STGS
.224 member
Reged: 01/03/07
Posts: 22
Loc: Texas, USA
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For those of you shooting the Rhino bullets, specifically .375, since these are moly coated are you concerned about the moly residue in your barrel? I tend to shoot factory ammo (Remington - Swift A Frame)and hand loads. Any concerns about shooting both?
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Boomer
.300 member
Reged: 13/04/05
Posts: 144
Loc: The Hudson Bay Coast, Canada
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I have had excellent results from the .375/380 Rhino bullets, it is in fact my favorite bullet for my rifle. I have no issues shooting coated bullets in a hunting rifle, and I've shot Barnes XLC's as well, I just clean the rifle a little more often when I use them. I don't go to any special effort when cleaning, I just fill the bore with "Wipe-Out" foaming bore cleaner at night, and patch it out in the morning, followed by a patch soaked in Gun Juice. I have seen no pressure or accuracy problems from shooting non coated bullets after shooting coated bullets.
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500grains
.416 member
Reged: 16/02/04
Posts: 4732
Loc: Salt Lake City, Utah USA
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Moly coating is molybdenum disulfide and is not corrosive. But if the moly had some unbonded sulfur, then some later reaction could take place.
That being said, I have never heard reports of someone's barrel corroding from shooting moly bullets. But if it had happened, I think it would be splashed all over the internet.
Therefore I have no concern about shooting moly coated bullets, and I use them from GS Custom, Rhino and Combined Technologies (Nosler).
The advantage of a moly coating on a Rhino compared to an uncoated Swift is that you should get less fouling from the moly coated bullet. Premium bullets often use a relatively soft copper that tends to foul bores and the moly coating can mitigate that effect.
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DarylS
.700 member
Reged: 10/08/05
Posts: 27783
Loc: Beautiful British Columbia, Ca...
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Varmint Al's testing, listed on his web site, showed that moisture could get underneath the moly coating and develop barrel rot in a standard 4140 CM barrel. Stainless barrels, however, aren't susecptable to this.
: Due to his findings, it is suggested that a CM barrel that is shot with moly coated bullets, be cleaned each day to prevent this from happening.
: XLC's pruduced no buildup that I could see or remove. They aren't moly coated and deliver excellent accuracy from the 2 rifles I tested them in.
: Some rifles require a bunch of molied shots to re-condition the bore after shooting bare bullets.
: Some then require a bunch of shots of bare bullets, to clean out the moly before they group properly.
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Daryl
"a gun without hammers is like a Spaniel without ears" King George V
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STGS
.224 member
Reged: 01/03/07
Posts: 22
Loc: Texas, USA
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Thanks for the information and guidance. It sounds like a little dilligent cleaning will solve any problems. As always, a plethora of information is to be found on this site.
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