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trigger29
Optics Master Extraordinaire X = 180 Y = 90 (X+Pyro)+(Y-Pyro) = ? Joined: September/29/2007 Location: South Dakota Status: Offline Points: 4353 |
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Posted: October/11/2008 at 21:23 |
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I was out shooting the other day, and hit everything I shot at from 2-700 yards. It was calm with winds about 1-3 mph. I went out today with a new box of the same ammo, and everything hit low and right. Conditions about identical except 50 degrees instead of 70. Do you think the new box of ammo shot that different, or could the temperature change have caused such a big change? This seems like a big difference for this little temp. difference. I was about 8" right and a foot low at 400 yards. I should have backed up to 100 and checked my zero, but ran out of time. What do you think happened?
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"A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed." |
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pyro6999
Optics Retard OT TITAN Joined: December/22/2006 Location: North Dakota Status: Offline Points: 22034 |
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different lot of ammo, thats why i reload. factory ammo has to many factors that you cant control
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They call me "Boots"
375H&H Mag: Yeah, it kills stuff "extra dead" 343 we will never forget God Bless Chris Ledoux "good ride cowboy" |
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supertool73
Optics God Superstool Joined: January/03/2008 Status: Offline Points: 11814 |
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What time of day was it? In the morning and evening a person will
typically shoot different that during the middle of the day because of
the shadows and the way the sun goes across the target.
Temp can make a difference as well as does air pressure. Typically 1 single change will not make a huge difference. But when you start combining a lot of things big changes can start happening. |
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Lifetime warranty and excellent customer service don't mean a thing when your gun fails during a zombie attack.
"A Liberal is a person who will give away everything they don't own." |
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trigger29
Optics Master Extraordinaire X = 180 Y = 90 (X+Pyro)+(Y-Pyro) = ? Joined: September/29/2007 Location: South Dakota Status: Offline Points: 4353 |
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First day I shot from about 1:30 pm to 5:30. Today I went from 4-6:30. It was sunny the first time, and overcast today. It rained this morning if that matters.
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"A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed." |
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supertool73
Optics God Superstool Joined: January/03/2008 Status: Offline Points: 11814 |
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Humidity definitely will make a difference. It sounds like there were a lot of changes in your days. Combine that with the different lot of ammo I can see changes like that happening at longer distances.
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Lifetime warranty and excellent customer service don't mean a thing when your gun fails during a zombie attack.
"A Liberal is a person who will give away everything they don't own." |
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pyro6999
Optics Retard OT TITAN Joined: December/22/2006 Location: North Dakota Status: Offline Points: 22034 |
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i just messed with the atmospheric condition factors on my rem shoot program i screwed with the temp the humidity and the pressure and i went from 80degree and very little humidity to 50 degrees with a ton of humidity at 500yards and it only changed the poi by .3 inches i dont know how accurate that program is but thats what it came up with. i then cranked the heat way up with the high humidity and it dropped it a total of 6" at 500yds
Edited by pyro6999 - October/11/2008 at 21:59 |
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They call me "Boots"
375H&H Mag: Yeah, it kills stuff "extra dead" 343 we will never forget God Bless Chris Ledoux "good ride cowboy" |
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trigger29
Optics Master Extraordinaire X = 180 Y = 90 (X+Pyro)+(Y-Pyro) = ? Joined: September/29/2007 Location: South Dakota Status: Offline Points: 4353 |
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I see. Well I was consistantly right 8" at 400, or I assume 2" at 100. I just thought this seemed like a huge change even with a different lot number and different conditions. I really need to buckle down and save for my reloading setup. If I ever get my hours back, and start making money again, this will be first priority.
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"A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed." |
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pyro6999
Optics Retard OT TITAN Joined: December/22/2006 Location: North Dakota Status: Offline Points: 22034 |
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gun shows my man, buy the stuff used and go from there.
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They call me "Boots"
375H&H Mag: Yeah, it kills stuff "extra dead" 343 we will never forget God Bless Chris Ledoux "good ride cowboy" |
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trigger29
Optics Master Extraordinaire X = 180 Y = 90 (X+Pyro)+(Y-Pyro) = ? Joined: September/29/2007 Location: South Dakota Status: Offline Points: 4353 |
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I am just disheartened. I went from not being able to miss one day to not being able to hit my a$$ with both hands a few days later.
