Message:

<p>[QUOTE=&quot;springfld.arsenal, post: 75312, member: 54&quot;]Marking would be read as &quot;4.2 inch&quot; and would be used in the muzzle of a 4.2-inch siege rifle or a 30-pounder Parrott rifle.&nbsp; These artillery pieces were in use from about 1862-1880.&nbsp; That size tompion seems fairly scarce.[/QUOTE]</p><p><br /></p>

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