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Ships within 48 hours · Estimated delivery Jul 25 - Jul 30
Long screws for stacking will be included with purchase of 2 or more sets
Designed for use with ISMI’s single flatwire spring replacement
This 11coil mag spring is for use in standard capacity 17/22 models and will work with most plus 1 and 2 extensions
Designed for use with ISMI’s single flatwire springs
For use in 40rd AR-15 magazines
2011 Magazine Spring 140MM Sig Long screws for stacking willManufactured from Chrome Silicon alloy these springs are designed to take less initial set to enable a more stable load and increased service life. This 11coil spring is meant for use in STI SVI magazines up to 140mm.