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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Sporter barrel as accurate as heavier barrel?
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<blockquote data-quote="Alex Wheeler" data-source="post: 2079083" data-attributes="member: 101859"><p>This is an area I feel I have quite a bit of experience since I build and shoot both BR rifles and hunting rifles at 1000 yards for group. The sporter barrels will shoot very close to as well as the heavy barrels when perfectly in tune. Your load will change with temp and humidity and the heavier barrels have less amplitude in the vibration pattern. So as they both go out of tune the heavier barrels do it less dramatically than the sporters. Many confuse this with a wider load window, they both go out of tune the same amount its just thinner barrels will produce larger groups than heavier barrels at the same amount of tune error. The nodes will be just as far apart in the two contours, so tune widths are equal. At 1k an out of tune sporter can shoot real big in a hurry. I really wish more guys would shoot paper at those ranges. Moral of the story, go with the heaviest barrel you can stand to carry, or plan to stay on top of the tune really well.</p></blockquote><p></p>
[QUOTE="Alex Wheeler, post: 2079083, member: 101859"] This is an area I feel I have quite a bit of experience since I build and shoot both BR rifles and hunting rifles at 1000 yards for group. The sporter barrels will shoot very close to as well as the heavy barrels when perfectly in tune. Your load will change with temp and humidity and the heavier barrels have less amplitude in the vibration pattern. So as they both go out of tune the heavier barrels do it less dramatically than the sporters. Many confuse this with a wider load window, they both go out of tune the same amount its just thinner barrels will produce larger groups than heavier barrels at the same amount of tune error. The nodes will be just as far apart in the two contours, so tune widths are equal. At 1k an out of tune sporter can shoot real big in a hurry. I really wish more guys would shoot paper at those ranges. Moral of the story, go with the heaviest barrel you can stand to carry, or plan to stay on top of the tune really well. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Sporter barrel as accurate as heavier barrel?
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