One caliber under muzzle brake

[david walter]

How much effectiveness is lost when I use a 6.5 diameter brake with a 6mm rifle?

I have a couple 6.5 three-chamber brakes, and a 243AI that I want to brake. I can spend the $$ on a 6mm brake, but wonder if the 6.5 brake will be nearly as effective?

Good? Bad (and if so why)?

 

[dimar1492]

Many run 30 cals on everything including 6mm. The difference isn't noticeable, maybe a couple percent

 

[JBoomhauer]

Here’s a screenshot from area 419.

 

[david walter]

Perfect! Thanks.

I suspected as much. There is so much knowledge on the ‘hide I figured I’d ask.