Strike Industries SIARFWSC AR-15 Carbine Flat Wire Spring 17-7 Stainless Steel
Product Features & SpecificationsThe SI Carbine Flatwire Spring is an economical, easy upgrade to any AR system with a carbine buffer 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 add
