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Posted: 4/28/2023 10:40:38 PM EDT
[#1]
In my opinion the bleed off system is not effective, go the other way and see if you can tame the gas by closing off the port.
I sold all my superlatives for rifle speeds and have all my stuff dialed in. Their stuff is pricey but works so damn good, it’s visual and you know exactly what setting you are on for suppresses and unsuppressed |
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Posted: 4/28/2023 11:38:29 PM EDT
[#2]
….. that’s the idea,… you close it off until you can’t get it to lock back on an empty magazine, then open it two clicks.
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Posted: 4/29/2023 12:45:33 AM EDT
[#3]
The restrictive mode is more effective than the bleed-off mode. On my LR308, in restricted mode, I have a 4-5 click range that will reliably operate both suppressed and unsuppressed. In bleed-off mode. I have no overlap.
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Posted: 4/29/2023 1:04:49 AM EDT
[#4]
next time out i’ll try going the other way. the hope was not so much has to the face when i throw my resonator on it, but i’ll take gas over the bolt slamming back like it’s on a mission to come out the back of my buffer.
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Posted: 4/29/2023 8:10:18 AM EDT
[#5]
The screw is captured - it won't back out all the way.
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Posted: 6/1/2023 2:26:22 AM EDT
[#6]
Quote HistoryQuoted: The screw is captured - it won't back out all the way. Wrong! Ask me how I know. |
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Posted: 6/1/2023 6:36:41 AM EDT
[#7]
OP, same thing with my first one on an AR15. Kept going, kept going, never found the right spot for bleed off and still wonder how I kept from shooting the plug down range. Screwed it back in and set it just to restrict gas. On the second one I just set it up for restricting gas from the start.
Figured if I ever order another adjustable block it'll be a different brand. |
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Posted: 6/1/2023 11:17:39 AM EDT
[#8]
The bleed off mode is a gimmick in my opinion on a DI gun.
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Posted: 6/1/2023 11:29:58 AM EDT
[#9]
Quote HistoryQuoted: Wrong! Ask me how I know. Quote HistoryQuoted: Quoted: The screw is captured - it won't back out all the way. Wrong! Ask me how I know. On the 4 that I have the screw is captured by the ball and detent that gives you clicks. One of them is on a large frame AR and backed all the way out. If yours isn’t captured, something is wrong with the block or you intentionally forced the adjustment screw past the last detented spot. |
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Posted: 6/1/2023 12:07:13 PM EDT
[#10]
Quote HistoryQuoted: On the 4 that I have the screw is captured by the ball and detent that gives you clicks. One of them is on a large frame AR and backed all the way out. If yours isn’t captured, something is wrong with the block or you intentionally forced the adjustment screw past the last detented spot. I have two and can also confirm that they are captured. One of mine is also fully backed out. |
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Posted: 6/1/2023 12:08:48 PM EDT
[#11]
Quote HistoryQuoted: ….. that’s the idea,… you close it off until you can’t get it to lock back on an empty magazine, then open it two clicks. OP, I did the same as you with same results. Followed the above advice and it works great, very soft shooting. I like it better than my AR15. I may need to get one for that. |
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Posted: 6/1/2023 12:49:15 PM EDT
[#12]
This was my email to Superlative…. And they fixed me up with a new screw.
I just purchased a Superlative ARMS .750 Adjustable Gas Block, Bleed OFF Solid Stainless Steel from Mounting Solutions Plus. My first trip to the range was today. Here is what happened: I started the day with the GB set at wide open (which is first - Fully Closed Clock Wise, Then 4.5 revolutions CCW.) After 3 shots, I adjusted the GB 3 Full CCW Turns After 3 more shots, I adjusted the GB 7 Full CCW Turns. 2 more uneventful shots, then I had a Failure to Feed. So, thinking it's still over gassed, I adjusted the GB 5 more Full CCW Turns. One round One shot - Bolt did not lock back. Repeat with one round - Bolt did not lock back. So... I was going to adjust CW, but there was no adjustment screw. Gone. I thought it was not possible to unscrew the adj screw out passed the end. I thought these could be turned out like 31 times? And I also thought that I wasn't able to turn the screw out past the end. I thought there was some kind of retainer?  Attached File |
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Posted: 6/1/2023 1:49:51 PM EDT
[#13]
Guess I’m the lone satisfied customer of SA. I used mine on a 6.5 Grendel and got effective function in both bleed off and cutoff positions.
