An interesting episode of Guns.com as they compare two real world bullpup shotguns, the Keltec KSG and S&W M&P 12... "It’s not every day you happen to have two 14+1 12-gauge bullpup shotguns just sharing space in the same gun safe. But, as luck would have it, I got to play host to both a Smith & Wesson M&P 12 and a KelTec KSG recently.