For anyone looking for a one piece cleaning rod, the following Dewey has a 9-1/2" brass rod with a 8 x 32 thread. I got mine from Midway USA for $14.79.

Dewey 1-Piece Cleaning Rod Rifle Pistol 1/4 Diameter 9-1/2 Brass 8 x

It does not swivel, so it will work with the AR-15 chamber brushes. And one more thing, it is is made in the USA.

AR-15 Chamber Brush - One Piece Cleaning Rod-140309-dewey-cleaning-rod.jpg