Ive never heard of striker springs needing much maintenance other than someone buying a really old gun and changing all the springs out. Im sure there is some number put out by glock...but, as much as you shoot, I really wouldnt worry about it till you started having light strikes, if you ever do...
Glock 20SF Gen 3
Glock 27 NiB-X Gen 3
Glock 19 Gen 4
Spike's Tactical Enhanced CHF 16" Mid-Length M4
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