new barrel on a 40x 222

B

Bud

Guest
I have read about the pros and cons of molly coated bullets. Should I shoot the molly bullets first to coat the barrel before I shoot the non molly coated ? I have read that if the molly is shot after the non molly it sets up a chemical reaction that deteriorates the barrel after using this method. It is a Shilen 1.25 ss barrel.
Also about how many rounds does it take for the barrel to shoot the best ? TY
 
There really is only two benefits to coated bullets.
One they allow one to shoot accurately longer,
and bbl life maybe extended.
for high power shooter shooting 88 rounds in a match, it has a benefit.
If a br shooter cannot leave the bore alone for a full match, not much benefit.
The object is to coat the bbl with moly. hbn maybe better.
cleaning is different with moly...no brushes..why scrub out what you just put in ?

so what do you plan to do with your 222 ??
 
I have a bench .222 (Hart barrel, tight neCk chamber) with which I shot 52 gr. Berger factory moly coated bullets for some period of time. After a while, I had a decrease in accuracy that was cured by my wearing out two bronze brushes in one cleaning session. After that I stopped using coated bullets. I could see no advantage. The barrel was not ruined. It still is capable of an occasional group in the 1s.

One fellow who I discussed this with had been shooting moly coated bullets in his 6mm PPC since the process was first publicized by Merrill Martin...the whole magilla, carnuba wax and all. He said that he got more barrel life. At the time that we spoke he was shooting a match with a barrel that he said had 2,500 rounds on it, and I could see no sign that its performance was in the tank in any way. The kicker is that he cleans with solvent, a bronze brush, and patches after every five shot match.

I have a little interest in coated bullets, just a little, but it is not in moly. I have some interest in tungsten disulfide. I understand that it does not build up in barrels, like moly and 748 powder fouling did (with light cleaning) in my .222. The bottom line for me is that I try to avoid introducing additional variables that do not directly contribute to accuracy.
 
Honest, if he was cleaning after every relay, he was not shooting moly as designed.
the bbl was not coated. so little to no "improvement" from the coating.

I would like to hear more about HBN. it seems cleaner, and no special cleaning like moly.

Moly leads to carbon build up and requires strong carbon cleaning
 
'98

OP, sorry a little off the topic, just thought I throw a different but relative discussion about Moly... grease that is

In '98, in one of my business trips in Scotland, I managed to hook up with the fullbore shooters, borrowed a rifle and bought ammo so I could shoot in their Championship, 2 days of shooting from 300 to 1000 yards. When we zeroed the rifle, the host handed me the ammo and a contraption they called "greaser" This has nipple up front and you press the bullet into it and it puts a ring of Moly grease at the end of the case into the bullet. Wait, before I fired the fired the first shot the rifle owner got a patch saturated it with grease and swabbed the bore. The routine thereafter, grease the bullet and shoot it.

I initially refused to fire the first round knowing there was grease in the bore and there was more grease on the end of the case neck. Just for laughs and giggles I bought one of their greaser and took it home, but could not push myself to shoot Moly grease through my barrels. It might just be the best alternative to moly coating and HBN, who knows.
 
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Honest, I was just reporting. The number of rounds that he had on the barrel combined with the way it shot gives some credence to the thought that we may not entirely understand the potential of moly coating bullets including a carnuba over coat. He had 2500 rounds on it, and it was performing like it had 600 on it. Obviously he was not much concerned about how things are supposed to be done. Lots of times I run into fellows who know how things are supposed to be done, and that keeps them from trying things that might work better. Evidently he is not one of those people.
 
Forget the moly, too many issues. I have been using Danzac (Tungsten Disulfide) for years in a 30 BR, in a .222 I have no experience. But don't do moly is my feeling.
 
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