SPRINCO AR-15 M4/M16 Molla del Martello Potenziata

This Enhanced Hammer Spring is made to MIL-W-13855 specifications to ensure reliable function for a long service life. The Hammer Spring is made of 17-7 PH Stainless Steel that has been heat treated and stress relieved, passivated, and precision tolerances. The springs are cryogenic processed and moly plated. It is always important to have some backups and Sprinco USA has you covered. FEATURES / INFORMATION: Replacement AR-15 M4/M16 Enhanced Hammer Spring Made to MIL-W-13855 standards Compatible to Mil-Spec diameters Triggers Extreme duty cycles provided while maintaining performance specifications Made of 17-7 PH Stainless Steel Compatible accessories see under this article, accessories. _____________________________________________________________________________________________________________________________________________________________________________________________ General Informations The Sprinco Replacement AR-15 M4/M16 Enhanced Hammer Spring is made from high quality material to produce long lasting durability. Standard for US military, recommended by professional gunsmiths.MADE IN THE USA