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Posted: 4/4/2017 6:41:42 PM EDT
Got my Wolf A1 in today. Looks very well made. Upper had kind of a rough finish, and the dust cover is a pita to close. Pretty simple field stripping, the handguard is very tight and I have to use a punch to remove the pin, which isn't a bad thing. Looking at the barrel and gas block, the gas block must be pressed on, I didn't try to hard to remove it, but the pin is a taper pin and only comes out one way. The gas port in the barrel is drilled like an AK, roughly at a 45* angle and measures .073" (#49 drill bit). I cut the barrel to 11.5" and will have to drill out the gas port to .095+ (guess). I did a function check and it obviously didn't cycle. When it gets back from having the barrel threaded at class 3 machining im goin to open the gas port up and work with buffer/spring weights. Here is a few pics of the progress so far, be next week by the time I get the upper back.
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Posted: 4/4/2017 7:28:26 PM EDT
[#1]
I Like It
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Posted: 4/4/2017 7:55:40 PM EDT
[#2]
Nice.
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Posted: 4/4/2017 9:04:50 PM EDT
[#3]
16 inch meh
11.5 
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Posted: 4/4/2017 10:09:21 PM EDT
[#4]
This project is cool.
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Posted: 4/5/2017 9:13:15 AM EDT
[#5]
Sexy
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Posted: 4/6/2017 2:38:08 AM EDT
[#6]
You need this (80%) lower to round it out
I'll most likely cut mine to ~14.5. |
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Posted: 4/6/2017 3:34:16 AM EDT
[#7]
I would go that route of they had the T91 gas block and rear sight. But I think it looks good on my SBR lower.
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Posted: 4/6/2017 9:13:37 PM EDT
[#8]
Looks like there is a groove on the bolt where the gas rings would be. Maybe to allow airflow? anyone elses have this?
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Posted: 4/6/2017 9:16:16 PM EDT
[#9]
Quote HistoryQuoted:
Looks like there is a groove on the bolt where the gas rings would be. Maybe to allow airflow? anyone elses have this? http://i.imgur.com/llEtYh1.jpg 
Keep us informed on how it runs after opening gas port when it returns. Are you going to try and run it suppressed as well? |
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Posted: 4/6/2017 9:23:43 PM EDT
[#10]
ya, goin to use my SDN-6 on it with a AAC brakeout 51t. will have to grind/file a portion of the ratchet teeth so I can remove the piston.
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Posted: 4/8/2017 12:51:11 AM EDT
[#11]
Quote HistoryQuoted:
You need this (80%) lower to round it out http://i.imgur.com/MOQT9Fl.jpg I'll most likely cut mine to ~14.5. |
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Posted: 4/8/2017 6:44:33 PM EDT
[#12]
Quote HistoryQuoted:
Where did you get that lower? How much does it cost to get one made? Quote HistoryQuoted:
Quoted:
You need this (80%) lower to round it out
I'll most likely cut mine to ~14.5. You can ask him for one. He has the template I made. You'll just need him to design out a new serial number. There's no font for the text/numbers, it was all hand traced based on real photos of military T91s to match accurately. |
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Posted: 4/10/2017 9:08:59 PM EDT
[#13]
All set for when I get the upper back. Got drill bits from #34 (.111) to #44 (.086) and a reduced power buffer spring from wolff. Morgan sent me a pic of the barrel threaded. Looks perfect.
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Posted: 4/11/2017 1:02:45 AM EDT
[#14]
Quote HistoryQuoted:
All set for when I get the upper back. Got drill bits from #34 (.111) to #44 (.086) and a reduced power buffer spring from wolff. Morgan sent me of the pic barrel threaded. Looks perfect. http://i.imgur.com/QWHjpKc.jpg |
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Posted: 4/11/2017 1:36:48 AM EDT
[#15]
Quote HistoryQuoted:
So your machinist was able to turn own the barrel without removing the gas block? |
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Posted: 4/11/2017 2:17:01 AM EDT
[#16]
Correct. It was the barrel still attached to the upper, because I didn't have the right wrench to remove the barrel. Morgan Richey, owner of class 3 machining did it. He can thread anything. Does alot if AKs and ARs. Probably the best in the business and no worry about it being non-concentric. I highly recommend him.
