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Old 11-28-2012, 22:15   #2
Ret. Fireman
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Join Date: Jul 2007
Location: Southeast, LoUiSiAna
Posts: 4,472
Get some of each! They are not too expensive. That way you can swap for the ammo impulse your intended on using. Higher impulse ammo also tosses the brass in a low earth orbit, the extra power springs tend to help them stay a little closer in. Some have had issues with certain types of aftermarket springs in the g-20's, so check and search to see who is getting best results with what type. Maybe some one could shed more on the G-20 RSA for you.

I use the WolfF Gun Springs two piece recoil rod and dual 21 lb spring set on my Glock 29. I also use the 22lb on my S&W 5" guns.
Southeast, LoUiSiAna
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