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Bullet Drop Question

 
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2lumpy
(2891 posts)
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Sep-12-17, 
06:06 PM (MST)
"Bullet Drop Question"

LAST EDITED ON Sep-12-17 AT 06:08 PM (MST)

I purchased a slightly used Knight Disc (orange) 50 cal. muzzleloader last fall and decided I'll take it out and warm it up this afternoon, just to see what it might do. Mounted a Leupold 3 x 9 Vari x III scope on it.

I loading a 45 Hornady in .452 grain bullet, in a Harvestor Crush Wall sabot, on top of 90 grains of Blackhorn 209 powder.

I zeroed it at 100 yards, averaging 11 inches drop at 200 yards and 41 inches drop at 300 yards.

My question for our inline muzzleloader specialists: Are those drop numbers about what you'd expect from this configuration?


Thanks for your input.

DC

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  Table of Contents  

 Subject   Author   Message Date   ID 
 RE: Bullet Dro...  elkassassin      Sep-12-17   1 
  RE: Bullet Dro...  Mbogo      Sep-12-17   2 
   RE: Bullet Dro...  elkantlers      Sep-12-17   3 
  RE: Bullet Dro...  2lumpy      Sep-12-17   4 
   RE: Bullet Dro...  2lumpy      Sep-12-17   5 
   RE: Bullet Dro...  elkassassin      Sep-12-17   6 
    RE: Bullet Dro...  2lumpy      Sep-12-17   7 
     RE: Bullet Dro...  2lumpy      Sep-12-17   8 
      RE: Bullet Dro...  elkassassin      Sep-13-17   9 
       RE: Bullet Dro...  RELH      Sep-13-17   10 
        RE: Bullet Dro...  2lumpy      Sep-13-17   11 
         RE: Bullet Dro...  RELH      Sep-13-17   12 
 RE: Bullet Dro...  eelgrass      Sep-14-17   13 
  RE: Bullet Dro...  2lumpy      Sep-14-17   14 
   RE: Bullet Dro...  2lumpy      Sep-14-17   15 
    RE: Bullet Dro...  RELH      Sep-14-17   16 
     RE: Bullet Dro...  2lumpy      Sep-14-17   17 

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elkassassin
(15856 posts)
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Sep-12-17, 
08:05 PM (MST)
1. "RE: Bullet Drop Question"


Hey Lumpy!

Sounds about Right for a Bullet that Heavy!

My 338 Grain Bullet with 90 Grains of BH 209 Drops about 27"-28" at 250 Yards!


Back Me Off to 1,700 Yards,650 is a Little Close & I'm Not Comfortable with it!

A GUT SHOT at 1,700 Yards will Still Make Some Good BRAGGIN Rights so I Can Say I At Least Hit Him!

https://www.youtube.com/watch?v=0OsWQNYfEYo

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Mbogo
(335 posts)
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Sep-12-17, 
08:25 PM (MST)
2. "RE: Bullet Drop Question"

LAST EDITED ON Sep-12-17 AT 08:27 PM (MST)

What bullet weight?
I believe you stated the bullet diameter instead?

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elkantlers
(2040 posts)
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Sep-12-17, 
08:32 PM (MST)
3. "RE: Bullet Drop Question"

That is what you can expect. Probably about 1800fps Muzzle. They will start dropping like rocks past 150yds.

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2lumpy
(2891 posts)
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Sep-12-17, 
08:36 PM (MST)
4. "RE: Bullet Drop Question"

Thanks BC. I was thinking you'd have some kind of statistic on the subject.

I figured, based on what little I know about physics and gravity, 90 grains of 209 and a 300 grain bullet should be dropping about the same distance, regardless of the barrel it was coming out of, barring a lot of blow by or a barrel to short to use all of the energy created.

Any other inches of drop experience, with a similar set up would be appreciated.

Hey, BobCat, what kind of hunts are you going on this fall. Have you got any outings planned with family or friends. Any down this way?

Maybe we'd be more productive heading over to Green River and do a little prospecting for Brother Fenn's bronze larder, what d'ya think? Couldn't be much less productive, see'in as how your elk rifle ain't going no where this year. 42 pounds, Sept 12, 2017, $1,348.70 an oz. How much is that bull elk you been "seeking" worth?

DC

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2lumpy
(2891 posts)
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Sep-12-17, 
08:43 PM (MST)
5. "RE: Bullet Drop Question"

Sure did Mbogo, and it would matter. They are 300 grains.

That said, all things fall at the same speed but heavier bullets move slower, using the same powder etc. and therefore all fall further because it takes them longer to get out to 300 yards than a lighter weigh bullet would take.

Or at least thats my understanding of how it works.

Thanks
DC

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elkassassin
(15856 posts)
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Sep-12-17, 
08:48 PM (MST)
6. "RE: Bullet Drop Question"

>Thanks BC. I was thinking
>you'd have some kind of
>statistic on the subject.
>
>I figured, based on what little
>I know about physics and
>gravity, 90 grains of 209
>and a 300 grain bullet
>should be dropping about the
>same distance, regardless of the
>barrel it was coming out
>of, barring a lot of
>blow by or a barrel
>to short to use all
>of the energy created.
>
>Any other inches of drop experience,
>with a similar set up
>would be appreciated.
>
>Hey, BobCat, what kind of hunts
>are you going on this
>fall. Have you got
>any outings planned with family
>or friends. Any down
>this way?
>
>Maybe we'd be more productive heading
>over to Green River and
>do a little prospecting for
>Brother Fenn's bronze larder, what
>d'ya think? Couldn't be
>much less productive, see'in as
>how your elk rifle ain't
>going no where this year.
> 42 pounds, Sept
>12, 2017, $1,348.70 an oz.
> How much is that
>bull elk you been "seeking"
>worth?
>
>DC

Hey Lumpy!

