This one has a 17-inch bbl and is in 6.5x55, but could easily be .30-06.

And here's another chopper with a 19-inch bbl in 9.3x62. No problems with this tube length and really, I'd like a 16 1/2 or 17 incher in 9.3x57, too.

There's nothing amiss with taking a hacksaw to sundry sporters...