Looks like a standard-length double square bridge mauser model B rifle produced approx. 1932 - 33, but need better pictures to confirm.

A standard-length double square bridge mauser model B rifle in 9.3x62mm caliber with SN 112458 is displayed on page 169 of 'Original Oberndorf Sporting Rifles'.

Here's a link to your picture.
http://s36.photobucket.com/user/marcovis...;sort=1&o=0