Modern Design & Materials For Consistency, Reliability & Superior Performance
Manufactured exclusively with aerospace-quality, chrome silicon for
superior durability and performance. After winding, each spring is
heat-treated, shot peened and stress relieved for long-lasting,
reliability. 20-round springs are designed for use with standard
magazine followers. 30- and 40-round springs should be used with
green, mil-spec followers.
AR-15, Issue:09, Page:056
Big Book Catalog, Issue:66, Page:054
Law Enforcement / Police Store, Issue:02, Page:001
New Product Supplement, Issue:566, Page:015
SPECS: Chrome silicon steel wire.