For all semi-automatic rifles based on the AR15. These springs have been designed to maximize the performance of your rifle. They provide reduced hammer and trigger return pressures to give you a lighter, more consistent trigger pull.
Wound from aerospace spec chrome silicon wire; they are heat treated, shot peened and stress relieved after winding. This post-winding processing provides you with springs of the highest possible quality component with a durability that cannot be matched by music wire (high carbon steel) springs.
Sold as a set only, they require no modification to your rifle for installation.