Be Doing some General PISSCUTTIN on the Muzz/Rifle!


If The StickFlippers Keep Wounding Bucks there won't be many left!

Ya!

We need to Locate the Treasure!

Back Me Off to 1,700 Yards,650 is a Little Close & I'm Not Comfortable with it!

A GUT SHOT at 1,700 Yards will Still Make Some Good BRAGGIN Rights so I Can Say I At Least Hit Him!

https://www.youtube.com/watch?v=0OsWQNYfEYo

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2lumpy
(2891 posts)
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Sep-12-17, 
09:26 PM (MST)
7. "RE: Bullet Drop Question"

Have you checked the "harvest ratios' now days. Staggering. Dang, we are getting good at it.

DC

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2lumpy
(2891 posts)
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Sep-12-17, 
09:34 PM (MST)
8. "RE: Bullet Drop Question"

We find the larder, we could buy more Bitcoin! Course I know you're already setting on a few thousand, eh? Bought for $27 in 09. At $4,100, don't you think it's about time to cash a few in?

DC

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elkassassin
(15856 posts)
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Sep-13-17, 
02:53 AM (MST)
9. "RE: Bullet Drop Question"

>We find the larder, we could
>buy more Bitcoin! Course
>I know you're already setting
>on a few thousand, eh?
> Bought for $27 in
>09. At $4,100, don't
>you think it's about time
>to cash a few in?
>
>
>DC

You'd Best Cash them in Lumpy!


Back Me Off to 1,700 Yards,650 is a Little Close & I'm Not Comfortable with it!

A GUT SHOT at 1,700 Yards will Still Make Some Good BRAGGIN Rights so I Can Say I At Least Hit Him!

https://www.youtube.com/watch?v=0OsWQNYfEYo

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RELH
(13209 posts)
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Sep-13-17, 
06:38 PM (MST)
10. "RE: Bullet Drop Question"

If you are only dropping 11 inches at 200 when sighted in for 100 yards, your muzzle velocity is over 1900 fps with that bullet.
I did a ballistic check for a 300 gr. .452 dia round nose bullet at 1900 fps. The drop at 200 yards was 13-1/4 inch. You may be around 2000 fps at the muzzle.

RELH

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2lumpy
(2891 posts)
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Sep-13-17, 
09:33 PM (MST)
11. "RE: Bullet Drop Question"

I've read guys reports that say they are getting around 2000 ftp. so that sounds about right.

I'm not a precision shooter (or precision anything else) so I deal in "abouts". An inch or two up or down, between 100 and 200 yards, works for the shooting I expect to do. I hear folks say they are shooting 3/4 inch patterns at 100 yards but this ole boy can't do it, even if the rifle can. So........ 11 inches or 13-1/4 inches at 200 yds, is "close enough" for me.

I'm going to play with zeroing (meaning "about" zero) at 200 yards, just for giggles. Then check the drop at 300 yards. I'm guessing it's going to fall about 30 inches, give or take a couple, but we shall see.

Dang I love being retired!!!

Thanks for sharing your insights gents.

DC

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RELH
(13209 posts)
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Sep-13-17, 
11:55 PM (MST)
12. "RE: Bullet Drop Question"

2lumpy, using the ballistic calculator again. Your drop at 250 yards will be around 24 inches and drop at 300 yards will be around 41 inches. That is with your original 100 yard sight in.

RELH

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eelgrass
(20049 posts)
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Sep-14-17, 
08:57 AM (MST)
13. "RE: Bullet Drop Question"

"I'm not a precision shooter (or precision anything else)"

Oh DC, you and I are much alike.

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2lumpy
(2891 posts)
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Sep-14-17, 
12:12 PM (MST)
14. "RE: Bullet Drop Question"

And it's a virtue!

DC

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2lumpy
(2891 posts)
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Sep-14-17, 
12:23 PM (MST)
15. "RE: Bullet Drop Question"

I'd say the calculator and my field results are very similar REHL.

On your calculator, what does it say the drop will be, if I zero at 200 yards, and shoot from 300 yards out. In my simple mind, I'm expecting it to be a 28-30" drop.

You run the math/calculator, when it quits raining and the mud drys up at my range, I'll do a field test, and we'll compare again.

Thanks
DC

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RELH
(13209 posts)
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Sep-14-17, 
01:44 PM (MST)
16. "RE: Bullet Drop Question"

Ok here is your ballistics for a sight in at 200 yards. I should send you a bill for this.

Yards
50 +4.18
100 +6.23
150 +5.06
200 0
250 -9.76
300 -25.14

At 300 yards your velocity will be down to 1147 fps and your energy will be down to 876 pounds.

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2lumpy
(2891 posts)
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Sep-14-17, 
02:28 PM (MST)
17. "RE: Bullet Drop Question"

Mmmm...... I really like that set of numbers. What's the price, I may want to buy them.

Thanks, I'll report back on the field results.

DC

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