It is a part of 2 universes (CB and AMFR) so here is the descriptions CB univsere The PUR1 is an acronym for "Pulse Rifle MK1" and is Coderica's first attempt at a multifunction energy rifle. The PUR1 is able to burn through 120 rounds a minute, making it a viable option for a lightweight submachine rifle. The PUR1 is also Codericas first rifle able to pierce through basic thin all around infantry shielding. AMFR universe The PUR1 is an acronym for "Pulse Rifle MK1" it is used too go through enemy tanks and armored vests
Thanks alot to to @callmehNOOB123 for making an improved version of CBU description
