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Old 10-10-2006, 07:56 PM   #1
 
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Default Help...don't know what happened to accuracy

CVA kodiak magnum, 150gr shockeys gold, 300 gr shockwaves. Last 3 rounds were touching each 2" high at 50 yards. Moved to 100 yard range and they are evidently dropping below the target. Anyone have any ideas???
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Old 10-10-2006, 08:09 PM   #2
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Default RE: Help...don't know what happened to accuracy

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ORIGINAL: setter77

CVA kodiak magnum, 150gr shockeys gold, 300 gr shockwaves. Last 3 rounds were touching each 2" high at 50 yards. Moved to 100 yard range and they are evidently dropping below the target. Anyone have any ideas???
If the shots were in a 2" group at 50 yards, and then when you got to 100 yards they hits were "evidently dropping below the target" I would check my scope and mounts or my sights and sight screws first. After that I would get a larger piece of cardboard or back stopto shoot into and find out just where those hits are going, whether high or low.

Normally 2" high at 50 yards should still be relatively close at 100 yards.
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Old 10-10-2006, 08:09 PM   #3
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Default RE: Help...don't know what happened to accuracy

Are they hitting low? Or are you not sure where they hit? You also may want to look high... my Omega shoots higher at 100yds than it does at 50yds.
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Old 10-10-2006, 08:23 PM   #4
 
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Default RE: Help...don't know what happened to accuracy

I did check mounts everything was tight. The target I had was at the bottom of the backer and I could see no holes anywhere close that I could say were mine, the backer was shot up some but all were rifle bullets. I am going to try again tomorrow with a large empty paper around the target and see if I can figure it out. I thought 2" high at 50 would be right on the money at 100.

Side question: is my load a good match, provided I can get it on the paper?
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Old 10-10-2006, 08:44 PM   #5
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Default RE: Help...don't know what happened to accuracy

Quote:
ORIGINAL: setter77

I did check mounts everything was tight. The target I had was at the bottom of the backer and I could see no holes anywhere close that I could say were mine, the backer was shot up some but all were rifle bullets. I am going to try again tomorrow with a large empty paper around the target and see if I can figure it out. I thought 2" high at 50 would be right on the money at 100.

Side question: is my load a good match, provided I can get it on the paper?
150 grains of powder and a 300 grain Shockwave should take out anything you want to shoot all they way up to moose and elk. Personally, if you are sighting in for deer, cut it back to 100 grains and see what kind of accuracy you get with that and how the rifle behaves.

Large cardboard boxes work real good as a backing to spot hits when they are hard to find.
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Old 10-11-2006, 05:29 AM   #6
 
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Default RE: Help...don't know what happened to accuracy

The load is for elk. I will shoot it again this afternoon and let you guys know. Was just afraid I shot out the scope. Of course today everything will be fine and I will feel like an idiot, but I had to ask, you guys know alot more about ML's than I do. Thanks all who responded.
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Old 10-11-2006, 09:13 AM   #7
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Default RE: Help...don't know what happened to accuracy

If you can confirm that the shots are low, you likely have contaminated powder. Either the powder itself is contaminated, or there's something on your bore walls. No oils or lubes should be used with that powder. Only dry-swab whenever possible.

If none of the above are happening, then try a wonderwad between bullet and powder to dispel blowby, much stronger 209 primer like CCI-Mag or Federal 209A to increase granule burn volume, and moving down to 250 Shockwave to increase bullet speed.

None of what you're experiencing should be happening. I suspect bad/contaminated powder and/or large volume of granules wasted due to a combination of slow burn rate and weak primer to help ignite a large volume of it.

Lots of guessing here!

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Old 10-11-2006, 11:36 AM   #8
 
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Default RE: Help...don't know what happened to accuracy

A year or so back i put a scope on my muzzleloader. Biggest mistake i ever made! Shot beautiful at 25 yards and at 100, Bullets were no where to be found. I was going elk hunting during rifle season and after 20 shots, that scoped got ripped off, thrown in the shooting bag and then sighted it in with open sights. Got it on target that time. Only bad outcome of that year was i never saw an elk.. Well ok i lie, The only elk i saw was the elk some guy got minutes before i crested the hill [:@]. I also found at 25 yards and being head on with 150grains powder and 295 powerbelt, for some reason i was 2 FEET high at 100 yards. I think the scope must have been junk. Who knows, worked great on the 30-30.
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Old 10-11-2006, 12:35 PM   #9
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Default RE: Help...don't know what happened to accuracy

Quote:
I also found at 25 yards and being head on with 150grains powder and 295 powerbelt, for some reason i was 2 FEET high at 100 yards. I think the scope must have been junk. Who knows, worked great on the 30-30.
The bullet travels in an arch... and at 25yds the bullet is still traveling up... so it is possible you will hit lower at 25yds than you do at 100yds.

Like I said above.. my gun hits a couple inches higher at 150yds than it does 100yds. Don't ask me how.
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Old 10-12-2006, 06:42 PM   #10
 
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Default RE: Help...don't know what happened to accuracy

Kbacon you called it.

Got to the range today, it was shooting higher at 100 than it was at 50, seems odd but it was. Few adjustments and final shot was on but I am not confident my scope is good. Make adjustment and nothing happened first shot but the 2nd shot went where it should have gone with the adjustment. I cannot explain it but running out of time to get it dialed in with the new load before my hunt.
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