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Old 02-23-2017, 05:29 PM   #1
TheAKGuru
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Default Bulgarian 4 piece

I need a to lighten the concussion and flash on my m92. Do you think i'd notice any difference between the bulgarian 4 piece and the cnc warrior 4 piece? They are essentially the same thing right?
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Old 02-23-2017, 09:02 PM   #2
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The difference is the Bulgarian has chrome lining and the Cnc does not... Very similar
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Old 02-24-2017, 02:12 AM   #3
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They don't make a Bulgy 4 piece with 26mm threads, so you'd need an adapter.... I have the CNC and it's amazing. Very true copy. I'd get that. I had a real deal Bulgy on my SLR-107 and the CNC works just the same.
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Old 02-24-2017, 02:36 AM   #4
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The CNC copy works great , eliminates flash and projects concussion forward. Which is a good thing
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Old 02-25-2017, 03:31 PM   #5
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Quote:
Originally Posted by Funkov View Post
The difference is the Bulgarian has chrome lining and the Cnc does not... Very similar
The CNC Warrior model is nickle plated.

I have the CNC one on my M92, and can't tell any difference in the blast from mine and bud's Bulgy. It also eliminates virtually all the flash.
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Old 03-20-2017, 11:00 PM   #6
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Originally Posted by Lone Eagle View Post
It also eliminates virtually all the flash.
It sure does. Until it doesn't.

The bulgy 4-pc is a booster. Nothing more, nothing less. It does have the awesome side benefit of throwing more of the hatred and discontent coming out of your muzzle downrange vs at everyone in the immediate vicinity. It isn't in any way, shape or form a flash hider.

This is from a -107UR that was equipped at the time with a Bulgy 4-pc.

https://www.dropbox.com/s/98cq9ndmko...Bump.jpg?raw=1


Ek

Last edited by nalioth; 03-20-2017 at 11:03 PM. Reason: Fixed huge image(s)
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Old 03-20-2017, 11:55 PM   #7
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Both the original 24mm RH threaded Bulgarian and 26mm LH threaded CNCW 4 piece FH works EXACTLY the same. Only difference, the original Bulgarian is chrome-lined and the CNCW is nickel-plated.

CNCW's Buly style 4 piece is awesome. It hides the flash on my M92 very well.

http://i1335.photobucket.com/albums/...ps1agvb5e8.jpg


Fast forward to 2:33 mins to see the CNCW 4 piece FH in full darkness.


Last edited by nalioth; 03-20-2017 at 11:58 PM. Reason: Fixed huge image(s)
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Old 03-21-2017, 07:02 AM   #8
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Quote:
Originally Posted by english kanigit View Post
It sure does. Until it doesn't.

The bulgy 4-pc is a booster. Nothing more, nothing less. It does have the awesome side benefit of throwing more of the hatred and discontent coming out of your muzzle downrange vs at everyone in the immediate vicinity. It isn't in any way, shape or form a flash hider.

This is from a -107UR that was equipped at the time with a Bulgy 4-pc.

https://www.dropbox.com/s/98cq9ndmko...Bump.jpg?raw=1


Ek
Interesting.
This is the first time I've seen that big of a flash out of a 4-piece.
Is it possible that that picture was taken at just the right time to seem like the flash is more pronounced than it normally is.
I've never seen a 4 piece that even semi-consistently put out flash like that.
The ones I've seen have a flash at night similar to someone trying to spark a lighter that has no fuel in it.
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Old 03-21-2017, 11:34 AM   #9
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Quote:
Originally Posted by english kanigit View Post
It sure does. Until it doesn't.

The bulgy 4-pc is a booster. Nothing more, nothing less. It does have the awesome side benefit of throwing more of the hatred and discontent coming out of your muzzle downrange vs at everyone in the immediate vicinity. It isn't in any way, shape or form a flash hider.