I took both all the way to failure to cycle properly, then opened up 2 clicks and they run fine. As for backing all the way out- mine sticks way the hell out in bleed off mode but I’m unaware if there is a detent to prevent parts falling out. |
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Posted: 6/1/2023 4:59:05 PM EDT
[#14]
Quote HistoryQuoted: This was my email to Superlative…. And they fixed me up with a new screw. I just purchased a Superlative ARMS .750 Adjustable Gas Block, Bleed OFF Solid Stainless Steel from Mounting Solutions Plus. My first trip to the range was today. Here is what happened: I started the day with the GB set at wide open (which is first - Fully Closed Clock Wise, Then 4.5 revolutions CCW.) After 3 shots, I adjusted the GB 3 Full CCW Turns After 3 more shots, I adjusted the GB 7 Full CCW Turns. 2 more uneventful shots, then I had a Failure to Feed. So, thinking it's still over gassed, I adjusted the GB 5 more Full CCW Turns. One round One shot - Bolt did not lock back. Repeat with one round - Bolt did not lock back. So... I was going to adjust CW, but there was no adjustment screw. Gone. I thought it was not possible to unscrew the adj screw out passed the end. I thought these could be turned out like 31 times? And I also thought that I wasn't able to turn the screw out past the end. I thought there was some kind of retainer? https://www.ar15.com/media/mediaFiles/420365/image1_jpeg-2836611.JPG You’re doing it wrong. If you back it all the way open and keep going CCW, you are opening it further than all the way. You want to be CLOSING it from open by turning it CLOCKWISE as if you are facing the FRONT of the gas block. Keep doing that and single loading until you get a failure to lock back the bolt on the empty chamber. The go CLOCKWISE two clicks. Done. You kept backing the screw out until it fell out and then had cycling problems because the screw was missing and the gas was venting to the atmosphere. |
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Posted: 6/1/2023 9:07:53 PM EDT
[#15]
Quote HistoryQuoted: You’re doing it wrong. If you back it all the way open and keep going CCW, you are opening it further than all the way. You want to be CLOSING it from open by turning it CLOCKWISE as if you are facing the FRONT of the gas block. Keep doing that and single loading until you get a failure to lock back the bolt on the empty chamber. The go CLOCKWISE two clicks. Done. You kept backing the screw out until it fell out and then had cycling problems because the screw was missing and the gas was venting to the atmosphere. Quote HistoryQuoted: Quoted: This was my email to Superlative…. And they fixed me up with a new screw. I just purchased a Superlative ARMS .750 Adjustable Gas Block, Bleed OFF Solid Stainless Steel from Mounting Solutions Plus. My first trip to the range was today. Here is what happened: I started the day with the GB set at wide open (which is first - Fully Closed Clock Wise, Then 4.5 revolutions CCW.) After 3 shots, I adjusted the GB 3 Full CCW Turns After 3 more shots, I adjusted the GB 7 Full CCW Turns. 2 more uneventful shots, then I had a Failure to Feed. So, thinking it's still over gassed, I adjusted the GB 5 more Full CCW Turns. One round One shot - Bolt did not lock back. Repeat with one round - Bolt did not lock back. So... I was going to adjust CW, but there was no adjustment screw. Gone. I thought it was not possible to unscrew the adj screw out passed the end. I thought these could be turned out like 31 times? And I also thought that I wasn't able to turn the screw out past the end. I thought there was some kind of retainer? https://www.ar15.com/media/mediaFiles/420365/image1_jpeg-2836611.JPG You’re doing it wrong. If you back it all the way open and keep going CCW, you are opening it further than all the way. You want to be CLOSING it from open by turning it CLOCKWISE as if you are facing the FRONT of the gas block. Keep doing that and single loading until you get a failure to lock back the bolt on the empty chamber. The go CLOCKWISE two clicks. Done. You kept backing the screw out until it fell out and then had cycling problems because the screw was missing and the gas was venting to the atmosphere. It’s the opposite with a Superlative block in B/O mode. Fully open in B/O mode (turned CCW until it stops) is giving you the least amount of gas to the action, fully closed (which is really halfway through the adjustment range since Superlative blocks do both B/O and restrictive) is giving you the most. ETA: You may have been saying the same thing, just somewhat confusingly. Apologies if I’m just agreeing with you. |
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Posted: 6/1/2023 9:48:52 PM EDT
[#16]
