Bootleg CamLok Handguard, M-LOK, Fits AR Rifles, 13.5, Black BP-HG13-4 The new Bootleg CamLok Handguards are the next evolution in lightweight" easy to install AR-15 handguards. These handguards are extruded 6061 Aluminum and feature a Mil-Spec Hard Coat Anodizing. The simple CamLok system ensures that the handguard can be installed quickly and stays put.