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Lone Wolf Firing Pin Spring
Choose from 3 different firing pin spring options.

Custom Service
Starting At

Weight :

Use the dropdowns above to select which firing pin spring you would like.

Lightweight Spring
  • Lightest we recommend
  • Recommend replacing every 6 months to maintain reliability
  • Can cause light primer strikes depending on ammo and the rest of parts installed
  • Creates a very light trigger pull
Mid-weight Spring
  • Best overall striker spring
  • Lighter pull than OEM, but still reliable
  • Included in all our slide builds and slide build kits

Factory Weight Spring

  • Mimics Glock OEM GLO-63 spring
  • Great for OEM replacements at a reduced cost