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Mfg Item #: AR10FWS
The SI Flatwire Spring for is an easy upgrade to any .308 AR system. The flatwire spring increases service life of the platform, smooths out the shooting cycle and greatly outlasts the stock spring. Increased bolt load, in addition to decreased compressing force increases reliability in cycling.
| Type | Recoil Spring |
|---|---|
| Model | Flat Wire Spring |
| Series | Flat Wire Spring |
| Material | Stainless Steel |