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Deputy276 · July 11, 2011, 04:20 PM

Here's a better look at the 870 Mark 1 version...

This mount grips the barrel and tube like a vice. It is the ONLY way I would go IF I wanted to reinforce the tube extension. As to wear marks inside the tube, I don't see how you WOUDLN'T get them from shells sliding back and forth over time. Those brass bases aren't really brass at all. They are brass plated STEEL. Don't think so? Put a magnet against them and see what happens.

July 11, 2011, 04:20 PM	#22
Deputy276 Senior Member Join Date: October 6, 2010 Location: Silver City, New Mexico Posts: 102	Here's a better look at the 870 Mark 1 version... This mount grips the barrel and tube like a vice. It is the ONLY way I would go IF I wanted to reinforce the tube extension. As to wear marks inside the tube, I don't see how you WOUDLN'T get them from shells sliding back and forth over time. Those brass bases aren't really brass at all. They are brass plated STEEL. Don't think so? Put a magnet against them and see what happens. Last edited by Deputy276; July 12, 2011 at 09:47 AM.