Strike Industries Lightweight Forward Assist, Black SI-AR-S-FA-BK The New Strike forward assist is the latest addition to the Strike Industries line of performance AR parts. The Forward Assist Plunger is made of lightweight aluminum for those looking to retain the functionality of a forward assist" while seeking weight savings wherever they can. The forward assist pawl is constructed of tool steel to ensure positive engagement of the forward assist ratchets on compatible bolt carriers and maintain long service life.