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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
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<blockquote data-quote="Bart B" data-source="post: 683130" data-attributes="member: 5302"><p>Factory stocks have been padded/shimmed to barrel contact at various points since the early 1900's to make factory rifle shoot more accurate. That's cause the the bedding area around the receiver's not all that even and consistant. Some factory rifle had their barrel held tight against the fore end tip with a screw through the fore end under the rear sight to improve fore end contact. The problem with shimmed and padded barrels is, when the rifle's held with its fore end atop bags on a bench, the pressure transmitted from the bag through the stock to the barrel's different than when the rifle's held without the fore end resting on something. And that typically changes point of impact and accuracy between field positions and shooting from a bench. It may not be much, but it's there.</p><p></p><p>Epoxy bedding the receiver in all sorts of stocks and totally free floating the barrel's typically resulted in best accuracy. By "totally free floating" I mean the only things touching the barrel's the front of the receiver and the round in its chamber. No pad under the barrel for some distance in front of the receiver; all that does is cause vertical shot stringing.</p><p></p><p>If there's plenty of room for flimsy stock fore ends to clear the barrel as the barrel whips from firing and the fore end bending from how the rifle's held, flimsy fore ends aren't a problem. Some rifle stock's fore end's flimsy enough that even resting it on a bag atop a bench will let the weight of the barreled action bend it enough to touch the barrel at its tip. Proof the old "dollar bill" theory for clearance between barrel and fore end's a myth. Besides, the more space there is around the barrel, the faster it'll cool and therefore please folks wanting rapid barrel cooling.</p></blockquote><p></p>
[QUOTE="Bart B, post: 683130, member: 5302"] Factory stocks have been padded/shimmed to barrel contact at various points since the early 1900's to make factory rifle shoot more accurate. That's cause the the bedding area around the receiver's not all that even and consistant. Some factory rifle had their barrel held tight against the fore end tip with a screw through the fore end under the rear sight to improve fore end contact. The problem with shimmed and padded barrels is, when the rifle's held with its fore end atop bags on a bench, the pressure transmitted from the bag through the stock to the barrel's different than when the rifle's held without the fore end resting on something. And that typically changes point of impact and accuracy between field positions and shooting from a bench. It may not be much, but it's there. Epoxy bedding the receiver in all sorts of stocks and totally free floating the barrel's typically resulted in best accuracy. By "totally free floating" I mean the only things touching the barrel's the front of the receiver and the round in its chamber. No pad under the barrel for some distance in front of the receiver; all that does is cause vertical shot stringing. If there's plenty of room for flimsy stock fore ends to clear the barrel as the barrel whips from firing and the fore end bending from how the rifle's held, flimsy fore ends aren't a problem. Some rifle stock's fore end's flimsy enough that even resting it on a bag atop a bench will let the weight of the barreled action bend it enough to touch the barrel at its tip. Proof the old "dollar bill" theory for clearance between barrel and fore end's a myth. Besides, the more space there is around the barrel, the faster it'll cool and therefore please folks wanting rapid barrel cooling. [/QUOTE]
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