FN America Ejector/Selector Detent Spring

Manufactured by FN America
SKU: 36045
MPN: 36045
Manufactured by FN America
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NOTE: Limit 3 per household. Quantities exceeding 3 will not allow checkout.

Standard orders received before 4:00pm CST will ship out the same day. FFL orders will ship within 3 business days as long as we have the information for the transfer destination.



As any high-volume or competition shooter of an AR-15 style rifle will tell you, whatever moving parts your rifle has will need maintenance over time. FN America understands this better than most and offers various replacement components to keep your rifle at an optimum performance level.

  • Type: AR-15 Mil-Spec
  • Use: New Builds/Maintenance
  • Used for your BCG ejector or safety selector
  • Material: Steel

For those frustrated by a detent spring going airborne when you perform complete maintenance on your AR-15, FN America offers this unfinished Ejector/Selector Detent Spring. The FN America Detent Spring is a steel Mil-Spec coil. If you want to keep your rifle in tip-top condition, you know over time, the spring which fits into the lower receiver and depresses against the Ejector/Selector pin will eventually stress and need to be replaced. When you do a deep clean and maintenance on your AR-15, you'll want to purchase an ample supply of these springs from FN America just in case.
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BrandFN America

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