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Old 01-19-2013, 09:15   #1
TIEKEN
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g20 vs g29 muzzle velocities

Hey all. Wondering if anyone can drop a quick note about the differences in these muzzle velocities. I know there is a bit of difference but is it negligable or significant. My intended use would be range time, personal defense and poss hunting (at some point in the distant future). Thanks
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Old 01-19-2013, 09:23   #2
dizmodeus
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Depends on the ammo but 100 to 150 fps difference on average
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Old 01-19-2013, 10:11   #3
GRT45
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Hello TIEKEN, welcome to Glock Talk.

GT member icelandicstud made some videos with chrono data that were very helpful to me. He posted the videos here: Range Trip - Glock 29 20 & longslide 10mm stuff. I summarized the results pertinent to your question below:

Underwood 10mm 180gr GD JHP

G29 with 3.78" Storm Lake barrel: 1262 fps avg
G29 with 3.78" Glock OEM barrel: 1231 fps avg
G20 with 4.60" Lone Wolf barrel: 1346 fps avg

Underwood 10mm 165gr GD JHP

G29 with 3.78" Storm Lake barrel: 1362 fps avg
G29 with 3.78" Glock OEM barrel: 1308 fps avg
G20 with 4.60" Lone Wolf barrel: 1409 fps avg

Underwood 10mm 135gr GD JHP

G29 with 3.78" Storm Lake barrel: 1524 fps avg
G29 with 3.78" Glock OEM barrel: 1499 fps avg
G20 with 4.60" Lone Wolf barrel: 1630 fps avg
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Last edited by GRT45; 01-19-2013 at 10:54..
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