32 PM
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Originally Posted by Fyrstyk54 View Post
I sight my .58 to be 1.5" high at 50 yards, which puts me pretty close to dead on at 75 and about 2" low at 100. My load is 120 grains of 2f with a 575 ball and a mink oil lubed .015 patch. I'm shooing a Bobby Hoyt re-bored Browning Mountain rifle with a 30" barrel.
That's really comparable to my experience today. 1" high at 50 and dead on at 100. The slight difference is likely due to a bit more velocity with the Pyrodex.
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Old 08-24-2020, 03:45 PM
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Here's a .58 velocity study I did years ago you guys may find interesting.

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Old 08-24-2020, 06:06 PM
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Originally Posted by Semisane View Post
Here's a .58 velocity study I did years ago you guys may find interesting.

That is surprising based on the shooting results of myself and Fyrstyk as my load of 110 gr of Pyrodex RS appears to shoot flatter than his 120 gr load of Goex FFg. Only difference is I'm shooting a .570" vs your and his .575" ?!?!
Maybe its my Extra Virgin Olive Oil is a little slicker than that Not So Virgin Olive Oil you use.............?????????????

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Old 08-25-2020, 05:55 AM
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There are so many variables involved that comparison between guns and loads can only be a generalization. Things such as differences in temperature and humidity, the amount of lube on the patch, barrel temperature, the degree of compression when seating the ball, etc. all play a part in velocity results. Sometimes I think the results you get when wearing jeans at the bench are different than what you get when wearing shorts. And velocity results obtained within three days of a full moon are worthless.
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Old 08-25-2020, 09:13 AM
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Originally Posted by Semisane View Post
There are so many variables involved that comparison between guns and loads can only be a generalization. Things such as differences in temperature and humidity, the amount of lube on the patch, barrel temperature, the degree of compression when seating the ball, etc. all play a part in velocity results. Sometimes I think the results you get when wearing jeans at the bench are different than what you get when wearing shorts. And velocity results obtained within three days of a full moon are worthless.
LMAO......I'm sure glad you said jeans and shorts. I wouldn't want you to shoot a muzzy naked. Not only would you contaminate the bench but also if one of those hot ember blows into the nether regfions it could be painful!
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