Quote HistoryQuoted: It’s the opposite with a Superlative block in B/O mode. Fully open in B/O mode (turned CCW until it stops) is giving you the least amount of gas to the action, fully closed (which is really halfway through the adjustment range since Superlative blocks do both B/O and restrictive) is giving you the most. ETA: You may have been saying the same thing, just somewhat confusingly. Apologies if I’m just agreeing with you. I’m trying to keep a guy who doesn’t understand “righty-tighty, lefty-loosey” from spitting his set screw across the range again. |
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Posted: 6/3/2023 8:25:12 AM EDT
[#17]
Honestly, this thread shows why I prefer the linear type Adj. GB 's ( SLR )
Bleed off is a great idea, but lots of people expect a more linear adjustment. Not a slam on SA Adj. GB's at all... but I sure seem to see threads like this frequently. |
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Posted: 6/7/2023 10:21:37 PM EDT
[#18]
Quote HistoryQuoted: Bleed off is a great idea, but lots of people expect a more linear adjustment. Bleed off is clown shoes. The gun doesn't care about gas that vents to atmosphere. All the gun cares about is having enough gas to work, on the inside, where it is needed. It's marketing hype, that's all. |
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Posted: 6/8/2023 8:25:37 AM EDT
[#19]
Quote HistoryQuoted: Bleed off is clown shoes. The gun doesn't care about gas that vents to atmosphere. All the gun cares about is having enough gas to work, on the inside, where it is needed. It's marketing hype, that's all. This. With a regular AGB, you're opening and closing what is essentially a crude needle valve. Gas that doesn't go down the gas tube stays in the barrel pushing your projectile out same as it would on any other gun. There is zero point in wasting gas out some atmospheric vent - it accomplishes nothing. |
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Posted: 6/8/2023 5:53:48 PM EDT
[#20]
Quote HistoryQuoted: This. With a regular AGB, you're opening and closing what is essentially a crude needle valve. Gas that doesn't go down the gas tube stays in the barrel pushing your projectile out same as it would on any other gun. There is zero point in wasting gas out some atmospheric vent - it accomplishes nothing. I thought the point was it vented gas out the gas block near the front and thus reducing Gas to Face at the rear? |
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Posted: 6/8/2023 5:59:19 PM EDT
[#21]
Quote HistoryQuoted: This. With a regular AGB, you're opening and closing what is essentially a crude needle valve. Gas that doesn't go down the gas tube stays in the barrel pushing your projectile out same as it would on any other gun. There is zero point in wasting gas out some atmospheric vent - it accomplishes nothing. For suppressed rifles... would bleeding off into atmosphere reduce blowback into chamber thus reducing gas to face? |
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Posted: 6/9/2023 10:32:30 AM EDT
[#22]
I don't think so as the point is to reduce the amount of gas going to the bolt, and that is what blows out in your face.
You either choke off the supply of gas or relieve the extra amount, out front. Regardless, enough gas is going to the bolt to cycle the action and its got to be released somewhere and thats in the general area of your face. |
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Posted: 6/9/2023 10:53:07 AM EDT
[#23]
I dunno, I must be the only happy SA gas block customer then.
I also shoot 100% suppressed, and like not choking on gun smoke. 
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Posted: 6/9/2023 2:09:57 PM EDT
[#24]
No, because blowing the gas out the port at the front doesn't reduce the gas used to cycle the carrier which is what ends up in your face.
Not saying that the SA gas block is a bad product or shouldn't work, just that the bleed-off "feature" doesn't make any sense. It would also make the gun louder. |
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Posted: 6/9/2023 8:01:58 PM EDT
[#25]
Quote HistoryQuoted: I dunno, I must be the only happy SA gas block customer then. I also shoot 100% suppressed, and like not choking on gun smoke. Nope, I read directions and understand them…. Mine have been fine. |
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Posted: 6/9/2023 9:42:43 PM EDT
[#26]
I tried one on my 12.5" .350 Legend upper. The bleed off feature didn't seem to do much on that specific upper, so I ended up using it in restrictive mode, where it worked like any other adjustable gas block. Yes, I read the directions. No, I don't know what my gas port size is; whatever Faxon uses on their 12.5" .350 Legend barrels. Standard carbine spring and buffer. It's tuned up fine now, so I'll leave it on the upper, but I'll probably try something else next time since it doesn't seem to have any advantage over other (cheaper) options. I do want to try the Riflespeed system too.
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