Good Side Port Brake for .670 Barrel?

[imohunting]

My barrel is .670 at the muzzle and was wondering what a good side port brake for that would be. Would like it to match the contour. Any ideas? Thanks

[Broz]

Holland offers some good options for the smaller contours.

Jeff

[Tikkamike]

Muscle Brake and the CSR brake from center shot rifles

[sj-pratt]

.670 diameter does not leave much room for ports, the bigger the braking surface the more effective the brake is. If your rifle is a larger caliber you might want to give a little on looks and get one that workd really well. Here's a picture of a brake If I remember right the barrel was about .650