Not sure of these guys reputation but its $12.00.

http://nativeoutdoors.stores.yahoo.net/b...CFc6DQgod90MABg

Another for $14 and you could get free shipping

http://www.amazon.com/Hoppes-24011-BoreS...ords=bore+snake

As far as making one; I think the R&D process would put you over $20 time and materials.
_________________________
For some of us, a bad day of fishing is a bad day at work.

j7 2012