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Rifles, Reloading, Optics, Equipment
Gunsmithing
Best Bedding Material
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<blockquote data-quote="ntsqd" data-source="post: 2347468" data-attributes="member: 93138"><p>The steel is the most commonly used because it is the most commonly recommended, not because is the best choice. The Aluminum is stronger than the steel and gives up very little in shrinkage to the steel. Are you really going to notice .0002in/in? It has only 60% of the thermal expansion/shrinkage that the steel does. That means that in service it shrinks or grows 40% less than the steel does with changes in temperature. Which is more important, initial shrinkage or dimensional stability once cured? Isn't dimensional stability one of the reasons for bedding an action in a stock in the first place?</p><p></p><p>All in all I think the Aluminum Putty is the better compromise within the Devcon products for this application.</p></blockquote><p></p>
[QUOTE="ntsqd, post: 2347468, member: 93138"] The steel is the most commonly used because it is the most commonly recommended, not because is the best choice. The Aluminum is stronger than the steel and gives up very little in shrinkage to the steel. Are you really going to notice .0002in/in? It has only 60% of the thermal expansion/shrinkage that the steel does. That means that in service it shrinks or grows 40% less than the steel does with changes in temperature. Which is more important, initial shrinkage or dimensional stability once cured? Isn't dimensional stability one of the reasons for bedding an action in a stock in the first place? All in all I think the Aluminum Putty is the better compromise within the Devcon products for this application. [/QUOTE]
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