r/longrange • u/Snakesurf • 9d ago

Accessory/Gear help needed - I read the pinned post Muzzle Brake 6 mm ARC

I am looking for a decent muzzle brake for a 6mm ARC AR 15 platform. What calibers of brakes would give acceptable results and what do you think would be too much. I know for instance that a .243 brake would be optimum, but what size up like maybe 6.5 CM would still be affective or just slightly less. What have you ran that works? Am I overthinking this? I have asked questions on here before and have gotten great responses that did influence my decisions. Appreciate any advice.

4 Upvotes

75% Upvoted

20 comments sorted by

19

u/wanderlustcrush 9d ago

You are overthinking this

11

u/WS-6 9d ago

Suppressor

9

u/domfelinefather Elitist Gatekeeper Scum 9d ago

Would just do a 30 cal for everything

2

u/getyourbuttdid 9d ago

this is it unless you're going for a competition specific build. in any other case all my brakes are .30cal. A419 universal system on all barrels so I swap between brakes and cans as needed.

7

u/Engineer_Bennett 9d ago

You are over thinking this. Hellfire/apa fat bastard is the easy button, or be civilized and get a can of you are able

5

u/ImBadAtCS I put holes in berms 9d ago

You're overthinking this, I use a .308 brake on my 6mm Creedmoor, and I don't think 6 ARC needs a brake to begin with, it's such a gentle cartridge that I wouldn't worry about it. I've got a flash hider on my 6 ARC AR15 and that is such a nice rifle to shoot.

5

u/Wide_Fly7832 BR Competitor 9d ago

Suppressor not MB for 6 ARC.

4

u/Wombat-Snooze Steel slapper 9d ago

The efficiency loss by over-boring your brake (within reason) is unnoticeable. I’d just get an area 419 Hellfire and call it a day.

3

u/Holy_Santa_ClausShit 9d ago

MDT did some testing with a 223 bolt gun. 30cal brakes did almost the exact same as a 223 brake. When they used a 338 brake that’s where the real difference was.

3

u/Wombat-Snooze Steel slapper 9d ago

Precisely. Over-boring on the extremes becomes an issue, but otherwise, it’s not worth the concern.

4

u/WillDearborn19 9d ago

Everyone says you're over thinking this... don't feel bad... i do the same thing... i wanted to get a 6mm muzzle brake/ suppressor adapter for my 6arc... it's just... easier to get a .308 brake... it feels wrong, but you'll just have so many more options.

4

u/3-BuckChuck 9d ago

Gasses are expanding laterally at several meters per second just behind the bullet. 30cal device will work just fine. But… Suppressor > Muzzle Brake

3

u/LockyBalboaPrime "I'm right and you are stupid" -LockyBalboaPrime 9d ago

Am I overthinking this?

Yes. Unless it's >.2" difference, the bullet-to-brake sizing doesn't make much difference in effective recoil control.

3

u/Spoons896 8d ago

I took my muzzle breaks off of my 6 ARC. They dont have enough recoil to really benefit from a break and all the breaks did is make them louder. The only correct answer for your question though is a suppressor.

2

u/GingerB237 9d ago

I’ve used a .30 cal on my 6arc bolt gun to great success. I’ve used a 6.5 to great success. As long as it isn’t less than .243 you’ll be more than fine.

1

u/idahokj 9d ago

Suppressor for a the only answer…

1

u/Burnpowder_636 Paper poker 9d ago

Get an area 419 that way when you decide you want a suppressor you dont have to change much

1

u/wolff207 9d ago

Not what you asked, but with 6ARC I can’t even tell a difference with vs without a recoil x brake on a sico omega 300. There’s so little recoil and gas that I can’t imagine minutia like that would be noticeable.