Originally Posted by AZDUDE95
Shoot under water.
Your list looks good. I like to Check recoil spring by aiming gun verticle (unloaded ofcourse) no magazine, pull slide back and slowly let forward to see how slide goes into full battery. Doing this with a new gun will give a good point of ref. May have to upgrade to a new style trigger bar being a 4256-1 vs. old style 4256.
+1 to adding this to the list. From what I understand, this is the glock armorer's method to checking recoil spring wear.