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AR15.COM
5/8/2008 7:39:19 PM EDT
Has anyone experienced lead fouling using cast lead bullets in a Glock,  or any other malfunction caused by lead bullets?
5/8/2008 8:36:08 PM EDT
[#1]
Soft lead in Glock's polygonal barrels causes leading faster than with a conventionally rifled barrel.  High velocity loads using soft lead with a hot powder like TiteGroup will lead up your Glock barrel too.  Moly coated lead bullets like Precisions or Bear Creek Supply work great in a Glock barrel.  Hardcast leadbullets work much better than soft lead in a Glock barrel.


Guess how I know.
5/8/2008 8:38:16 PM EDT
[#2]
+1 for what mr COSteve said

hard cast lead is 'better' than other lead in glock bbls...but i'd prefer to opt for a replacement bbl myself if i shoot a lot of lead
5/10/2008 6:03:43 AM EDT
[#3]
there are folks that i know that shoot only lead through there glocks, but not me, i follow the rules and stick with fmj. leading can be the cause of big problems. i amagine if you keep it clean and get the lead out then you would be ok, but i don't use it and i don't suggest other people to do it either.
5/10/2008 1:48:20 PM EDT
[#4]
i've shot almost 3k rounds of the moly coated lead bullets through my glock and it's fine.  if you are concerned about fouling, then just every couple hundred rounds grab a FMJ and fire that through, that should clean out the lead (that is if you never clean your barrel).  But, like I said, i've got almost 3k and my glock runs fine.
5/10/2008 3:34:15 PM EDT
[#5]
Buy a after market barrel and shoot away.
5/10/2008 8:03:55 PM EDT
[#6]

Quoted:
i've shot almost 3k rounds of the moly coated lead bullets through my glock and it's fine.  if you are concerned about fouling, then just every couple hundred rounds grab a FMJ and fire that through, that should clean out the lead (that is if you never clean your barrel).  But, like I said, i've got almost 3k and my glock runs fine.


How in the world does shooting a jacketed bullet get the lead out of a barrel?
5/10/2008 8:36:31 PM EDT
[#7]
Gale McMillan once commented that when attempting to hand lap a Schneider polygon barrel the lead lap got wedged so bad it had to be melted out.

When that happens in a Glock barrel you have a failure down the unsupported feedramp portion of the case (aka: kaboom).
5/10/2008 8:40:19 PM EDT
[#8]

Quoted:
Has anyone experienced lead fouling using cast lead bullets in a Glock,  or any other malfunction caused by lead bullets?


Using non-coated lead bullets in a Glock stock barrel is insane.

If you must reload lead, use coated pills.
5/11/2008 6:50:17 PM EDT
[#9]
Buy a $99 Lone Wolf barrel and shoot anything you want to, safely.  I have Lone Wolf barrels for my G20, 21, 22, 23 and 27 and shoot nothing but my own cast bullets out of wheelweight alloy out of them with no leading problems at all.  Doing so out of a stock Glock barrel is just inviting problems.  Since there's a clear history of problems with polygonal rifled barrels with cast bullets, especially with less than optimal chamber support, why do it, even though some people have done it successfully, for not anyway?

I can't seem to find it now, but a few days ago, I was on a site that had a link to a test someone did with a Glock 22 shooting lead bullets and measuring the pressure.  I didn't read the article (wish I did now that I can't find it again!), but the page noted that it was surprising how quickly the pressure spiked.

The idea that shooting a jacketed bullet through a barrel that is fouled with lead is just wrong.  I gues, if you had a jacketed FWC with very sharp edges, it might clean out some leading.  But, due to the rounded shape of a bullet, it will do a great job of smearing a good portion of the lead into the pores of the metal of the bore.  It might look clean, but there's still a huge amount of lead that left behind.

I spoke with a Glock armorer about Glock barrels and lead.  He did say that many people do shoot lead, but, the first thing that Glock does when a gun is returned due to a KB is send the barrel off to the lab.  They test the barrel, all the way into the pores, and if there's evidence of lead bullets being fired, they will NOT honor the warranty.  From what I've heard, they still offer a replacement at a discounted price, but they don't replace it for free, as they would if it was only fired with jacketed ammo.

A $99 Lone Wolf barrel is very inexpensive insurance.  A discounted replacement Glock is going to cost you a lot more than that.