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Posted: 4/11/2017 2:25:10 AM EDT
[#17]
That looks sweet. I think my M-16 needs one of those uppers.
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Posted: 4/13/2017 12:09:23 AM EDT
[#18]
Got the upper in the mail today, thread job is perfect. I attached my AAC brakeout 51t so I can use my SDN-6. One thing to note if you chop the barrel that short is to see if the pistol will clear the mount, mine just barely rubs it. I was worried I would have to file it down some like I had to one my 805 Bren. I ordered a wolff reduced power buffer spring and installed it. Worked my way up to a #34 (.093) drill bit till it locked back on an empty mag. I meant to take a standard recoil spring but forgot. put maybe 100rds down range and pissed off some of the other people shooting because of the concussion lol. installed the taller sight and worked great at 25yds. One thing that im concerned about is the rear sight is completely to the left, don't know if its the upper, barrel, or the cheap UTG rear sight. Hoping its the sight.
Here is pics of the different size sights, front sight, the sight to the left, complete SBR with and w/o SDN-6, clearance of the gas piston Wolf A1 SBR 
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Posted: 4/13/2017 2:02:25 AM EDT
[#19]
That is pretty awesome, can't wait to hear how it runs (with standard spring)!
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Posted: 4/13/2017 2:33:47 AM EDT
[#20]
How much did class 3 machining charge for that thread job?
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Posted: 4/13/2017 5:05:19 AM EDT
[#21]
Quote HistoryQuoted:
How much did class 3 machining charge for that thread job? |
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Posted: 4/13/2017 7:05:24 AM EDT
[#22]
It looks fantastic!
How does it shoot suppressed? How does it feel/balance cut short? Did you weigh it before & after? |
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Posted: 4/13/2017 7:13:53 AM EDT
[#23]
Quote HistoryQuoted:
So your machinist was able to turn own the barrel without removing the gas block? |
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Posted: 4/13/2017 7:37:07 AM EDT
[#24]
Quote HistoryQuoted:
It looks fantastic! How does it shoot suppressed? How does it feel/balance cut short? Did you weigh it before & after? I didnt weigh it, but it's pretty lite and handy. It's front heavy with the heavy ass SDN-6. They are bricks lol |
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Posted: 4/13/2017 8:34:13 AM EDT
[#25]
Quote HistoryQuoted:
Shot great suppressed except there's lots of blowback. Honestly was unpleasant to shoot suppressed. Even with eyepro. I didnt weigh it, but it's pretty lite and handy. It's front heavy with the heavy ass SDN-6. They are bricks lol Quote HistoryQuoted:
Quoted:
It looks fantastic! How does it shoot suppressed? How does it feel/balance cut short? Did you weigh it before & after? I didnt weigh it, but it's pretty lite and handy. It's front heavy with the heavy ass SDN-6. They are bricks lol Still, it looks like a very cool SBR. Thanks for keeping us updated. |
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Posted: 4/13/2017 3:12:10 PM EDT
[#26]
Quote HistoryQuoted:
Shot great suppressed except there's lots of blowback. Honestly was unpleasant to shoot suppressed. Even with eyepro. The rifle is already waayyyyy overgassed as can be seen from the ejection pattern. They did this so it will still run with their junk-grade ammo from Russia. The issue you were having with operation is because you cut too close to the port. Larger volume of gas + reduced power spring is not a good way to resolve that. I would have moved the port back and experimented with shortening the gas system to an appropriate length for that barrel length. I've not personally reduced length yet (and I'm really hoping the next iteration of these uppers will be correctly made), but just running the stock upper I'm looking for super heavy standard length buffers to tame this beast. |
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Posted: 4/13/2017 5:22:03 PM EDT
[#27]
Quote HistoryQuoted:
Did you test fire again before drilling on the thing? The rifle is already waayyyyy overgassed as can be seen from the ejection pattern. They did this so it will still run with their junk-grade ammo from Russia. The issue you were having with operation is because you cut too close to the port. Larger volume of gas + reduced power spring is not a good way to resolve that. I would have moved the port back and experimented with shortening the gas system to an appropriate length for that barrel length. I've not personally reduced length yet (and I'm really hoping the next iteration of these uppers will be correctly made), but just running the stock upper I'm looking for super heavy standard length buffers to tame this beast. |
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Posted: 4/13/2017 6:47:48 PM EDT
[#28]
Quote HistoryQuoted:
Did you test fire again before drilling on the thing? The rifle is already waayyyyy overgassed as can be seen from the ejection pattern. They did this so it will still run with their junk-grade ammo from Russia. The issue you were having with operation is because you cut too close to the port. Larger volume of gas + reduced power spring is not a good way to resolve that. I would have moved the port back and experimented with shortening the gas system to an appropriate length for that barrel length. I've not personally reduced length yet (and I'm really hoping the next iteration of these uppers will be correctly made), but just running the stock upper I'm looking for super heavy standard length buffers to tame this beast. 
