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Old 01-17-2013, 10:32   #917
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Join Date: Sep 1999
Location: Hartford, Vermont
Posts: 17,106
Originally Posted by unit1069 View Post
I haven't shot any hyped .357sig ammo except for some 2007-version of Double Tap that may or may not live up to stated velocity figures, but I do know that every range and premium JHP ammo I've shot after installing the Wolff #20 RSA system is much more manageable than with the stock Glock RSA assembly. I understand that Underwood's published figures are the real deal so if you've moderated the recoil with the #20 spring then we've got another testimonial for the heavier assembly.

It just hasn't made any sense to me why Glock uses a standard 18# spring for 9mm, .40S&W, and .357sig. Instinctively I feel that .40S&W and .357sig should have a heavier spring load than 18# as standard issue.
And a spring change in a Glock is a simple maneuver . . . .
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