Kleen Bore do a hardened steel rod with a red plastic coating - possibly one of the longest lasting rods I've used and good from their blurb for .22 to .45. Bearings in the handles are a bit naff though.
The coatings are the weak points, I run a patch over the rod between passes and wipe all the crud off it. Helps stop things getting ground into the coating. One thing with the Kleen Bore rods is that they are too short for a long action, long barrel rifle - top out at I think 24" barrel with a break with the long actions.
The coatings on the rods can get hammered by certain models of rifles with blade ejectors, Mauser 98's are one. A bore guide is a good move, helps limit bore slap as well.
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