http://www.americanrifleman.org/blogs/winchester-marine-defender/?utm_source=newsletter&utm_medium=email&utm_content=Defender-text&utm_campaign=BersaBP9CC
What was old is apparently new again:
(http://i2.photobucket.com/albums/y30/RichardS/Miscellaneous%20Firearms/winchester1300marinedefender-1.jpg)
Chief:
It's a Winchester 1300 Marine Defender -- one of these (shown in the SHOT report):
(http://i2.photobucket.com/albums/y30/RichardS/Miscellaneous%20Firearms/win_marine_defender.jpg)
but modified with a folding stock, pistol grip, laser sight, tactical light, side saddle, and tactical sling. I've had it for years and was pleasantly surprised to see the model "reintroduced" at SHOT 2013.