Frequently Asked Questions
What are firing pin spring cups used for in a Glock?
Spring cups are small internal components that secure the firing pin spring in place. They’re essential to maintaining proper striker tension and safe, consistent ignition in your Glock.
Do I need to replace spring cups regularly?
While not a high-wear item, damaged or lost spring cups can cause ignition failures. Replacing them is a smart move during slide rebuilds or firing pin upgrades.
Is installation difficult?
Installation is straightforward with the right tools and care. NDZ recommends using a firing pin tool or Glock-specific disassembly tool for safe removal and installation.
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