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I wonder about doubles only shooting well at a particular range.

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.... Forsyth then wrote he believed that if the barrels shot perfectly, ie: the gun was regulated to shoot parallel, the bullets or balls would be parallel at ALL ranges.

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He stated he'd owned 2 that shot perfectly and proved such shooting by shooting through paper at ranges out to 100yards, where at every 10 yards paper, the balls (grouping) were still hitting parallel. W.W. Greener, in 1911, IIRC from his writing, agreed with the perfect regulation as being parallel.

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I do not think it out of line to attempt to find a load that shoots 'perfectly' - ie: parallel - even though for hunting purposes, that is not necessary and slight allowances can be made for the size of the 'X' ring.

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In theory the bullets must be exiting consistently at the muzzle at the same distance from each other. Even given barrel time, bullet speed while in the barrel and muzzle movement during it, bore distance apart etc. If the muzzle exit distance apart is extreme, this would show up at close ranges such as 10 metres or 25 metres and closing by 75 metres ie crossing. I don't know if I have ever seen this myself, so I doubt it is the case.

The above idea of perfectly shooting parallel should be easily testable with some DRs IMO especially with medium calibre rifles as many are extremely accurate. And also easier to shoot accurately with less recoil.

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John aka NitroX

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Govt get out of our lives NOW!
"I love the smell of cordite in the morning."
"A Sharp spear needs no polish"

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