A triple barrel shotgun:
(picture from link)
Here's the real kicker - it's from 1891! More from the link:
The next step is obvious: A triple-barrel 1911!A unique triple-barrelled shotgun made for a Scots aristocrat has been sold at auction for £43,000 (then $66,000). The shotgun - dubbed the “Holy Grail” - was made in April 1891 for John Adrian Louis Hope, 1st Marquess of Linlithgow and the seventh Earl of Hopetoun. The three-barrelled ejector, 16-bore gun, with three triggers, was designed by renowned Edinburgh gun makers John Dickson & Son and is the only one of its kind. Its origins were identified after the gun was taken to a valuing event at Hopetoun House, South Queensferry, and it has now been sold at Holt’s auction in London, to a private collector, after fierce bidding from around the world.
That is all.