AR15.Com Archives
 Cleaning pinned on AK-74 brake
Capt_Wizzbang  [Member]
7/23/2010 9:49:15 PM
I live in upstate NY. Therefore to protect the children my AK-74 has a welded on brake. I know there is an expansion chamber in the 74 brake, but since mine is pinned on, I cannot get to it. Will I have issues eventually (thinking carbon fouling accumulating over time) if I cannot scrub it clean?

I always immerse the muzzle end of the barrel in ballisol after shooting (along with a general cleaning) but I can't physically scrub that little internal chamber, and I'm getting paranoid about it! Should I worry? Or will a ballistol bath be good enough to keep fouling from becoming a problem.

briansmithwins  [Team Member]
7/23/2010 10:57:13 PM
The carbon that accumulates in the brake is some hard baked on shit.

I've never gotten mine near clean w/o scraping it.

If I was in your situation I'd probably run the 24mm thread protector on it instead of the brake. BSW
HeavyMetal  [Moderator]
7/23/2010 11:22:45 PM
I have a ban era 74 that needs unfucked. I just immerse the muzzle in a pot of boiling water and clean by using shooters choice and q-tips. The rest of the gun gets the balistol and water treatment.
dfariswheel  [Member]
7/24/2010 3:37:00 PM
The problems with the brake are corrosion caused by military surplus ammo and carbon fouling build up.

The corrosion problem can be prevented by running hot water down the bore and flooding the brake. This will wash out the salts.
A thin spray lubricant can be sprayed in to prevent rust. Good candidates for a thin lube are Rem-Oil and the feared WD-40, which IS a reasonably effective rust preventer.

The carbon build up will take a long time to cause any problems since the critical areas will build up so far than tend to self clean from the blast.
One treatment is to submerge the brake end of the barrel in one of the carbon cutter chemicals to dissolve the carbon, then use patches from the front to remove as much as possible.
dgposton  [Member]
8/30/2010 12:30:36 AM
Originally Posted By Capt_Wizzbang:
I live in upstate NY. Therefore to protect the children my AK-74 has a welded on brake. I know there is an expansion chamber in the 74 brake, but since mine is pinned on, I cannot get to it. Will I have issues eventually (thinking carbon fouling accumulating over time) if I cannot scrub it clean?

I always immerse the muzzle end of the barrel in ballisol after shooting (along with a general cleaning) but I can't physically scrub that little internal chamber, and I'm getting paranoid about it! Should I worry? Or will a ballistol bath be good enough to keep fouling from becoming a problem.



Hey do you have a pic of your '74 in its current NY configuration? What other requirements do you guys have up there? How do you get around the 10 rd mag capacity issue?
GTwannabe  [Member]
8/31/2010 7:39:44 PM
Originally Posted By dgposton:
Originally Posted By Capt_Wizzbang:
I live in upstate NY. Therefore to protect the children my AK-74 has a welded on brake. I know there is an expansion chamber in the 74 brake, but since mine is pinned on, I cannot get to it. Will I have issues eventually (thinking carbon fouling accumulating over time) if I cannot scrub it clean?

I always immerse the muzzle end of the barrel in ballisol after shooting (along with a general cleaning) but I can't physically scrub that little internal chamber, and I'm getting paranoid about it! Should I worry? Or will a ballistol bath be good enough to keep fouling from becoming a problem.



Hey do you have a pic of your '74 in its current NY configuration? What other requirements do you guys have up there? How do you get around the 10 rd mag capacity issue?


Here is my NY-legal AK-74:



- no folding/telescoping stock
- no bayo lug
- no grenade launcher
- no flash hider or threaded barrel that could accept a flash hider

Mags can be any size as long as they were manufactured prior to 9/14/94. That means virtually all steel AK-47 mags, all bakelite mags, and all plum AK-74 mags are GTG. Most dealers don't understand the law and refuse to ship legal 10+ pre-ban mags to NY.
dgposton  [Member]
9/1/2010 1:27:48 AM
Originally Posted By GTwannabe:
Originally Posted By dgposton:
Originally Posted By Capt_Wizzbang:
I live in upstate NY. Therefore to protect the children my AK-74 has a welded on brake. I know there is an expansion chamber in the 74 brake, but since mine is pinned on, I cannot get to it. Will I have issues eventually (thinking carbon fouling accumulating over time) if I cannot scrub it clean?

I always immerse the muzzle end of the barrel in ballisol after shooting (along with a general cleaning) but I can't physically scrub that little internal chamber, and I'm getting paranoid about it! Should I worry? Or will a ballistol bath be good enough to keep fouling from becoming a problem.



Hey do you have a pic of your '74 in its current NY configuration? What other requirements do you guys have up there? How do you get around the 10 rd mag capacity issue?


Here is my NY-legal AK-74:


http://67.87.96.232:2021/gallery2/d/7518-2/IMG_0160.JPG

- no folding/telescoping stock
- no bayo lug
- no grenade launcher
- no flash hider or threaded barrel that could accept a flash hider

Mags can be any size as long as they were manufactured prior to 9/14/94. That means virtually all steel AK-47 mags, all bakelite mags, and all plum AK-74 mags are GTG. Most dealers don't understand the law and refuse to ship legal 10+ pre-ban mags to NY.


What's the make of that '74? Is it an Arsenal or something else?
You said no flash hider or threaded barrel that can accept a flash hider, but I thought you could have a welded on muzzle brake. Is that right?

That's good to hear that plums are good to go for '74s.
GTwannabe  [Member]
9/1/2010 9:03:23 AM
Originally Posted By dgposton:
Originally Posted By GTwannabe:
Originally Posted By dgposton:
Originally Posted By Capt_Wizzbang:
I live in upstate NY. Therefore to protect the children my AK-74 has a welded on brake. I know there is an expansion chamber in the 74 brake, but since mine is pinned on, I cannot get to it. Will I have issues eventually (thinking carbon fouling accumulating over time) if I cannot scrub it clean?

I always immerse the muzzle end of the barrel in ballisol after shooting (along with a general cleaning) but I can't physically scrub that little internal chamber, and I'm getting paranoid about it! Should I worry? Or will a ballistol bath be good enough to keep fouling from becoming a problem.



Hey do you have a pic of your '74 in its current NY configuration? What other requirements do you guys have up there? How do you get around the 10 rd mag capacity issue?


Here is my NY-legal AK-74:


http://67.87.96.232:2021/gallery2/d/7518-2/IMG_0160.JPG

- no folding/telescoping stock
- no bayo lug
- no grenade launcher
- no flash hider or threaded barrel that could accept a flash hider

Mags can be any size as long as they were manufactured prior to 9/14/94. That means virtually all steel AK-47 mags, all bakelite mags, and all plum AK-74 mags are GTG. Most dealers don't understand the law and refuse to ship legal 10+ pre-ban mags to NY.


What's the make of that '74? Is it an Arsenal or something else?
You said no flash hider or threaded barrel that can accept a flash hider, but I thought you could have a welded on muzzle brake. Is that right?

That's good to hear that plums are good to go for '74s.


It's a Saiga 5.45 that I converted to AK-74 config.

You can't have exposed muzzle threads; if they're covered by a blind pinned/welded/silver-soldered brake, you're good.