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Looking at getting a Glock 30 and read that it is the only Glock with octagon rifling vs. Hexagonal rifling. Does this mean I can shoot lead nosed bullets? If not, what is the purpose?
Glock 30 Octagonal rifling barrel?
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Wondered myself, so I looked it up... Here's what the Glock Wiki says:
I don't think it would change anything related to shooting lead... The octagonal barrel might make shooting lead worse... less area for the lead to fill before causing problems.
Don't know if that's the absolute truth, but it seems reasonable to me.Glock Wiki said:
I don't think it would change anything related to shooting lead... The octagonal barrel might make shooting lead worse... less area for the lead to fill before causing problems.
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I just means that there are 8 lands in the .45acp GLOCK barrel (21 and 30 models) and 6 in the rest (9mm, 357sig, 40s&w). Also, Im not quite certain, but I believe the GAP models use 8 land barrels. Further more, its still the same type of rifling as the 6 land barrels, so no lead bullets.
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Let me make one correction to me previous statement. You can shoot lead bullets out of any GLOCK, it just that GLOCK INC doesn't recommend it due to lead bullets leading the barrel. You can shot low quantities at a time of lower speed ammo, just make sure to thoroughly clean the barrel of any lead before shooting jacketed bullets. Hope this helps.
it's just a different type of rifling. it is far easier to get polygonal rifling spotless when cleaning than standard rifling, and there aren't sharp crevices that crud can hide in.
as to the claim that glock's polygonal rifling produces better muzzle velocity, it's been tested at maybe only 10fps faster at the most (it does seal in gases slightly better than standard rifling, but the results are minimal).
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as to the claim that glock's polygonal rifling produces better muzzle velocity, it's been tested at maybe only 10fps faster at the most (it does seal in gases slightly better than standard rifling, but the results are minimal).
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Clear as mud. Ok, I will not be shooting lead bullets, and thanks to all for the info.
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But you can Always buy an aftermarket barrel just to shoot lead through.
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Got a question for everyone. Does someone have a good pic of their barrel rifling that had lead shot through it? A friend of mine has some marking in his but I cant get a good pic of it to post on here.
+1. i don't shoot lead through any of my guns. it's too dirty, and never cheaper than plated bullets (i don't reload). i would certainly not shoot them through my glocks, although many do. i just don't like to press my luck like that.
This is me. For Christmas, my retired Father-in-Law gave me 1200+ lead 9mm rounds. I fired 200 of 'em yesterday, and other than not being as accurate as commercial loads, they went bang and punched paper. I did clean the you know what of the barrel last night, but I do that no matter what I shoot.
Seeing I have over 1000 still togo, is the Glock nylon brush good enough to clean the barrel? Is there a brass type brush available that would beven better? Is it the rifling or the chamber that the problem is from? Just questions for those who know more than I.
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