Use the stock 40 mag don't alter in any way . BUY THE STANDARD GLOCK 357 SIG BARRELL .FOR THE FULL SIZE PISTOL & some new 357 sig ammo enjoy.I have a glock 22 gen 2.
looking to buy a 357 sig conversion barrel.
I'm trying to find out what magazine to use.
Does a sig mag fit the glock?
I've heard you can use the glock 40 mag but need to alter it.
Can anyone help me?
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