Strike AR Advanced Receiver Extension Mil-Spec 7075 T6 Aluminum Extension Tube, Black Md: SIARARET7BK<>
The Strike Industries Advanced Receiver extension brings an updated aesthetic and increased functionality to an often neglected, yet highly important component of the AR15/AR10 weapon system. The scalloped surfaces decrease friction with tight fitting stocks, and shaves weight while retaining mass in critical stressed areas.
