Now that isn't a Mauser, THIS is a Mauser!

Mauser Model 1918 Anti-Tank Rifle -13mm Mauser

Barrel length: 38.75” - Overall length: 66.6” - This 1918 Mauser in fine condition is one of the few not owned by a museum or destroyed in the war. This is a chance of a life time to own Mauser’s biggest rifle. Finish faded to grey on metal with a very even patina overall a few dings on the metal from battle use, no rust. Wood in surprisingly good condition most finish remaining with dings from use, a few chips out of butt stock near tang of receiver. And in front of bolt handle. No bipod included. Serial number in the low 400’s see data sheet in pictures for more information. Bore in very good condition, bright, good rifling. All visible numbers matching – More information about this rifle and it's cartridge can be found at this web address - http://www.ycgg.org/pdfpages/ww1/tgewhr.pdf

From Gunbroker:
http://gunbroker.com/Auction/ViewItem.asp?Item=98385806