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Posted: 4/13/2017 6:53:03 PM EDT
[#29]
Quote HistoryQuoted:Please do some learning before you look like a fool again. Your rifle is rekt- you may have been able to restore function with gaping ports and weak, non-standard springs, but in reality, that weapon is ready for that tall-kitchen-trash-can. The port is too large on these rifles as they come. Wolf did it on purpose to force compatibility with their low pressure dumpster-grade ammo from Russia. A5 H4's are probably a good fix out of the box... your rifle is likely beyond saving unless you move the gas system back (Yes- go shorter than the existing port, press a collar on the barrel, relocate the block, redrill, shorten the piston, find the right number of coils to cut off the primary recoil spring, and hope you don't have to touch the secondary.) Then good luck modding handguards... |
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Posted: 4/13/2017 7:04:19 PM EDT
[#30]
Quote HistoryQuoted:
That's actually pretty funny coming from a dude who hack-sawed his barrel in front of the port and junked his gun... while documenting the whole fiasco to share on the internet. Your rifle is rekt- you may have been able to restore function with gaping ports and weak, non-standard springs, but in reality, that weapon is ready for that tall-kitchen-trash-can. The port is too large on these rifles as they come. Wolf did it on purpose to force compatibility with their low pressure dumpster-grade ammo from Russia. A5 H4's are probably a good fix out of the box... your rifle is likely beyond saving unless you move the gas system back (Yes- go shorter than the existing port, press a collar on the barrel, relocate the block, redrill, shorten the piston, find the right number of coils to cut off the primary recoil spring, and hope you don't have to touch the secondary.) Then good luck modding handguards... Wolf already stated that the gas port specs were given to them by the Taiwanese armory as to the most reliable size for all barrel lengths, I think it was 14.5, 16 and 20. |
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Posted: 4/13/2017 7:06:11 PM EDT
[#31]
Quote HistoryQuoted:
Heh, yeah maybe the next time around they will listen to that one guy on the internet who said they did it wrong instead of the worldwide market of nations who have used the rifles as designed for 40+ years. And I'd really like to hear more about your inside information from the 205th Armory about why they tuned it to run with "junk-grade ammo from Russia". 205th is providing blanks to Wolf- that's where the CHF, 1/7 twist, 5.56 chamber comes from. Wolf "finishes" them in Tennessee- that's where the bullshit nitride coating, overgassed port, and minimal, if any re-profiling takes place. Now... who wants to make a bet that those blanks come in at 16.5" and as heavy in front of the gas block as you see them on the finished product? Wolf screwed themselves by throwing around the $600 price point in their press and promising a chrome lined, serious barrel and a backup sight. Now the sight has disappeared, the chrome is replaced with nitride, and the "finishing" operations are bare-minimum. I like the method of operation, and would be willing to pay a normal price on a legit T91 upper- this aint it, and this cost cutting BS is not helping them shake their reputation in the industry. |
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Posted: 4/13/2017 7:30:50 PM EDT
[#32]
Lol how's it not functioning? Seems to shoot perfect to me. Ya. The barrel was hacked sawed off. Then threaded and crowned. But I get it. Ur upset because you really don't know what your talking about.
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Posted: 4/13/2017 7:57:19 PM EDT
[#33]
CHF chrome lined vs. nitrided, I understand it was "promised" as chrome lined but now that it isn't, should it matter? I get it, it' snot military spec, but it's still a good treatment if done correctly and is the fact its cheaper makes it a better choice.
