A few months ago, we were asked to turn an ordinary Remington 1100 into a versatile home defense shotgun.  We liked it so much, and the response was so great we have decided to combine the best features available for the Remington family of shotguns into a package we call the SM-1.  The great part is that we use your existing Remington 870, 1100, or 1187. This means that you can have a great home defense shotgun for under $500 with every...