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Choke alterations


Andra
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Have posted a similar topic before but now def going to buy a first sxs and will be having a look at one tomorrow it is choked half and full and the seller can have it altered to 1/4 and 1/2 for me no problem. I am now questioning myself as in do I really want to do that?? I shoot mostly 1/4 and 1/2 for everything with my O/U and my rational is that I want something performing roughly the same at my usual range. Would be using for corvids/pigeons, on a pheasant shoot where the birds are not usually particularly high, and also for a bit of rough shooting.

 

Seller was also saying that choke rebores are done from the breach out rather than just the choke area. BTW it is not an expensive gun £300 spanish made.

 

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Need to have it patterned to check chokes before altering as a lot of spanish chokes were on the tight side (could well be full and extra full), rather than take chokes at face value as marked on barrel.

 

Why not look for a multichoke, rather than go to the bother of altering chokes?

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I am very surprised about the intended alteration to the chokes.

 

I have always believed that the chokes were altered in the last 3" or so at the end of the barrel. I would think that any taper from chamber all the way along the barrels to the end would cost an arm and a leg.

 

Happy to be corrected, but it seems like rubbish.

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IMHO 1/2 and full is too tight for the majority of shooting scenarios-I have all my guns choked at a loose 1/4 and 1/2 - I would open them up more if I knew I would be keeping them forever but it puts some people off-I shoot Sporting clays with my 525 choked at SK& Cyl and have never failed to powder any clay that I hit at any range.

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As has been said, the starting point is to pattern the gun preferably using your favourite cartridge before doing anything. The following doesn't apply too much for clay shooting simply because of the number of pellets in the smaller shot size loads. But taking a fairly normal 30gr No 6 load for live quarry, at 40 yards an increase of one standard English degree of choke will give just an extra 10 pellets in the effective central pattern area. No great benefit. Consequently, if your need is for a slightly increased range for the tighter barrel, then going up two steps has an advantage - Imp by 1/2 or 1/4 by 3/4. Once metal has been removed, it is always easier to find a cartridge that shoots a little more open than one that shoots a little tighter.

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welshwarrior - thanks for the clarification.

 

That was pretty much what was discussed as the best approach apart from the where metal is removed I was not aware of that. I was going to take it and have someone else do the barrel work and the chap from the gunroom did advise that some take a different approach to widening. I do appreciate all the feedback as it is helping build up the old knowledge.

 

http://www.glasgowgunmakers.co.uk/Gunroom/Gun.aspx?type=1374&category=0&id=2487

 

This is the gun in question have now paid deposit and the barrels (which are gleaming inside and out) are being choked at 1/4 and 1/2. Looking forward to trying it out and I guess the fun will begin then as have only shot an O/U before :good: 1 to 2 weeks to pick it up. Some really awesome guns in this place.

 

 

Thanks again for all the feedback really appreciating this site and the very helpful members!!!!

Edited by Andra
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