This is my first time researching this. I came across some called bleed off adj. gas blocks. I was not familiar with these. I don't know how long they have been around. It could be a long time but I just never noticed them. Anyway, they sound like a good idea, but wanted to hear if anyone here have used these and that's the way I should go or stay with the conventional adj. ones.
OK Ballistics - Thats D.O.P.E. - Oklahoma Gun Forum
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Looking for an adjustable gas block for my AR10
- Thread starter Kingfish
- Start date
I've never used one but it sounds pretty cool and makes sense. It doesn't seem as gimmicky as most of the AR additives on the market like Wonder Brakes and stuff. There might be issues if/when the bleed off port starts clogging, but probably not. I might get one just to see but unless you're shooting a lot, you might not ever see any issues with it. I don't see why there wouldn't be a reason not to use one.
My only caveat is one I always use, which is an adjustable gas port is useless if the barrel gas port never changes. You will always be limited to the port size on your barrel. This only matters if you need to open up your gas for whatever reason. If you're only reducing the port size for a suppressor, then you should be fine.
My only caveat is one I always use, which is an adjustable gas port is useless if the barrel gas port never changes. You will always be limited to the port size on your barrel. This only matters if you need to open up your gas for whatever reason. If you're only reducing the port size for a suppressor, then you should be fine.
I have an adjustable gas block on my 6.5cm ar10. Hell on every AR platform I own. I’m using them to help with reload. The down side is, buy different kinds of ammo for it. It will cause a short cycle or slam the bolt back in the tube. If your reloading they work best or keep the ammo the same. My rifle are not suppressed. If I was to build another AR rifle I would try the bleed off adjustable gas block. All of my rifles are target rifles / hunting.
I am getting double feeds which some on youtube say indicates too fast of bolt speed. When I single feed it, I get erratic ejections from 180s still in the receiver, stovepipes, and brass falling just a few inches away on the bench. I also saw where that was also an indication of overgassing. It shoots fine unsuppressed.
Ok, that what I was hoping...a lot of people get them so they have them.
I don't think it matters what kind but Superlative has a good rep, and they claim to be the inventor of the bleed off. Anyway, whatever one you get, you can follow this recommendation for adjusting it assuming it's on correctly:
You're not worried about accuracy right now just functioning. Make sure your gun is oiled and don't be chincy with it.
1. Turn the adjuster all the way closed
2. Load one full magazine
3. Fire one round – it’s not gonna do anything other than go out the barrel…the BCG shouldn’t cycle
4. Turn one click open
5. Fire a shot
6. Continue this until the bolt cycles and ejects a casing and feeds a cartridge
7. AT THIS TIME, put two cartridges in an empty magazine - you can put three or four but minimum two
8. Fire both cartridges and see if the BCG locks to the rear on the bolt face (not the carrier)
a. If it does, open up one more click and leave it
b. If it doesn’t, open one click and repeat step 7 & 8 until it does and Step 8a
I always start with the adjuster closed and work up. If it's done right, most of the brass will be 2-4 o'clock. Some people weird out about anything 2-3 but it doesn't really matter as long as it's functioning and there are no malfunctions. I've watched people chase their tails over it.
I don't think it matters what kind but Superlative has a good rep, and they claim to be the inventor of the bleed off. Anyway, whatever one you get, you can follow this recommendation for adjusting it assuming it's on correctly:
You're not worried about accuracy right now just functioning. Make sure your gun is oiled and don't be chincy with it.
1. Turn the adjuster all the way closed
2. Load one full magazine
3. Fire one round – it’s not gonna do anything other than go out the barrel…the BCG shouldn’t cycle
4. Turn one click open
5. Fire a shot
6. Continue this until the bolt cycles and ejects a casing and feeds a cartridge
7. AT THIS TIME, put two cartridges in an empty magazine - you can put three or four but minimum two
8. Fire both cartridges and see if the BCG locks to the rear on the bolt face (not the carrier)
a. If it does, open up one more click and leave it
b. If it doesn’t, open one click and repeat step 7 & 8 until it does and Step 8a
I always start with the adjuster closed and work up. If it's done right, most of the brass will be 2-4 o'clock. Some people weird out about anything 2-3 but it doesn't really matter as long as it's functioning and there are no malfunctions. I've watched people chase their tails over it.
