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Noddie Question: Chokes


Wookie
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I know, it's going to be a noddy question, but someone needs to explain the whole thing with chokes and shotguns.

 

How do the numbers mean relate to the shot pattern? Does a smaller fraction mean a tighter patters or a wider one?

 

Easy, small words please. It's been a long day and nothing's sinking in.

 

Wookie

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Well I suppose it's really the degree of restriction at the muzzle end.

 

so 1/2 is more restrictive than a 1/4 choke, full being the most restrictive.

 

So that would then squeeze the shot string into a tighter string the more restrictive the choke is.

 

I think.

 

Ben

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So it's best to has a tighter choke on the first barrel to fire and then a looser choke on the second?

 

I seem to remember that most of the shotties I've looked at (apart from the raffle prize *fingers crossed*) seem to have fixed chokes of 1/4 and 1/2 (or similar).

 

Wookie

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I guess it depends what you are shooting but generally speaking no - the reverse of what you describe. A more open choke on the first barrel, say 1/4 choke, then a tighter choke for the second barrel e.g. 1/2 choke. The theory being that if you miss with the first barrel, your quarry is disappearing at a rate of knots and creating more distance between you and it. Hence, more choke required.

 

But, if you are shooting driven pheasants, you might want to have a more closed choke for the 1st shot, then a more open choke for the second shot as the fezzie gets nearer to you.

 

The fixed choke guns might have a barrel selector (my fixed Miroku does) so you can choose which barrel will fire first.

 

Hope this makes sense?

 

Piebob

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Does a smaller fraction mean a tighter patters or a wider one?

 

Wider.

 

In English, from the most restricted to the most open it's:

 

Full

3/4

1/2

1/4

Skeet

 

There are others, and as always the yanks call them all something different, but putting it simply 1/4 and 1/2 with a barrel selector will let you hit almost anything - within reason.

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If you get a gun with notches instead of markings then they are as follows;

 

1=FULL

11=3/4

111=1/2

1111=1/4

11111=CYL

 

this is normally on foreign guns, beretta's etc.

 

Still don't worry about them just put 1/4 and 1/2 in and go and enjoy yourself.

 

Cheers

 

Martin

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If you get a gun with notches instead of markings then they are as follows;

 

1=FULL

11=3/4

111=1/2

1111=1/4

11111=CYL

 

this is normally on foreign guns, beretta's etc.

 

Still don't worry about them just put 1/4 and 1/2 in and go and enjoy yourself.

 

Cheers

 

Martin

 

My winchester has all of the above plus Extra Full, no marking. I don't use it very often though.

 

Rob

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Hi,

 

I have just taken the fore end off an AYA and despite most of the stamped markings being worn away I can make out the word CHOKE on each barrel.

 

On the left barrel it appears to have:

 

CHOKE

17,4

 

13,4

 

And the right barrel it appears to have:

 

CHOKE

17,8*

 

18,4

 

 

* LOOKS LIKE AN 8 BUT COULD BE OTHER.

 

I think it is reasonably tightly choked but could anyone in the know on AYA guns please shed some light on its choking. :P

 

Many thanks and sorry for hijacking Wookie' post.

 

FM :D

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*Mental note*

 

Do not take guns apart that you can't put together again 10 mins before you are due to go out. :welcomeani: Beatingisbest knows what I mean. :( :oops::oops: Nobody realises how difficult it is to type and recieve instructions about putting guns together at the same time. :oops::oops::oops:

 

It took him 20 mins to put the action, barrel and forend together :lol::lol:

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