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AR15.COM
3/14/2012 8:29:23 PM EDT
Which do you think is better for self defense glock 21 or a glock 20.
I carry a g20 as my day to day for work and a g29 for my ccw.
But my buddy says his g21 is better.
What do.you think.
3/14/2012 8:51:25 PM EDT
[#1]
More factory ammo available in self-defense loads in .45" ACP.  More .451" bullets available if you handload.  10mm is a great round, but doesn't have the popularity, & hence the variety, of choices the .45" ACP enjoys.

If you're happy w/ yours, & have a load you feel comfortable w/ & can shoot minute of burglar w/, stick w/ it.

Gig 'em,

backbencher
3/15/2012 1:23:36 AM EDT
[#2]
The .45 obviously has the benefits listed above. But the 10mm is no slouch whatsoever as a defensive cartridge. So it depends on how your buddy, and you, define "better."
3/15/2012 4:11:07 AM EDT
[#3]
I own both and wouldn't hesitate to use either;  However, I trust my life to the lowly 9mm...G26!   Between .45 and 10mm, I might give the .45 the edge, simply because my splits are a little faster with .45s.
3/15/2012 10:48:55 AM EDT
[#4]
Other than ammo availability and cost, 45 offers no advantage over 10mm IMO.  Buy in bulk online and the difference in cost is negligable.

I'll take 15+1 rounds of 10mm over 13+1 rounds of 45 ACP any day, personally.  YMMV

EDIT: That said, my G20 is primarily my "woods" gun when carrying open.  I feel my 9's and 40's are sufficient for CCW.
3/15/2012 10:55:02 AM EDT
[#5]
My carry gun is a G29 and a G20-mag reload...

More zip than a .45 with equivalent mass and a couple extra rounds too...
3/15/2012 5:41:11 PM EDT
[#6]
Depends on the use IMHO

If I were in bear territory I would take the 10mm over the 45 simply for the penetrating power.

For everything else I would take the 45 over the the 10mm any day

With that said I love my 21SF

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