Strike Industries Flatwire Carbine Spring | SI-AR-FWS-C

This flatwire carbine spring made by Strike Industries is an economical and easy upgrade to any carbine buffer system. The spring adds an increase to the service life of the platform, a smoother shooting cycle, and typically outlasts the stock spring.

- Cryo-cycled 17-7 ph steel for strength, reliability and longevity
- Decreased harmonics lessens system vibration for faster follow up shots.
- Increased Bolt load for more positive feeding
- Reduces distracting AR `twang`

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