Glock 20 owners, parts question

A

ACandian

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Northern BC
I'm planning on shooting heavy loads out of my Glock 20 . I'm reading threads that are suggesting heavier recoil spring and possibly even guide Rod as well.
Looking for thoughts and experiences regarding the upgrade and as well who carries lots of Glock Parts in Canada??
Thanks Gents
 
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The Glock 20 is a very versatile 10mm. Most 10mm factory loads are 180's with the odd 200 grain factory loads. Even heavier factory loads in the 220 grain range mean less powder & velocity over the standard factory offerings. The Glock 20 will handle them all easily.
Where you might want to change parts is when you are using a steady diet of high velocity 135 grain factory loads or similar. Glock 10 mm reloaders must use extreme caution if you plan on trying to achieve 9mm+P+ velocities with reloads or trying to employ 250 or heavier grain reloads.
 
Mine was good with fairly stout loads of 7.2gr of titegroup and 200gr tmj. Then I upped it to an underwood copy (I believe) of 8.4gr longshot and the same 200gr tmj.

This is when I began to have feeding issues.
I believe it was unlocking prematurely.

I have not fired since swapping recoil spring and adding the aftermarket barrel. I believe it's 20b, but may be 22 lb.
 
I have shot hot load out of my stock g20. No issue other than losing brass. I do want to get a heavier spring simply to prevent the brass from reacting low orbit.
 
Depends on what you plan to shoot. To be honest if its factory ammo you don't need to do anything. 95% of factory 10mm is nothing more than .40sw load data in a 10mm case. If you are going to load you own and really push it you might want to upgrade the recoil spring but I dont think you will need to. I shoot some pretty peppy loads out of mine without issues. My go to powder for 10mm is bluedot
 
Paul Harnell on his youtube channel did a test of factory 10mm loadings vs 40 S&W. The standard 180 grain bullet used in both calibers had similar properties, except cost to buy. While the 10mm might have a slight edge on velocity, that edge didnt prove to be significant in the test. ....what mmcintryre1220 said.......
 
Went with the guide rod and 20 lb spring, and a 6" aftermarket barrel for better case support, but more for the reason the brass is in better shape for reloads. I have a 22 lb as well, but the 20 has been fine with full 10 power loads. I haven't tried to go higher than full 10, like some have. Full 10 is strong enough imo lol. I have ordered parts from Lone Wolf in the US with no issues. I also have a 40 conversion barrel for cheaper reloading. Go to Glocktalk.com for all kinds of info on different powder reloads, bullet weights, and all kinds of great info. The 6 inch barrel is nice, it adds 150-200 fps to velocities.
 
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