Hi guys, i'm sure this has probably been beat to death already, but i'm not having much luck finding info. on moly coated bullets for handgun use. I'm wanting to load some for .357 mag and 45 acp. What's the general consensus? Good/Bad? Advantages and disadvantages? I did read something on line about how the moly bonds to the pores of the steel in the barrel, and essentially is like a lubricant. On the same website it talked about how you can never get it out of a barrel and there were more disadvantages when using it. I think this was on a rifle forum though, not specifically for handgun use.... Confusing... So, what's up with it? Thanks in advance .Cheers, hvychev77
Moly Coated for Pistol
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Wreck-n-Crew
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FWIW Hi-Tek , powder coated bullets have pretty much dissolved the leading and moly buildup issues that have been often associated with Moly. Most former moly coating bullet companies have moved to Hi-Tek and even companies that used classic lubed cast bullets have offered Hi-Tek as well. At an average of $2 more per 1,000 bullets there is no reason to risk moly.
AZAndy
Member
I've used thousands of Bear Creek Moly .45ACP in 230 grain. There is some smearing in the barrel from the coating, but not much lead. I like it. Whatever "Hi-Tek" coating is, it's pretty good too and doesn't come off on my fingers the way the moly does.
Howard Roark
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I doubt there is much if any advantage of moly coating pistol bullets. The primary advantages of moly can be reduced throat erosion and easier cleaning. As stated above polymer coating has taken care of the cleaning issues with lead pistol bullets.
Boron nitride or HBN is replacing moly as the preferred friction reducing rifle bullet coating. It doesn't combine with dihydrogen monoxide to create harmful acid in the bore as moly can.
Boron nitride or HBN is replacing moly as the preferred friction reducing rifle bullet coating. It doesn't combine with dihydrogen monoxide to create harmful acid in the bore as moly can.
Thanks for the replies fellas. I figured that technology would continue to mitigate negative side effects from using these kind of bullets... Figured i'd put it out there to see what other folks weigh in with. Thanks for the feedback. Safe shooting!! Cheers.
jmorris
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I have only made and fired a few molybdenum coated pistol bullets. They were cast lead and tumble coated using ceramic media. They looked like black mirrors but left a nasty mess inside the bore.
The various coatings out there are not "moly" and from the MSDS I have for a couple of them, neither contain more than 5% molybdenum.
Even for jacketed bullets that didn't make an awful mess, molybdenum coating is something that used to be "the latest and greatest" that pretty much fizzled out a long time ago.
The various coatings out there are not "moly" and from the MSDS I have for a couple of them, neither contain more than 5% molybdenum.
Even for jacketed bullets that didn't make an awful mess, molybdenum coating is something that used to be "the latest and greatest" that pretty much fizzled out a long time ago.
Grumulkin
Member
Kenny Jarret gave a talk on barrel cleaning a few years ago at a Safari Club International convention. He described how he finally got moly out of a barrel. He heated the barrel untill it was red hot (of course that was the end of the barrel) and was then able to bet it out. He didn't recommend moly and I decided at that time never to put any moly coated bullets through my guns.
LiveLife
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When I was shooting USPSA matches with 1911 and 200 gr Lead SWC loads, I tested various Moly coated 200/230 gr lead bullets and found that unless I exercised extreme caution to not shave the Moly coating off the bullets, I ended up with uncoated lead bullet without lube that aggravated leading of the barrel (I highly recommend separate seat and taper crimp operations for Moly coated bullets).
Personally, if you want higher velocities, I would suggest powder/Hi-Tek coated, plated or jacketed bullets over Moly coated bullets.
With 5% THR discount, RMR sells .357 Mag 125 gr plated HPRN for $94/1000 and 45ACP 200 gr plated RN for $110/1000 rated to 1400 fps shipped to your door and I would think that's hard prices to beat compared to Moly coated bullets without having to fuss with coating coming off the lead bullet - https://rmrbullets.com/shop/bullets...5-gr-rmr-round-nose-plated-hp/?v=7516fd43adaa
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