Sep 1, 2026
A bolt carrier assembly for a firearm, including a bolt carrier and a gas key, the gas key having at least one hole along a median plane for receiving a fastening element, and the hole including a bore extending along the hole axis and through a central point and a recess in the upper region. The gas key includes a region of minimal wall thickness, and the gas key is fastened to the bolt carrier by means of at least one fastening element, where for securing the fastening element at least one staking is formed on at least one side wall of the gas key that is spaced apart from the region of minimal wall thickness.
