- This topic has 6 replies, 4 voices, and was last updated 5 months, 2 weeks ago by Kenk.
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July 16, 2023 at 11:26 am #1232The_ShadowModerator
Glock 20SF Factory spring test
It takes 5lb 3oz to start the slide to move from the locked position
Full retraction at 18lb 0oz at lock openWith the Wolff “Non Captive” steel recoil rod
Glock 20SF spring test Wolff Gun Springs 22lb RSA installed
It takes 6lb 4oz to start the slide to move from the locked position
Full retraction at 22lb 9oz at lock openGlock 20SF spring test Wolff Gun Springs 24lb RSA installed
It takes 7lb 6oz to start the slide to move from the locked position
Full retraction at 24lb 1oz at lock openGlock 20Sf Factory spring test
It takes 5lb 3oz to start the slide to move from the locked position
Full retraction at 18lb 0oz at lock openWith the Wolff “Non Captive” steel recoil rod
Glock 20SF spring test Wolff Gun Springs 22lb RSA installed
It takes 6lb 4oz to start the slide to move from the locked position
Full retraction at 22lb 9oz at lock open22-Slightly over a pound difference 1lb 1oz to start the slide to move from the locked position
24-Slightly over a two pound difference 2lb 3oz to start the slide to move from the locked position
22-Slightly over a 2 pound difference 2lb 9oz at lock open
24-Slightly over a 6 pound difference 6lb 1oz at lock openGlock 29 Factory spring test
It takes 4lb 5oz to start the slide to move from the locked position
Full retraction at 16lb 10oz at lock openWith the Wolff “Dual Non Captive” Steel recoil rod setup
Glock 29 spring test Wolff Gun Springs 21lb RSA installed
It takes 6lb 4oz to start the slide to move from the locked position
Full retraction at 21lb 3oz at lock openGlock 29 spring test Wolff Gun Springs 23lb RSA installed
It takes 7lb 1oz to start the slide to move from the locked position
Full retraction at 23lb 5oz at lock openNOTES: 4Gen and 5Gen
The Newer generation Glocks had changes to their recoil systems, the “frames” and “slides” are different where the recoil rod fits the front of the slides purchase. The opening is larger where the recoil spring sits. -
July 19, 2023 at 4:19 am #1317Mk319Participant
So which do you recommend for a g20 that shoots mainly borderline too hot reloads?
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September 22, 2023 at 2:47 pm #1727The_ShadowModerator
22 lbs recoil spring has worked flawlessly for my G-20SF and Smith and Wesson 1006 using 10mm and 40SW ammo with the conversion barrels for each!
I have several aftermarket & conversion barrels for the G-20 and the 22 lbs covers all of these.
10mm aftermarket 5 1/2″ threaded and 9″
40SW conversion
357SIG conversion
9x25Dillon conversion
The 9mm conversion works but it has its own recoil setup!- This reply was modified 6 months, 1 week ago by The_Shadow.
- This reply was modified 6 months, 1 week ago by The_Shadow.
- This reply was modified 6 months ago by The_Shadow.
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September 27, 2023 at 11:49 am #1741KenkParticipant
Great info, Thanks Wade!
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October 10, 2023 at 7:57 am #1787MTJonParticipant
I tried my 22 lbs spring on a recent range trip using Blazer Brass 180-gr which the site says it is 1200 fps… I had lots of FTF, some FTE and some nose diving while trying to load.. out of the 25 rounds that I went through, it was more of a hassle to use. For now I’ll just go with the OEM spring. I will retry with different ammo and see how they handle in my G20sf.
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October 10, 2023 at 8:53 am #1788KenkParticipant
You would think the hotter ammo would feed more reliably with the 22 lb setup
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October 10, 2023 at 8:53 am #1789KenkParticipant
You would think the hotter ammo would feed more reliably with the 22 lb setup
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