Hoppes #9, what I use on all my guns, best bore cleaner out there. They do make a newer semi-auto specific version, but the standard old #9 works great on all my shooting irons.
I have a gallon jug of CLP which I think is made by Break-free. Great stuff.
As far as residue, the #9 is easily wiped off, the CLP is also easily wiped off but may leave a bit of residue, not greasy or oily though. Any residue left wont hurt the polymer frame at all. I have been slathering it on my G27 for about 15 years now and no issues
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as always. thanks again. You are in my ppo for gun doctors. Always have the answer.

I'm hoping to pick up a pre-64 in 30.06 one of these days




