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Forums10
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Apr 29th, 2024
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Joined: Dec 2010
Posts: 691 Likes: 7
Sidelock
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OP
Sidelock
Joined: Dec 2010
Posts: 691 Likes: 7 |
We all have heard about barrel frosting in the bores and chambers and we recognize it when we see it. Here are a few questions for the learned:
a. What exactly is it?
b. What causes it?
c. Can it develop overnite, or does it take months, years or even decades to show up?
d. Is it physically detrimental to the gun or is it purely an aesthetic issue?
e. Is it like a cancer and will spread if not addressed?
f. How do we prevent it from occuring?
g. Can it be removed with a light polishing or do the bores need to be honed with metal removed to get rid of it?
h. Are barrels with chrome lined bores less susceptible to frosting?
Wild Skies
Since 1951
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Joined: Jan 2002
Posts: 9,764 Likes: 754
Sidelock
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Sidelock
Joined: Jan 2002
Posts: 9,764 Likes: 754 |
I have a first year model 12 that suffered from that condition. I'm thinking that it might be unwise to assume every gun that has this condition has the exact steel or the same exact problem, even though it all looks similar. This gun had spent many years as a farmers "barn gun" used mainly for shooting "barn ducks" or pigeons that gathered around a silo. The gun had seen little, if any, maintenance or care for many years. I'm thinking 50-60 years.
At any rate, shooting the model 12 with typical, modern ammunition, perhaps 500-1000 rounds, IF I recall correctly, made it disappear. The bore went from looking like frosted glass to looking like a mirror.
I was told by an elderly gent that it would clean up with use. He was right, this time.
Save that one experience, I can offer little information.
Best,
Ted
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Joined: Dec 2001
Posts: 1,418 Likes: 2
Sidelock
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Sidelock
Joined: Dec 2001
Posts: 1,418 Likes: 2 |
A. very light pitting
B. rust
C. can develop slow or fast...humidity, corosive residue, ect
D. can make your gun harder to clean...also extraction problems possible...more prone to rerusting....
E. not really
F. clean you gun soon after useing...proper storage..
G. can sometimes be polished out [if real lite] honeing may help with a little heavier frosting
H. yes
gunut
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Joined: Mar 2011
Posts: 2,983 Likes: 106
Sidelock
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Sidelock
Joined: Mar 2011
Posts: 2,983 Likes: 106 |
I just had one of my guns 'cleaned up' that had this frosting. It was very mild but there. Lapping wouldn't take care of it, so a very light hone with a stone did the job. Less than .001 inch was removed. A hone, as opposed to a reamer, makes a perfectly round hole. Even aggressive lapping can be out of round, I think. Clean your guns and when done cleaning, coat the bore with oil is best prevention IMHO. But, remove the oil before shooting, because of fear of rivelling.
Socialism is almost the worst.
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Joined: Dec 2001
Posts: 2,961 Likes: 9
Sidelock
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Sidelock
Joined: Dec 2001
Posts: 2,961 Likes: 9 |
The seller said frosted, it arrived pitted! I used 180 SC cloth on an aluminum rod with LARD OIL! After the change to lard oil as a polishing oil the finish became mirror very quickly.
It is hard to find in small quanities but works the best of any product I have tested.
bill
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