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Author Topic: muzzy trajectory?  (Read 6355 times)

Offline splitshot

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muzzy trajectory?
« on: October 08, 2012, 09:55:39 PM »
i shoot a 50 cal with a 285 gr bullet and 120 gr of powder.   at 50 yards it is about 2 in high.  where will i be at 100, 150 and 200 yards?   mike w

Offline Duffer

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Re: muzzy trajectory?
« Reply #1 on: October 08, 2012, 11:05:59 PM »
Need to know at minimum which bullet!

at least for a rough estimate
-Duffer
Camano Island

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Offline Sabotloader

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Re: muzzy trajectory?
« Reply #2 on: October 09, 2012, 08:11:47 AM »
i shoot a 50 cal with a 285 gr bullet and 120 gr of powder.   at 50 yards it is about 2 in high.  where will i be at 100, 150 and 200 yards?   mike w

Which powder?  Makes a lot of difference in velocity...  Bullet... is it a powerbelt and if so which one...
Keep shooting muzzleloaders - They are a blast!!

Offline sirmissalot

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muzzy trajectory?
« Reply #3 on: October 09, 2012, 09:06:01 AM »
Go shoot it and see

Offline coachcw

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Re: muzzy trajectory?
« Reply #4 on: October 09, 2012, 04:24:34 PM »
throw a rock and map the trajectory  :chuckle:

Offline jechicdr

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Re: muzzy trajectory?
« Reply #5 on: October 09, 2012, 08:35:45 PM »
Suspect your 25 yard aim will hit 100 yard as rule of thumb.  Don't think you'll get a big difference in trajectory from bullet to bullet or gun to gun unless you are really light on powder or really heavy on projectile.  Out past 100 yards, would suspect larger differences.

Offline Elk whack master

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Re: muzzy trajectory?
« Reply #6 on: October 10, 2012, 11:58:56 PM »
throw a rock and map the trajectory  :chuckle:

 :o
 TOO FUNNY!!! :chuckle: :chuckle: :chuckle:
Take a back road!

Chew tobacco, chew tobacco, chew tobacco, SPIT !!!

Offline Duffer

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Re: muzzy trajectory?
« Reply #7 on: October 11, 2012, 02:51:35 AM »
With a wheelbarrow full of assumptions such as the only bullet I could find at 285grains is the Barnes Spitfire:

50yds = 1.9"
100yds = 1.7"
150yds = -2.9"
200yds = -12.6"
-Duffer
Camano Island

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Offline gadwall

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Re: muzzy trajectory?
« Reply #8 on: October 11, 2012, 06:19:16 AM »
Go shoot it and see

 :yeah:There is no substitute for shooting at various distances to build your confidence.
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Offline CP

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Re: muzzy trajectory?
« Reply #9 on: October 11, 2012, 07:15:23 AM »
Mine looks like this when sighted in at 100Y, 300g bullets, 100g of triple 7:




Offline jechicdr

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Re: muzzy trajectory?
« Reply #10 on: October 11, 2012, 07:56:39 PM »
Like I said, 25 and 100 ballpark.

Offline Jonathan_S

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Re: muzzy trajectory?
« Reply #11 on: October 19, 2012, 09:59:59 AM »
With a wheelbarrow full of assumptions such as the only bullet I could find at 285grains is the Barnes Spitfire:

50yds = 1.9"
100yds = 1.7"
150yds = -2.9"
200yds = -12.6"

I wonder what groups would look like with this   :chuckle:

Kindly do not attempt to cloud the issue with too many facts.

Offline Chukarhead

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Re: muzzy trajectory?
« Reply #12 on: October 19, 2012, 07:14:40 PM »
With a wheelbarrow full of assumptions such as the only bullet I could find at 285grains is the Barnes Spitfire:

50yds = 1.9"
100yds = 1.7"
150yds = -2.9"
200yds = -12.6"

I wonder what groups would look like with this   :chuckle:

Like a bunch of holes in a piece of paper.   :tup:

Offline splitshot

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Re: muzzy trajectory?
« Reply #13 on: October 19, 2012, 09:42:10 PM »
thanks guys for the info ,it is very helpful.  i shoot triple 7 120 gr. and  a 285 gr. bullet with a green plastic deal around the butt.  can i change to 100 gr of powder and still kill a deer?  my load just bruises my arm bad.  can i put a muzzle break on my muzzy?  mike w

Offline Duffer

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Re: muzzy trajectory?
« Reply #14 on: October 19, 2012, 11:07:54 PM »
Reasonably good chance that your accuracy will improve with a lesser charge!  :)

Lots start 'tuning' loads at 80 grains and then bump up 10 grains at a time until the group starts to worsen, often at 100-ish grains.

exa: You can drop a deer with a round ball and 60 grains! You'd just have to be fairly close to it.

I'll add that you can install a good recoil pad or drill weight into the butt to take the sting out of it also.
Some powders don't hit as hard either. Don't quote me (cuz I'm just learning too) but Goex (regular black powder) 'explodes' slower and as such pushes the shoulder rather than punching it.
-Duffer
Camano Island

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