Westley Posted March 26, 2019 Report Share Posted March 26, 2019 (edited) On 19/03/2019 at 19:35, DaveADS said: On an O/U shotgun the barrel centers are further apart at the breech than the muzzle, the gun is tuned so that the shot from both barrels will hit the same point in space at 40 yards, so shot from the lower barrel will be rising slightly out to 40 yards, while shot from the top barrel will drop slighly, this situation can be exploited by using the lower barrel for rising targets, and the top barrel for such as settling duck, since most modern guns are multichoke, the choking can be selected beforehand. You could be surprised by some tests carried out on that theory ! Longthorne guns make their barrels from 1 piece of metal, if you ever visit their stand at any of the shows, they will have a set of their barrels, set on 2 blocks, for you to stand on. No, they do NOT bend. They carried out some laser light tests on a number of different sets of barrels from various makers, I do not think any showed the same point of impact between barrels and some were truly frightening ! I suppose that you pray that you do not get 2 settling duck on one stand then ? 😄 Edited March 26, 2019 by Westley Quote Link to comment Share on other sites More sharing options...
Scully Posted March 26, 2019 Report Share Posted March 26, 2019 On 19/03/2019 at 19:35, DaveADS said: On an O/U shotgun the barrel centers are further apart at the breech than the muzzle, the gun is tuned so that the shot from both barrels will hit the same point in space at 40 yards, so shot from the lower barrel will be rising slightly out to 40 yards, while shot from the top barrel will drop slighly, this situation can be exploited by using the lower barrel for rising targets, and the top barrel for such as settling duck, since most modern guns are multichoke, the choking can be selected beforehand. Or you could just forget all that and concentrate on the target. If there’s any truth in the above, I seriously doubt it’ll make a difference between a hit or a miss. Quote Link to comment Share on other sites More sharing options...
Walker570 Posted March 26, 2019 Report Share Posted March 26, 2019 Ha well. Still have to put it in the centre of the pattern I suppose. Quote Link to comment Share on other sites More sharing options...
blackbird Posted March 27, 2019 Report Share Posted March 27, 2019 On 07/11/2017 at 17:59, FairImogen said: Earlier today I shot with a fellow who told me that I should be shooting the bottom barrel first; moving chokes if needs be. The rational for this being that a shotgun is more ‘stable’ when fired in this manner. I use the barrel selector depending on the bird; have never noticed such instability. (Interestingly, there was nothing between our scores). I would experiment, but can’t be changing chokes ad nauseam. Does anyone think the ‘stability’ concept is valid? Sounds like the other fellow is taking his clay shooting to seriously. Quote Link to comment Share on other sites More sharing options...
figgy Posted March 28, 2019 Report Share Posted March 28, 2019 Use a semi auto don't have to worry about second barrel. Quote Link to comment Share on other sites More sharing options...
old man Posted March 28, 2019 Report Share Posted March 28, 2019 FWIW and I'm no expert, by design thw bottom barrel more in straight line directly to shoulder equals less muzzle flip? Don't mess with chokes, 1/4 bottom !/2 top should see you right at normal distances. Just ask welshwarrior? Quote Link to comment Share on other sites More sharing options...
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