G20 slide on Gen 4 G21 frame? [Archive] - Glock Talk

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xrmattaz
01-10-2012, 05:16
Searchy thing not working for me.

No compatibility issues using my 3rd Gen G20 slide on my 4th Gen G21 frame, correct? Yes, I'd change out the ejector, and use the appropriate 10mm magazine.

Missing anything else?

HexHead
01-10-2012, 05:29
Searchy thing not working for me.

No compatibility issues using my 3rd Gen G20 slide on my 4th Gen G21 frame, correct? Yes, I'd change out the ejector, and use the appropriate 10mm magazine.

Missing anything else?

4th gen frame is set up for the dual RSA.

arushus
01-10-2012, 06:37
Im really not sure if this would work or not, interested to see the results...

xrmattaz
01-10-2012, 07:03
Picking up the 4th Gen G21 in a little bit.

Understand the dual recoil spring thing, and realize the muzzle end of the rod is larger, but isn't the tail end the same diameter?

Guess I'll find out in a few hours.

xrmattaz
01-10-2012, 15:29
Hex, you were correct, it's a no-go. The nose of the Gen 4 slide (frame) is cut quite a bit different than previous Gens.

Oh well, I'll just enjoy my G20SF as is, and my new G21 4th Gen as is.




4th gen frame is set up for the dual RSA.