loudest/most effective vz 58 brake available

[skeetshooter]

i just bought couple of vz 58s was looking to put the absolute loudest brake on it and provide a bit of recoil reduction. i like loud. threads are 14x1 LH which if I'm not mistaken are the same threads as an ak

 

[Lopro]

could I ask where you bought them ? very interested in picking on up