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Curious as to whether a Glock 21 Magazine can feed 10mm ammo reliably. I can try it myself at the range next weekend, but was wondering if anybody had already done it.
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Nope.For Sale: Off Roster Handgun Moving Sale
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Originally posted by KWalkerM -
Feed lips are too wide.When asked what qualities he most valued in his generals, Napoleon said, "give me lucky ones."Comment
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No. But 10mm mags fit in the g21. So put your 10mm barrel in, and 10mm mags and you can shoot it great."If a law is unjust, a man is not only right to disobey it, he is obligated to do so." - Thomas JeffersonComment
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A 10mm conversion barrel and 10mm mags will work great (along with maybe a heavier RSA if you want to shoot the hotter 10mm loads available.)
The standard 10mm barrel will fit in the g21 slide, but the breech face and barrel hood slot in the g21 slide is wider, so there will be slop laterally. The gun will likely cycle and lock up (if a bit loosely), but function and wear are unknowns.
Also the G21 slide is lighter than the G20 slide, so with any given load the g21 slide velocity will be higher, which can lead to cycling issues when playing in the extremes. A place many who love 10mm seem to wander.When asked what qualities he most valued in his generals, Napoleon said, "give me lucky ones."Comment
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I have a G20
I also have a surplus of "OLD" G21 mags.. I was just curious if there was a way to make use of them with the G20. I guess I could have measured the feed lips myself.
Thanks guys.Comment
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Or do what I did many moons ago, grab the g21 mag, load a few rounds and watch them spontaneously pop back out...
G22/G35 mags will work with 9mm, just FYI.When asked what qualities he most valued in his generals, Napoleon said, "give me lucky ones."Comment
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The allowable feed lip gap dimensions are:
10 mm .360 to .370
.45 cal .425 to.435
Source: The gun digest book of the Clock, by Patrick Sweeney, Page 176Last edited by 003; 08-30-2016, 8:55 AM.Comment
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Being a 10mm guy but not a Glock guy this may be a dumb question, but could you reshape the feed lips?Only slaves don't need guns
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