G20 Upper - Buy or Build

[dozer wright]

I'm not looking for anything, the OP is.

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Your looking for something.
O.p. asked about a Glock 20 slide factory or otherwise.
You chimed in you see slides that work with a Glock 20 but they are not Glock 20 slides. Yes they are aftermarket Glock 20 slides.

[Svashtar]

Thanks; that's a better price than my local Turner's. Where is sportsmans? The days of me buying online are over. My LGS wants just shy of $150 now to receive a firearm. He used to charge me $35... Thanks.

[Svashtar]

Check ebay usually around $200 for a Glock 20 slide.

They used to be $300 several years ago. I couldn't find any now. Lot's of G20 parts only. I'll keep looking, thanks.

[Svashtar]

Why not just buy a 10mm barrel for a 21 then a recoil spring and extractor?

If the lugs/ hood doesn’t fit on your current barrel you can have it cut to the right size, if the barrel is too long you can have that cut down also.

Thanks, I considered that, but want a complete upper I can quickly swap out with my G21 upper. I meant to do the same with a G30, but it's a dedicated CCW so I just bought a complete G29 on sale, which ended up working out better. (I think I paid $525 out the door for the G29, so that tells you it was a few years ago.) In this case though the G20 might go camping, so it's a better fit to have one frame and two slides.

[Svashtar]

You are Looking for a complete Glock 20 oem Slide and Barrel ? If your looking to save money . Doing either after market or Factory won't save much. And will proabably cost you damn near as much as a new Pistol.
I've put together a number of Slides for the Glock 20 , 6 inch Longslide and Rmr cut..
Set up. A couple from Lonewolf and a Couple from Rock Slide been very happy with them.
If the Slides work on the Glock 20 they will work on the Glock 21 as they are the same frame. I'd recommend going to a 21 or 22 lb Flat wound spring seems to provide the best recoil Reduction and reliability.
Good luck with your endeavors.

Thank you; I found tons of Rock Slide slides for sale, but read nothing but horror stories about them and their customer support. Too many for me to discount. I don't recall if I checked Lonewolf, but every slide I found online was for a 9mm platform, with one supplier having one for a G23. I appreciate the tip on the spring very much.

[Svashtar]

+1 if just want to shoot 10mm out of a G21, get the 10mm conversion barrel for G21. Conversion barrels are designed to fit exactly.

I know, I have a couple. But you also have to change the extractor on this one, and I already have the G21 slide setup with Trijicon night sights, so was looking for an RMR cutout for the 10mm (not just for a range toy but for hunting if needed.)

[omega]

the G20 slide is a little heavier = 17.30 ounces

the G21 slide is lighter = 16.70 ounces

it's best to have a complete matching upper , instead of mixing non factory parts

would the different slide weight make much difference? the G20 slide is about a half ounce heavier

I would buy a complete G20 instead of converting a G21

[fish45]

Thanks, I considered that, but want a complete upper I can quickly swap out with my G21 upper. I meant to do the same with a G30, but it's a dedicated CCW so I just bought a complete G29 on sale, which ended up working out better. (I think I paid $525 out the door for the G29, so that tells you it was a few years ago.) In this case though the G20 might go camping, so it's a better fit to have one frame and two slides.

[NATEWA]

If an upper and mags is more than $400, I’d buy a complete gun.