HOW YOU MOLY CAST PISTOL BULLETS? (oh)


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mrsmifffphe
November 24, 2012, 03:22 PM
I would like to hear your feedback on the pros and cons. Also how you apply. Ive done 100 40 cal and havent tested them yet. I place in jar and tumble for 2 hours. Wipe them off and load with no lube. Tell me what you think

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blarby
November 24, 2012, 03:36 PM
Well, Moly is bad here in the pac NW- too much moisture.

That said, the purpose of lubricant on a bullet is to act as a lubricant. Moly works pretty well in that department.

There are a few vendors playing around with different bullet coatings. I believe the downside to moly is time and cost. If its just for personal use, and you dont mind the time or cost- or they are mediated by some other circumstance- have at it.

Jaxondog
November 24, 2012, 09:16 PM
I don't know how you would cast a moly bullet, but I moly coat mine using a seperate tumbler with a couple handful's of ball bearing's and Molybednum and they come out looking as good or better than hornaday's Interbond. Don't take long either.

JLDickmon
November 24, 2012, 11:29 PM
smacks of effort

mrsmifffphe
November 25, 2012, 07:22 AM
I PLACE THEM IN A JAR (about 300) WITH NO MEDIA AND PUT THEM IN THE TUMBLER FOR ABOUT 2 HOURS. THEY SEEM TO COME OUT DIRTY BUT WELL COATED AND I LAY THEM ON A LARGE TOWEL AND ROLL THEM BACK AND FORTH WITH ANOTHER. THEN I I DUMP THEM FOR A FINAL CLEANING ON A CLEAN RAG AND LIFT IT BY ALL 4 CORNERS AND WIGGLE AND WIPE FROM UNDERNEATH FOR THE FINAL WIPING, ALL WEARING RUBBER GLOVES.

I REALLY WANTED TO KNOW FROM YOU GUYS HOW IT REACTS IN YOUR GUNS. DOES IT DRAW EXCESS MOISTURE, DOES IT INCREASE THE SPEAD AND HAVE YOU HAD TO INCREASE THE POWDER OR NOT?

Let me know

jmorris
November 25, 2012, 10:17 AM
I moly coated cast before. Using the lyman tumbler/kit, they come out looking like black mirrors. Really pretty, until you shoot them. Left what looked like black spider webs down the bore and made a mess that was quite a bit of work to clean up.

The "moly" coated bullets you get from places like precision bullets and others is not just moly. In fact I have a quart of one of the coatings and the MSDS shows it to only contain a very small amount of moly.

10 Spot Terminator
November 25, 2012, 12:24 PM
When moly coating your jacketed bullets try putting some BBs in with your moly and bullets. This tends work to help bond ( peen ) the moly into the jackets. When you have finished coating the bullets wipe them clean with old rags or paper towels until you can rub a bullet between your fingers and have your fingers come up clean. Lap the bores on the firearms you intend to shoot moly in and you should as I have not expierience the moly build up or transfer to the bore many speak of. Smoother bores reduce fouling with all forms of bullets and are easier to clean to boot. Moly coated bullets I have seen so far by the bullet manufacturers tend to have excess moly on them that wipes off easily by hand and would tend to transfrer to a barrel quite easily I'm sure. I have used the techniques I mentioned on handguns as well as rifles with good results.

mrsmifffphe
November 27, 2012, 05:05 PM
I dont molly jacketed but when i do i will keep that in mind. Thanks!

.22-5-40
November 27, 2012, 05:46 PM
I Moly-coat most rifle bullets..both jacketed and cast..using the NECO Moly-coat system...steel balls/moly in vib. tumbler & finish tumbling in carnuaba wax.
For my revolvers..I decided I didn't want to coat..for one thing, at the velocity I am shooting, it isn't needed..and more important...I shoot alot of fixed sight guns..was afraid the slicker moly might cause an otherwise P.O.A. impact load to shoot high.
One thing you didn't clarify..are you planning on using only the moly coating as a lubricant? I have never done that..I always fill lube grooves with proper lube.
That stuff is only a few microns thick..probably have to keep velocity way down.

mrsmifffphe
November 27, 2012, 06:55 PM
Well, i was using it as a lube only. I went out and tested it on the chronograph and it did increase my velocity by about 45 ft per sec on avg. I should have cleaned my pistol prior to coating the barrel with the molly. I had huge lead deposits in the barrel groves and it was a bear to clean. Im going to try and use molly grease coating designed to prep the barrrel before i try again and i will post my findings. If i cant slow the leading then i will have to use lube on the casting groove. Do you know a way to apply it in the groove without coating the entire cast bullet? It gets old trying to clean off the lube with mineral spirits. I can only clean about fifty before my fingers start cramping up. Let me know. Thanks!

10 Spot Terminator
November 28, 2012, 08:47 AM
You might want to consider using a moly lube such as Jakes Moly Ceresin and also getting a Wheeler bore lapping kit to polish the bore . The smoother the bore the less fouling that occurs. I do this to my dedicated lead shooting irons as well as my extremely long barreled old military rifles and use the Jakes moly lube as well. Cleaning the bores on these firearms is FAR less of a chore than before and accuracy actually impoved slightly .

jmorris
November 28, 2012, 10:12 AM
it was a bear to clean. Sounds like your results were about the same as mine. I still need to try out that coating that was given to me, be nice to have cheap bullets that don't smoke.

mrsmifffphe
November 29, 2012, 05:10 AM
I kinda think that its the powder. I use Unique. I need to look up a recipe on Accurate Powder and switch when run out. Any ideas or feedback on this thought?

jmorris
November 29, 2012, 08:33 AM
I was using Clays.

JLDickmon
November 29, 2012, 11:06 AM
Sounds like your results were about the same as mine. I still need to try out that coating that was given to me, be nice to have cheap bullets that don't smoke.

Just change your lube..

I heisted this off Castboolits.com

"California Saeco Green"
2 lbs Beeswax
2 lbs Paraffin
1 lb STP Oil Treatment

mrsmifffphe
November 29, 2012, 03:54 PM
I use ALOX lube coating. I need to get a Lube press, any suggestions? Not even sure what i need in that area, never saw it done.

mrsmifffphe
February 15, 2013, 04:23 PM
Thread has ended, thanks for the comments

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