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"A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed." |
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trigger29
Optics Master Extraordinaire X = 180 Y = 90 (X+Pyro)+(Y-Pyro) = ? Joined: September/29/2007 Location: South Dakota Status: Offline Points: 4353 |
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I got powder, a press, some dies, and 300 bullets that my dad had from his dabbling in reloading, but I need a scale, and tumbler, and all that other stuff yet. After deer season is over I can stop shooting so much and save some. If I would have invested all my ammo money in equipment, I would have had a nice setup already.
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"A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed." |
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supertool73
Optics God Superstool Joined: January/03/2008 Status: Offline Points: 11814 |
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Air density will have the biggest effect of all those things. The moisture in the air from the rain earlier and the cooler temps will make the air thicker which will slow the bullet faster.
But it is hard to say what the exacts causes were. I am sure it was a combo of many things. That is why snipers log everything for every shot. Time of day, direction of the sun, humidity, air pressure, temp, lot of ammo, elevation, ect, ect, ect. |
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Lifetime warranty and excellent customer service don't mean a thing when your gun fails during a zombie attack.
"A Liberal is a person who will give away everything they don't own." |
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supertool73
Optics God Superstool Joined: January/03/2008 Status: Offline Points: 11814 |
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Here is a good article on atmospheric conditions. http://demigodllc.com/articles/windmeters-for-tactical-shooting/
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Lifetime warranty and excellent customer service don't mean a thing when your gun fails during a zombie attack.
"A Liberal is a person who will give away everything they don't own." |
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Dale Clifford
Optics Jedi Knight Joined: July/04/2004 Location: United States Status: Offline Points: 5087 |
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its a common mistake that humidity causes denser air, it this were true clouds wouldn't float-- breifly water has an atomic wt. of 18, but both nitrogen and oxygen are diatomic and much heavier. also because the faster a bullet goes the ballistic coefficient increases, so the differential rate of change doesn't drop off faster as indicated in Smiths article wind meters are a waste of time. a bright target will cause a shooter to "aim high" as the perspective changes. low light causes the opposite, combine this with a change in the bc of the two bullets you were using would be a good guess. even though the packages are marked with the same bullet it really doesn't mean they are the "same" in factory ammo Edited by Dale Clifford - October/12/2008 at 11:17 |
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pyro6999
Optics Retard OT TITAN Joined: December/22/2006 Location: North Dakota Status: Offline Points: 22034 |
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ive got a spare balance beam scale i would be glad to send you if that helps any
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They call me "Boots"
375H&H Mag: Yeah, it kills stuff "extra dead" 343 we will never forget God Bless Chris Ledoux "good ride cowboy" |
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Sgt. D
Optics Master Extraordinaire Joined: February/20/2008 Location: North Carolina Status: Offline Points: 4525 |
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Thanks Dale!
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Take care of Soldiers, Show em how its done and do it with em, Run to the Fight & and hold your ground! I die my men go home! If you're a NCO and this ain't you. GET OUT! GOD BLESS AMERICA!
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trigger29
Optics Master Extraordinaire X = 180 Y = 90 (X+Pyro)+(Y-Pyro) = ? Joined: September/29/2007 Location: South Dakota Status: Offline Points: 4353 |
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That's appreciated Hunter, but I can't ask somebody else to finance my addiction. I'll get there eventually. Probably after deer season, before it starts getting warm enough to shoot again.
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"A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed." |
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pyro6999
Optics Retard OT TITAN Joined: December/22/2006 Location: North Dakota Status: Offline Points: 22034 |
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im always willing to contribute to bad habits!
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They call me "Boots"
375H&H Mag: Yeah, it kills stuff "extra dead" 343 we will never forget God Bless Chris Ledoux "good ride cowboy" |
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Steelbenz
Optics Jedi Knight ROLL TIDE ROLL Joined: January/03/2006 Location: Heart of Dixie Status: Offline Points: 5153 |
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[/QUOTE]
im always willing to contribute to bad habits! [/QUOTE]Hunter, You da Man!!!! Jason, you got it right, it an ADDICTION not just a habit!!! |
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"Don't argue with a fool! From a distance you can't really tell who's who!"
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Tip69
Optics Master Extraordinaire Tip Stick Joined: September/27/2005 Location: Nebraska Status: Offline Points: 4155 |
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Jason, where do you get most of your ammo?
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take em!
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trigger29
Optics Master Extraordinaire X = 180 Y = 90 (X+Pyro)+(Y-Pyro) = ? Joined: September/29/2007 Location: South Dakota Status: Offline Points: 4353 |
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Been buying all of it at my local sporting goods store. Of all people here, maybe you have heard of Dakota Archery and Outdoor Sports?
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"A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed." |
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