As far as I know, only Criterion is the only barrel maker that has, in their own words, developed a chrome lining process that shouldn't impact accuracy but nitrided barrels won't suffer from that and I think, because the barrel is CHF this might be the better finish (and the bonus is that it also protects the outside as well). People bash nitride, but it's looking to be better than chrome lining (except for high rate of fire machine guns, I suppose...watch the Faxon Q&A on InRange on YouTube, they cover a lot on this topic). As far as the profile goes, AIM is going to ask for a pencil profile, but i like my barrels to be a little heavier anyways. Regarding the gas ports, his videos showing 3:00 ejection without a brass deflector, that's not overgassed. Personally, I'm loving what I'm seeing with this upper and will buy one when they come back into stock. I've read your same comments elsewhere and I understand your points, but the rifle seems to function well and not "overgassed" based on ejection patterns in videos i've seen. I've only seen flawless function after initial break in. For $600, that's good enough for me. |
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Posted: 4/13/2017 10:29:31 PM EDT
[#34]
Quote HistoryQuoted:
Lol how's it not functioning? Seems to shoot perfect to me. Not a damn thing. |
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Posted: 4/13/2017 10:55:27 PM EDT
[#35]
Please explain how it's "hogged" out? Have you ever done any work on an AR? Do you own a Wolf A1? Tell me how opening the gas port on a short barrel is ruining it? Its just like an adjustable gas block, start with it closed and open it until it the bolt locks on an empty mag. It will need more gas because of the shorter dwell time. Are ARs only good of they are so over gassed that they need heavy buffers and springs? It's perfect because it doesn't need those extra heavy parts. Please read up on their operating system. You sound like a dumbass. And I'll check in to Taiwan using "crap Russian ammo"
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Posted: 4/13/2017 11:00:17 PM EDT
[#36]
Quote HistoryQuoted:
Please explain how it's "hogged" out? Have you ever done any work on an AR? Do you own a Wolf A1? Tell me how opening the gas port on a short barrel is ruining it? Its just like an adjustable gas block, start with it closed and open it until it the bolt locks on an empty mag. It will need more gas because of the shorter dwell time. Are ARs only good of they are so over gassed that they need heavy buffers and springs? It's perfect because it doesn't need those extra heavy parts. Please read up on their operating system. You sound like a dumbass. And I'll check in to Taiwan using "crap Russian ammo" |
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Posted: 4/13/2017 11:33:20 PM EDT
[#37]
Quote HistoryQuoted:
Let it go man, he's just an angsty keyboard commando who needs attention. You're getting trolled by a child. |
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Posted: 4/13/2017 11:47:33 PM EDT
[#38]
Did someone say they had their hog out?
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Posted: 4/14/2017 2:23:32 AM EDT
[#39]
Quote HistoryQuoted:
Yeah... on the Youtube... but what's a rifle like that good for- with a hogged out port, operating on the very margin of functionality, and only then with a special light spring? Not a damn thing. |
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Posted: 4/14/2017 8:42:37 AM EDT
[#40]
Quote HistoryQuoted:Please explain how it's "hogged" out? Have you ever done any work on an AR? Do you own a Wolf A1? Quote HistoryQuoted:Please explain how it's "hogged" out? Have you ever done any work on an AR? Do you own a Wolf A1? Never done a hack-saw and vice job though, LOL. I'm just trying to give you ideas on how to save the gun, don't be hostile. Here are a few more clues (the peanut gallery should ponder these as well). What did DSA do with a similar gas system when they wanted to so stupid short on the barrel? Is a standard gas system viable at all barrel lengths longer than the piston? How did BCM solve the same issue you're having, of hacking-off in front of the port? (Hint #2- look under the handguards on this particular one- they didn't simply hogg out) Think on those and you will lead yourself to the solution... Quoted:You sound like a dumbass. And I'll check in to Taiwan using "crap Russian ammo" Also, IF you can make the phone ring over at 205th, homey... PLEASE be sure to ask them what they think about Wolf's "finishing" procedures and what they've done with the specs they were delivered. Ask them about the branding and marketing too... ;) |
