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Opening Chokes?
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Jay Gardner
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 Posted: Wed Jan 19th, 2005 12:30 am

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In November I bought a 12 ga. DH with 30" damascus barrels.  The gun is in pretty good condition and is currently in the possession of the good Dr. Gaddy for a little clean-up.  The gun is pretty much your standard 1889 #1 Frame DH with the exception of the chokes; right barrel = Full, left barrel = Mod.  I have been told that this was not uncommon for guns to be used for waterfowl, the idea being waterfowl coming into a spread may actually get closer after the first shot, but before they flare.

The questions is do I keep the chokes original?  I think I would find IC/IM a little more practical but I could just train myself to pull the back trigger first and then move to the front trigger (if necessary :cool:).  So what say the Parker "experts" in the crowd?



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Harry Collins
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 Posted: Wed Jan 19th, 2005 12:42 am

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Birddog,

What are you going to use this gun for? I like IC & Mod which leaves you only one barrel to change. I haven't used my Damascus on waterfowel a bunch becouse of the nontox laws, but for clays, dove and quail IC/Mod is great.

Harry

 

King Brown
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 Posted: Wed Jan 19th, 2005 01:41 am

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If it were my gun---I do all my duck shooting over decoys with nearly all action within 30 yards---I would go cyl/IC but with your chokes, as above, IC/Mod to save expense and consider your different needs.

Jay Gardner
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 Posted: Wed Jan 19th, 2005 03:46 am

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I should have mentioned what I'll use the gun for.  Mostly late season grouse in Michigan; from time to time wild phez; and, once in a while a round or two of clays.  I doubt that I would ever take the gun for ducks, primarily because of the need to keep the psi low and the fact that I don't reload.  Working on the gun is not really an issue because someone has already lengthened the chambers and cones.

On a related note, how will a Parker Full Choke pattern at 30-yards with 5,000 - 6,000 psi loads?  I know and I will pattern the gun, but it is -5 degrees F and the wind is howling, so lets keep the discussion going.



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Weathered corn, an apple left unnoticed on the tree, the crunch of frosted stubble underfoot, wood smoke in the evening - these things remind me of the wild, fall days of boyhood...the best of those days were the Saturday's, afield with my dad.
Bruce Day
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 Posted: Wed Jan 19th, 2005 01:50 pm

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My belief is that it will pattern well, but the velocity will decrease significantly with the cold, and killing power will be less. You might very well end up with original black powder killing energys at 40-50 yards. Actually, lower velocitys pattern better than higher velocity shells.

I think you should be able to start with a higher pressure, dependent upon your remaining barrel thickness. If you tried to start with a muzzle velocity of 1150 or so, the pressures should still be fine, and you would have more downrange power. 

 



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Harry Collins
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 Posted: Wed Jan 19th, 2005 05:16 pm

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I have several full choke Parkers and they shoot tight with wads at 5400 psi. As an example I shot 12 ga 1 1/8 oz 7 1/2's at about that velocity or just a tad below with 800x, CCI 209, CB wad in WW hulls through an 1882 Lifter 10 ga using Gauge-Mates. At 25 yds full choke is about 21" and my patterns were 16". The type of shooting you do leads me to believe that you would probably prefer having the open barrel on the front trigger. I am fairly adept at going for the back trigger first in the dove field, but quail are a different story. I just purchased a 30" GH 12 that has .025 constriction in both barrels, but the gun is so cherry I don't think I can bring myself to open it up. 

Harry

Bob Vilmur
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 Posted: Thu Jan 20th, 2005 01:55 am

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Bird Dog

 

My take would be that you already have high interest and a good level of sophistication when it comes to such matters.   The fact that you already have your gun with Dr. Gaddy speaks volumes in relation to the points above.

This asserted by me,  then there are a range of ways to proceed.  The advice you've already gotten in terms of Improved and Modified choking, right and left respectively, makes very good sense.  I think this a very workable answer to your interest  - not the very best answer - but one I'd follow unless I was very seriously dedicated to obtaining the best available answers for the shotgun at hand.

A better answer is to wait until you've gotten the gun back from the doctor and then pattern it with the over-the-counter loads that meet your pressure criteria.  - - See what you can see, and select loads accordingly.

The best answer in my opinion is to consider that with your level of interest, you spring for fifty bucks, buy a used MEC 600 and another hundred bucks or so for misc. component and powders, visit Hodgdon and IMR's websites seeking lower pressure loads ( which you will find in abundance ) and join the rest of us in having a great deal of fun.  The ability to vary pattern performance with the spreader wads, high quality one piece plastic wads, etc. etc. is substantial.  It will take testing which is work (fun) unto itself,  but isn't that what this is all about?

Best of luck

Bob Vilmur

 

s

 

John Hickerson
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 Posted: Thu Jan 20th, 2005 04:16 pm

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Why didn't anyone mention spreader loads. Polywad has low pressure loads and also sells the insert for reloading.

Hick



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