Videos tagged with Component Function

This guide explains the function of the buffer tube in an AR-15 or AR-pattern rifle, as demonstrated by Jared from GUNBROS. The buffer tube is a critical component of the operating system, housing a buffer and spring. Upon firing, the bolt carrier group compresses this spring and buffer assembly as it moves rearward, and the subsequent expansion of the spring drives the BCG forward to chamber the next round. This process is essential for the semi-automatic function of AR-pattern firearms.