This is from a -107UR that was equipped at the time with a Bulgy 4-pc.

https://www.dropbox.com/s/98cq9ndmko...Bump.jpg?raw=1


Ek
Quote:
Originally Posted by Bakwa View Post
Interesting.
This is the first time I've seen that big of a flash out of a 4-piece.
Is it possible that that picture was taken at just the right time to seem like the flash is more pronounced than it normally is.
I've never seen a 4 piece that even semi-consistently put out flash like that.
The ones I've seen have a flash at night similar to someone trying to spark a lighter that has no fuel in it.
Well, most people chop their own barrel. If you chop the barrel and have about 1/8 to 1/4 sticking out the FS/GB (muzzle end not even with the FS/GB), the cone will make contact with the barrel leaving no room for the gas to go in the chamber. Therefore, ALL the gas will just shoot out. That would explain the fireball.

Last edited by islandfocus2; 03-21-2017 at 01:30 PM.
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Old 03-21-2017, 12:17 PM   #10
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Another thing to consider is how tight the front ring is screwed down. If mine isn't screwed down very tight I will get a small quick flash about every 4th or 5th shot. When I screw it down completely tight I get nothing but the empty bic lighter spark effect. BLS effect? haha
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Old 03-21-2017, 12:28 PM   #11
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Quote:
Originally Posted by english kanigit View Post
It sure does. Until it doesn't.

The bulgy 4-pc is a booster. Nothing more, nothing less. It does have the awesome side benefit of throwing more of the hatred and discontent coming out of your muzzle downrange vs at everyone in the immediate vicinity. It isn't in any way, shape or form a flash hider.

This is from a -107UR that was equipped at the time with a Bulgy 4-pc.

https://www.dropbox.com/s/98cq9ndmko...Bump.jpg?raw=1


Ek
My own and other peoples experiences show quite the opposite. How short did you cut down your barrel?

This is my personal AKS-74U SBR. A 7.62 gun should flash even less.

Quote:
Originally Posted by chknfkr View Post
Thanks! I got really lucky with the lighting that day.

The 4 piece is great. Almost no flash at all even from this 8.25" barrel. When it does flash, it's a very short lived fire ring.





The flash cannot be seen by the shooter, only by those next to or in front of the rifle.
And here JMAC rates it #1 for flash supression.

Quote:
Originally Posted by chknfkr View Post
Bulgy 4 piece blows the other flash hjders out of the water.



My own experience with it mirrors JMACs results.
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Old 03-21-2017, 01:06 PM   #12
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Wow what a great video. I am sold i have a 4 piece on my m92 but never shot it at night.
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Old 03-21-2017, 06:24 PM   #13
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Quote:
Originally Posted by Dave Williams View Post
Another thing to consider is how tight the front ring is screwed down. If mine isn't screwed down very tight I will get a small quick flash about every 4th or 5th shot. When I screw it down completely tight I get nothing but the empty bic lighter spark effect. BLS effect? haha
BLS effect. We need to make this a thing.

Q: What's the flash hider with the best BLS effect?
A: The 4 piece Bulgarian of course.


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Old Yesterday, 01:36 PM   #14
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Quote:
Originally Posted by Funkov View Post
The difference is the Bulgarian has chrome lining and the Cnc does not... Very similar
I would like to note that nickel plating offers greater corrosion resistance than chrome. Where as hard chrome offers greater wear resistance than nickel.

"Robert Jeanmenne of Caterpillar, Inc.(2) presented a paper at an EN conference, where he told of substituting electroless nickel for hard chromium in many applications at Caterpillar that had been traditionally hard chrome plated. He stated: "satisfied customers are looking for value." They are interested in the highest quality at a reasonable cost." He also reported that in all cases where EN replaced hard chrome corrosion resistance improved. "En plated parts last longer in corrosive environments." In some cases hard chrome offered no protection in blind holes, whereas En plated in the holes providing protection. In Galling tests EN plated parts lasted twice as long as hard chrome plated parts. The uniform coating thickness of electroless nickel provided better dimensional tolerance characteristics than for hard chrome."

Source: http://www.plateworld.com/editorial14.htm
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