BreechFace
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- Joined
- Mar 2, 2020
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- 3,512
Not exactly. The difference is generally due to better manufacture of inner barrel (bore) dimensions and uniformity. In barrels of equal precision, the advantage is to (iron sight) radius. With scopes, that obvious does not matter as much. The length of a barrel - assuming done correctly has no inherent effect on accuracy.
We are saying the same thing I said (see post #44). Discussing barrel quality, which of course is a known variable is of no consequence, as a shorter barrel of higher quality will surely be more accurate than a barrel of low quality and vice-versa. This is a variable should be obvious but doesn't pertain to the topic of the idea of accuracy advantage a longer barrel in and of itself is thought to have, which is in error.
All things being equal, equal sighting system (optic or iron sight length), barrels of equal quality, and a distance of a 100 yards; the accuracy would be the same. There is nothing that a longer barrel will do to make that bullet more accurate other than a velocity advantage where the bullets flight path is less leading to less drift due to environmental factors or a bullet stability issue which is a load issue. But at 100 yards this is inconsequential.
Just look at handgun shooters with 4" & 5" long barrels, the sights obscuring the target no doubt played one of the biggest roles in accuracy falloff (big blocky sights with a small sight radius). Mechanical accuracy of firearms are rarely tested, as it's the nut pulling the trigger and optical sighting that has the greatest effect on accuracy. https://www.handgunsmag.com/editorial/tactics_training_shot_022305/138904
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