A agtman Moderator Mar 8, 2016 #21 I have no trouble with 40 conversion of a Glock 20. I don't know why 357 sig would be different. Click to expand... Shouldn't be. Both are 10mm-derivative cartridges.
I have no trouble with 40 conversion of a Glock 20. I don't know why 357 sig would be different. Click to expand... Shouldn't be. Both are 10mm-derivative cartridges.