Most effective AK flash hider/brake?

I don't think you'll get a solid "best" answer.
Other then the slant brake, any of the brakes will help control muzzle flash, weither it works as a brake or not.
Can't really say about the flash hiders, don't think I ever tried any of them. But DPH has an AR style bird cage one for $10, fairly cheap if you want to get one to try.

The Bulgarian 4-piece is intreaguing to me. What are the four pieces? How does it work? I see it's about the most expensive option, is it worth it? Is it strictly a 5.45 unit? Or is it available for the classic 7.62?

Thanks for the pic, I don't think I ever saw one apart.

PWS makes compensators and flash suppressing compensators. They have two AK specific models, the J-Tac47 is a compensator. And the FSC47 which is dual purpose.(but they do have BATF letters confirming they are all non-flash suppressors) You can check out their demo videos here:
YouTube - PrimaryWeapons's Channel

JTac page - J-Tac47 - Compensators - PWS
Has a video showing AMD65 one-handed.

FSC page: - FSC47 - Compensators - PWS

chipmechanic said:

Calling it a "4 piece" unit is a bit of a stretch. The 4th piece is the spring clip on the shell. They are avaialble in 7.62 and they reduce flash almost as well as a silencer. That cone baffle is damn near a silencer baffle. They're legal though.

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Totally agree with chipmechanic. If you've ever fired an AK pistol or SBRed Krink, you know what kind of fireball they produce. This nearly eliminates it. It's the most effective flash hider I've seen.

Thanks for all the input.

PWS FCS30 on my standard length barrel. No magic maker, but it compensates very well over the cheap stuff. They also have outstanding customer service. Have not shot it at night. I would like to compare it to a faithfull recreation of the 74 style brake.

Oh, they also have one that looks very similair to the above Bulgy unit, the CQB Comp, 30 cal. Provides compensation and flash hides, optimised for indoors.

It also costs twice as much and doesnt do anything the Bulgy unit doesnt do. The Bulgarian four piece is the standard for flash suppressors. Anything else is just a crappy copy with bling thrown on.

No shit. Nobody said the Bulgarian wasn't good. I'd like to find one in 1/2X28 myself.

Ive seen the 1/2x28 to 24x1.5 mm thread adapters. I cant think of where though.

I have used two flash hider/compensators that I got from cheaper than dirt. I am shooting 124gr. hollow points. Without ear protection my 16" barrel will deafen me. The slant break works better, but it is not a flash hider. Some evening I'll try it without the break at all and see what happens.

I'd rather like to make one of those FHs, but it could be very easily classified as a suppressor by the ATF, Noveske makes something like that too, I'll have to go look at their patent drawings If I can find them...

Looks like I'm gonna have to buy one commercially, I don't want a trip to "federal pound me in the ass prison" as it was put in office space... In MN you don't even get to register suppressors, so this is the next best thing...

chipmechanic said:

Your'e right though. I don't know how those guys got by without the ATF ruling them to be silencers. I certainly wouldnt want to build one without a form 1 in hand.

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I had pondered this topic as well, the cone itself looks like something straight out of a suppressor. I believe however that because of the relatively low internal volume, coupled with the solitary nature of the "baffle", that the nominal sound level is not reduced to the point that the ATF is currently concerned about it.

However, I did notice that they are all serialized. Possible future NFA classification/grandfathering foresight?