Firearms — California Penal Code — Special Rules Relating To Particular Types Of Firearms Or Firearm Equipment — Assault Weapons And .50 Bmg Rifles — General Provisions — Short title Date: 15 Sep 2016 TEXT PDF Current through the 2016 Legislative Session This chapter shall be known as the Roberti-Roos Assault Weapons Control Act of 1989 and the .50 Caliber BMG Regulation Act of 2004. Ca. Pen. Code § 30500 Added by Stats 2010 ch 711 (SB 1080),s 6, eff. 1/1/2011, op. 1/1/2012.