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Rifles, Reloading, Optics, Equipment
Gunsmithing
which bedding compound?
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<blockquote data-quote="SMK1000plus" data-source="post: 1637502" data-attributes="member: 93846"><p>No "speculation". MY experience! No once, but over a half-dozen times on light, to sporter weight barrels over the years. The only times I haven't had the POI climb is when I left the heaviest tapered area(s) of the barrel relieved and only left bedding againts the last <6" of the muzzle end of the stock. The climbing of POI on fully bedded lightweight barrels was usually relatively consistent for each progressive shot within each group, and would stabilize after the barrel heated up and the temperature became somewhat stable, usually around 8 to 10 rounds. It was usually consistent enough that you could predict the shift and compensate for it, but it was substantial, typically around 2" to 4 of total shift, at 100 yards.</p><p></p><p>On lightweight/featherweight barrels, I leave the barrel completely free floated, develop a load for it and see how it performs with groups 5 rounds. If I don't see decent sub-MOA groups, I'll bed a light neutral/pressure point at the last 3" of stock forearm and test grouping again. Sometimes that helps, sometimes it will make the groups larger and will have to be relieved... Just my experience. YMMV</p><p>Kevin</p></blockquote><p></p>
[QUOTE="SMK1000plus, post: 1637502, member: 93846"] No "speculation". MY experience! No once, but over a half-dozen times on light, to sporter weight barrels over the years. The only times I haven't had the POI climb is when I left the heaviest tapered area(s) of the barrel relieved and only left bedding againts the last <6" of the muzzle end of the stock. The climbing of POI on fully bedded lightweight barrels was usually relatively consistent for each progressive shot within each group, and would stabilize after the barrel heated up and the temperature became somewhat stable, usually around 8 to 10 rounds. It was usually consistent enough that you could predict the shift and compensate for it, but it was substantial, typically around 2" to 4 of total shift, at 100 yards. On lightweight/featherweight barrels, I leave the barrel completely free floated, develop a load for it and see how it performs with groups 5 rounds. If I don't see decent sub-MOA groups, I'll bed a light neutral/pressure point at the last 3" of stock forearm and test grouping again. Sometimes that helps, sometimes it will make the groups larger and will have to be relieved... Just my experience. YMMV Kevin [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
which bedding compound?
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