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Rifles, Reloading, Optics, Equipment
Gunsmithing
Switchbarrels and barrel bedding pads
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<blockquote data-quote="duster" data-source="post: 198755" data-attributes="member: 8543"><p>I have a switchbarrel rifle built on a custom benchrest action (P.A.S.). The action is quite long (9-1/4") and has a magazine cut out. The barrels are a 28" 30-378 and a 32" 338 Lapua Imp. Both are heavy contour barrels having muzzle diameters of .860" and .930" and major diameters of 1.238" and 1.250" respectively.</p><p>I am trying to decide on the need to use a barrel pad when I bed the action in the McMillan stock. The barrel pad can only be correct for the larger of the barrels.</p><p>Is a barrel pad an essential ingredient in bedding a precision long range repeating rifle? Does the pad contribute to vertical dispersion as the barrel heats such as in 1000 yard competition? Or does it reduce vertical dispersion in general?</p><p>I suppose I could bed the larger barrel with a pad and let the lighter barrel free float.</p><p>I am skeptical whether the barrel diameters could be made exact so that one bedding pad would fit all. In any event I seek a simpler solution.</p><p>Would like to hear from anyone having having a suggestion on how to handle this especially those experienced with this aspect of switchbarrel benchrest rifles. </p><p>Thanks</p></blockquote><p></p>
[QUOTE="duster, post: 198755, member: 8543"] I have a switchbarrel rifle built on a custom benchrest action (P.A.S.). The action is quite long (9-1/4") and has a magazine cut out. The barrels are a 28" 30-378 and a 32" 338 Lapua Imp. Both are heavy contour barrels having muzzle diameters of .860" and .930" and major diameters of 1.238" and 1.250" respectively. I am trying to decide on the need to use a barrel pad when I bed the action in the McMillan stock. The barrel pad can only be correct for the larger of the barrels. Is a barrel pad an essential ingredient in bedding a precision long range repeating rifle? Does the pad contribute to vertical dispersion as the barrel heats such as in 1000 yard competition? Or does it reduce vertical dispersion in general? I suppose I could bed the larger barrel with a pad and let the lighter barrel free float. I am skeptical whether the barrel diameters could be made exact so that one bedding pad would fit all. In any event I seek a simpler solution. Would like to hear from anyone having having a suggestion on how to handle this especially those experienced with this aspect of switchbarrel benchrest rifles. Thanks [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
Switchbarrels and barrel bedding pads
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