SPRINCO AR-15 M4/M16 30 Round Magazine 17-7 SST Spring

This 30 Round Magazine Spring is made to ISO 9001:2008 specifications to ensure reliable function for a long service life. Store your SHTF go-to magazines indefinitely to full capacity without spring fatigue! The Spring are made from high quality 17-7 stainless steel wire stock and Heat treated for long term reliability and strength and are a drop in replacement to fix your used 30 round mag. It is always important to have some backups and Sprinco USA has you covered. FEATURES / INFORMATION: Replacement AR-15 M4/M16 30 Round Magazine Spring Made to ISO 9001:2008 standards Fits most Magazine Bodies and Tilt Followers including USGI, MAGPUL, LANCER, HEXMAG, ORLITE Made from 17-7 stainless steel wire stock, Heat treated Compatible accessories see under this article, accessories. _________________________________________________________________________________________________________________________________________________________________________________ General Informations The Sprinco 30 Round Magazine Spring is made from high quality material to produce long lasting durability. Standard for US military, recommended by professional gunsmiths. MADE IN THE USA