STRIKE INDUSTRIES AR Carbine Flat Wire Spring

STRIKE INDUSTRIES AR Carbine Flat Wire Spring\n\nUpgrade any AR with a carbine buffer system using this cryo-cycled flatwire spring. It smooths the recoil cycle, reduces the classic buffer \"twang,\" increases bolt load, and delivers long service life with consistent performance at high cyclic rates.\n\nPackage Includes\n- 1x Carbine Length Flatwire Spring\n\nFeatures\n- Cryo-cycled 17-7 PH steel for strength, reliability, and longevity\n- Reduced harmonics for less vibration and faster follow-up shots\n- Increased bolt load for more positive feeding and reliable cycling\n- Mitigates distracting AR buffer spring twang\n\nSpecifications\n- Outer Diameter (OD): 0.94\" \n- Inner Diameter (ID): 0.75\" \n- Length: 13 7/8\" \n- Rev: 35\n- Gauge (flat wire profile): 0.045\" × 0.0935\"