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Posted: 4/14/2017 10:27:30 AM EDT
[#41]
Quote HistoryQuoted:
Got the upper in the mail today, thread job is perfect. I attached my AAC brakeout 51t so I can use my SDN-6. One thing to note if you chop the barrel that short is to see if the pistol will clear the mount, mine just barely rubs it. I was worried I would have to file it down some like I had to one my 805 Bren. I ordered a wolff reduced power buffer spring and installed it. Worked my way up to a #34 (.093) drill bit till it locked back on an empty mag. I meant to take a standard recoil spring but forgot. put maybe 100rds down range and pissed off some of the other people shooting because of the concussion lol. installed the taller sight and worked great at 25yds. One thing that im concerned about is the rear sight is completely to the left, don't know if its the upper, barrel, or the cheap UTG rear sight. Hoping its the sight. Here is pics of the different size sights, front sight, the sight to the left, complete SBR with and w/o SDN-6, clearance of the gas piston Wolf A1 SBR http://i.imgur.com/BMkcjFC.jpg http://i.imgur.com/YnEx29L.jpg http://i.imgur.com/5FJN652.jpg http://i.imgur.com/pXtYHPz.jpg http://i.imgur.com/XOLz9bo.jpg http://i.imgur.com/2SDnuRw.jpg |
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Posted: 4/14/2017 12:44:43 PM EDT
[#42]
Quote HistoryQuoted:
Oh, I've worked on ARs plenty. All type of rifles, in fact. Never done a hack-saw and vice job though, LOL. I'm just trying to give you ideas on how to save the gun, don't be hostile. Here are a few more clues (the peanut gallery should ponder these as well). What did DSA do with a similar gas system when they wanted to so stupid short on the barrel? Is a standard gas system viable at all barrel lengths longer than the piston? How did BCM solve the same issue you're having, of hacking-off in front of the port? (Hint #2- look under the handguards on this particular one- they didn't simply hogg out) Think on those and you will lead yourself to the solution... Oh, I think it's clear who's participating in dumbassery here (sorry, Hacksaw Jim Duggan). Also, IF you can make the phone ring over at 205th, homey... PLEASE be sure to ask them what they think about Wolf's "finishing" procedures and what they've done with the specs they were delivered. Ask them about the branding and marketing too... ;) And that hack saw is hurting ur feelings LMAO. Please tell me your issue with cutting off the excess barrel so my machinist doesn't have to. Easier for him to just crown and thread it. Still waiting on what issues YOU think I'm having. |
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Posted: 4/14/2017 3:08:29 PM EDT
[#43]
Just a reminder, gentlemen, this is a Technical Forum. Either add to the thread without insults, or get banned from the forum. Thanks. - Old_Painless
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Posted: 4/14/2017 4:33:32 PM EDT
[#44]
regarding the extreme rear sight alignment, perhaps you need to disassemble the barrel from the upper receiver, and lap the upper receiver front face, maybe it's not square to the receiver bore?
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Posted: 4/14/2017 5:34:09 PM EDT
[#45]
Quote HistoryQuoted:
regarding the extreme rear sight alignment, perhaps you need to disassemble the barrel from the upper receiver, and lap the upper receiver front face, maybe it's not square to the receiver bore? I would have removed the barrel when I had it threaded but I don't have the correct wrench for the barrel nut. Which shouldn't be to hard to make. It I might just put an Aimpoint or my spare ACOG on it. |
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Posted: 4/14/2017 10:57:16 PM EDT
[#46]
Did you not read my comment above? - Old_Painless
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Posted: 4/15/2017 3:06:47 PM EDT
[#47]
Op, nice job!
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Posted: 4/15/2017 3:25:38 PM EDT
[#48]
Quote HistoryQuoted:
And that hack saw is hurting ur feelings LMAO. Please tell me your issue with cutting off the excess barrel so my machinist doesn't have to. |
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Posted: 4/15/2017 7:27:18 PM EDT
[#49]
Quote HistoryQuoted:
I don't understand his complaint on this either. It is the least harmful method of cutting a barrel.... |
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Posted: 4/16/2017 12:18:33 AM EDT
[#50]
Very nice OP!
In before Combat Jack tells us pistons suck!!..... 
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