High Quality Content by WIKIPEDIA articles! An insurgency weapon is a weapon, most often a firearm, intended for use by insurgents to engage in guerrilla warfare against an occupier, or for use by rebels against an established government. While the term insurgency weapon is not generally used outside of the Hillberg designs mentioned below, there are a number of documented firearms that share many similar characteristics, and may be classified under the same label. Similar in purpose is a sanitized weapon, which is a weapon of any sort that has had normal markings, such as the manufacturer`s name and/or serial number, omitted or obscured in an attempt to hide the origin of the weapon.