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moly damage to your barrel

Old 01-02-2005, 01:30 PM
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Join Date: Jan 2005
Posts: 9
Default moly damage to your barrel

I have had great luck shooting a 55 gr. Hornady Ballistic Tip Moly-coated bullet in my .22-250. After I worked my load up wit the moly bullets, my group size shrank. In fact, I shot 3– 3 shot groups inside 1 bullet hole at 100 yds. Lately, however, I have read some material saying things like "shooting moly can ruin your rifle because moly can eat the metal of your barrel," and "there's no way to remove moly after it cakes up in your rifle." To make a long story short, I am now afraid of moly and any thinking about going back to regular copper bullets. Any advice?
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Old 01-02-2005, 02:39 PM
Join Date: Dec 2004
Location: Oshkosh WI.
Posts: 19
Default RE: moly damage to your barrel

Advice? Ignore the bull§hit! 1. Moly doesn't "cake" up on anything especially the inside of your barrel. 2. It also doesn't "eat" anything. Any barrel can corrode if not cleaned properly after being fired. The best part of moly is; you can shoot longer without accuracy destructive fouling. Also clean-up is quicker because fouling is less.
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Old 01-02-2005, 05:42 PM
Nontypical Buck
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Join Date: Jun 2004
Location: NW Ohio , 5 min from Ottawa National / Magee Marsh
Posts: 2,051
Default RE: moly damage to your barrel

Just clean the barrel and don't worry.
From what I can tell guys were shooting thousands of rnd with out cleaning the barrel . There was a build up from that ,as soon as they cleaned the barrel it was fine .
Just lazy
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Old 01-02-2005, 06:02 PM
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Default RE: moly damage to your barrel

Once Moly gets inbedded in barrels/bearing/whereever its used, it seems impossible to get all out. Which is a good thing if you plan on shooting them only in that gun. According to machinist and all who use it for 30 years, it can't eat barrels or metal, but is sort of hydrscopic (can attract moisture). So instead of using it as some say, by shooting moly and never cleaning it out or oiling, I would clean it out with Kroil and oil your barrel after use. Some snipers for cities say they like it cause your barrel will have good cold shot performance if you don't clean out and use a bore snake after using. Hope it helps.
Old 01-02-2005, 06:25 PM
Fork Horn
Join Date: Jul 2004
Posts: 422
Default RE: moly damage to your barrel

Been using molys exclusively in my SS Stalker for a while. Boresnake it after 30-40 rounds. Cold shot/first shot performance is great.
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Old 01-02-2005, 07:56 PM
Giant Nontypical
Join Date: Feb 2003
Location: fort mcmurray alberta canada
Posts: 5,667
Default RE: moly damage to your barrel

I tried moly in two rifles,a .223 and a 6mmrem.Both displayed erratic POI for the first few shots after the barrel was cleaned.Both also still copper fouled although powder fouling seemed reduced.I no longer use moly.
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Old 01-03-2005, 07:10 AM
Join Date: Dec 2004
Posts: 15
Default RE: moly damage to your barrel

Try using a product called Fastex if you want a cleaner alternative. Fastex was developed in Europe for precision machinery. They now make a line of gun products including a product for the barrel of your gun and for your bullets. You heat the barrel or bullets to a modest 120 degrees and then coat with Fastex and wipe it clean. At 140 degrees the Fastex bonds to metal and leaves a coating 1 molecule deep, no more - no less. This keeps a layer of this lubricant between your bullet and barrel.

With a new barrel or one that has been cleaned of copper, just pour hot water down the barrel and wipe dry. The barrel will now be hot enough for Fastex and just wipe the bore with your cleaning patches. For bullets, I just put them on a cookie sheet in the oven and heat until warm to the touch. I put them in a batch of Fastex then wipe them dry and they are ready to load. They will even work for cast bullets although I use it on my jacketed bullets before loading. They also make a moly remover. http://www.varminthunters.com/fastex/
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