AR-STONER AR-15 Carbine Flat Wire Buffer Spring

The AR-STONER Flat Wire Buffer Spring is perfect for your next custom AR-15 build. 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 compression force increases reliability in cycling. FeaturesCryo-cycled 17-7 ph steel for strength, reliability and longevityDecreased harmonics lessens system vibration for faster follow up shots. Increased bolt load for more positive feed