Recoil spring for 400 Corbon conversion [Archive] - Glock Talk

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505Gibbs
12-11-2010, 09:58
With the model 21 - if I purchase the conversion barrel for the 400 Corbon cartridge is there any thought that the recoil spring would have to be raised above the 17# standard one or would it be just a matter of seeing where the cartridges eject before going that route?

thank you

JR
12-14-2010, 16:25
The ejection pattern of the brass will tell you if the spring pressure is enough.

505Gibbs
12-15-2010, 06:21
Thanks for the confirmation JR!