A blast shield for those restricted states - SilencerCo ASR Blast Shield

For those who live the restricted states, a blast shield like this one is the best option if you want to redirect the sounds and blasts away from you and your neighbors. California forbids not only the use of silencers but also flash hiders, therefore making use of blast shields a necessity. ASR pattern offers the riflemen most options in terms of selections of brakes and compensators. It is not as expensive as Surefire but just as effective. Sure, it decreases the effective of muzzle devices, but you will still better off than using a flash hider or a thread protector.