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Posted: 10/15/2018 12:47:52 AM EDT
[#1]
Quote HistoryQuoted:
Are there any advantages to the standard 9 mm bolt over the CMMG RDB bolt system? CMMG has a winner on their hands it seems. I’m not sure they will take advantage of the opportunity. They would be wise to license the design/patent to larger players. |
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Posted: 10/15/2018 7:32:00 AM EDT
[#2]
As mentioned, MEAN sent me more Endomags for the blowback than for the Guard and so I cut the ejector off 5 of them and sanded down the front to be like the 3 Guard versions they sent me.
I did have to trim the BHO on all my Gen2 pmags as I was getting the BHO engaged with 1 round left in the mag. I didn't think I needed to do it with the Gen3's as it didn't have the issue when I dry cycled them at home. I did some live fire testing with them on Saturday. Two of the 5 Endomags in the Gen3's were locking the bolt back w/ 1 round still in mag. I just did the same thing and trimmed the BHO with my pocket knife and it was good. I did have 2 or 3 of them fail to feed a couple times....I mean no jam, but spent round would eject and I had an empty chamber and had to rack the BCG to feed another round...almost like it wasn't fast enough to keep up. I'm going to have to pay more attention to that and see if it is specific ones doing that. I know it was 2 or 3 out of the 5 I just modified. Anyone else have that issue? |
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Posted: 10/15/2018 8:15:22 AM EDT
[#3]
Quote HistoryQuoted:. If everything is apples to apples for reliability - no. Blowback has no serious advantage over delayed again so long as both are reliably working. Some people argue that blowback guns have less parts and are naturally more reliable, but these people are either ignorant of or new to blowback 9mm ARs and the myriad of part combos you must try.
CMMG has a winner on their hands it seems. I’m not sure they will take advantage of the opportunity. They would be wise to license the design/patent to larger players. Shoehorned into the AR, with weight limited in a 1” tube, it can be reliable, depending on what parts you throw at it. |
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Posted: 10/15/2018 1:22:11 PM EDT
[#4]
My first attempt with the endomag lasted 7 rounds. I emailed MEAN and will send it to them. The ejector tab part is FUBAR
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Posted: 10/15/2018 1:42:49 PM EDT
[#5]
Quote HistoryQuoted:
My first attempt with the endomag lasted 7 rounds. I emailed MEAN and will send it to them. The ejector tab part is FUBAR |
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Posted: 10/15/2018 2:56:52 PM EDT
[#6]
CMMG Mk9 not the Guard
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Posted: 10/15/2018 3:00:51 PM EDT
[#7]
Quote HistoryQuoted:
CMMG Mk9 not the Guard |
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Posted: 10/15/2018 3:38:00 PM EDT
[#8]
Quote HistoryQuoted:
Forgive my ignorance of the subject since I am still learning, but I believe the MK9 has its own ejector on their lower. Could there be a conflict with the Endomag ejector tab and the MK9 upper configuration rather than a problem with the Endomag? |
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Posted: 10/15/2018 3:49:12 PM EDT
[#9]
Quote HistoryQuoted: I use the spacers at the opposite end with a Colt buffer (5.5oz) for the blowback, but the advantage with the Guard might be that you could use the same buffer with 223 or 9mm. But, I don't know! I'm also not sure if the Guard works with any hammer or what. |
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Posted: 10/15/2018 3:58:41 PM EDT
[#10]
Quote HistoryQuoted:
As mentioned, MEAN sent me more Endomags for the blowback than for the Guard and so I cut the ejector off 5 of them and sanded down the front to be like the 3 Guard versions they sent me. I did have to trim the BHO on all my Gen2 pmags as I was getting the BHO engaged with 1 round left in the mag. I didn't think I needed to do it with the Gen3's as it didn't have the issue when I dry cycled them at home. I did some live fire testing with them on Saturday. Two of the 5 Endomags in the Gen3's were locking the bolt back w/ 1 round still in mag. I just did the same thing and trimmed the BHO with my pocket knife and it was good. I did have 2 or 3 of them fail to feed a couple times....I mean no jam, but spent round would eject and I had an empty chamber and had to rack the BCG to feed another round...almost like it wasn't fast enough to keep up. I'm going to have to pay more attention to that and see if it is specific ones doing that. I know it was 2 or 3 out of the 5 I just modified. Anyone else have that issue? |
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Posted: 10/15/2018 5:17:48 PM EDT
[#11]
Quote HistoryQuoted: 5.56 Lower... |
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Posted: 10/15/2018 5:28:21 PM EDT
[#12]
Just a heads up for those who, like me, are still waiting for their EndoMags to ship, Tommy at MEAN ARMS said they are planning to ship the rest of the outstanding preorders in the next 72 hours. Woohoo!
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Posted: 10/15/2018 6:31:28 PM EDT
[#13]
Quote HistoryQuoted:
Just a heads up for those who, like me, are still waiting for their EndoMags to ship, Tommy at MEAN ARMS said they are planning to ship the rest of the outstanding preorders in the next 72 hours. Woohoo!  Attached File |
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Posted: 10/15/2018 6:38:01 PM EDT
[#14]
Ordered 8/7, tracking notice today.
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Posted: 10/15/2018 7:01:40 PM EDT
[#15]
Quote HistoryQuoted:
Just a heads up for those who, like me, are still waiting for their EndoMags to ship, Tommy at MEAN ARMS said they are planning to ship the rest of the outstanding preorders in the next 72 hours. Woohoo! |
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Posted: 10/15/2018 7:15:40 PM EDT
[#16]
Quote HistoryQuoted:
Understood that you have a 5.56 lower but my question is if there is anything specific to the MK9 upper that would cause the problem other than the Endomag itself. I haven't read of any problems so far except for your application with the MK9 upper. |
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Posted: 10/15/2018 7:53:33 PM EDT
[#17]
Quote HistoryQuoted:
I ordered on 9/29, so I wonder when mine will ship. What was the cutoff date for preorders? Did Tommy happen to mention what the timeline is for regular orders? |
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Posted: 10/15/2018 7:55:57 PM EDT
[#18]
Got to the range and went through 4 mags fine on my new build, a PSA pistol with G-9 Hybrid 9mm BCG. Cannot seat mag if loaded w/ 30 round on closed bolt. No malfunctions other than bolt locking back with 1 round left in each mag(I plan on shortening BHO tab). No bent or deformed ejector nub like what is posted above.
I don't have a mag block so these mag conversion kits work good for me. |
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Posted: 10/15/2018 9:12:03 PM EDT
[#19]
Not such a favorable video.
 MEANArms Endomag - Range Review |
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Posted: 10/15/2018 9:19:35 PM EDT
[#20]
Quote HistoryI watched about 3min of that and its all I could stand of that guy. Lol
Mine works fine. It’s a toy tho. |
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Posted: 10/15/2018 9:29:17 PM EDT
[#21]
Quote HistoryQuoted: No, I didn't ask. However, he said "all outstanding orders" and not just preorders, so you may be included. |
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Posted: 10/15/2018 10:12:06 PM EDT
[#22]
Just got tracking
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Posted: 10/15/2018 10:13:16 PM EDT
[#23]
Another short video of me using the mags.
They seem to work fine. I don’t care much about the ejector being fixed to the mag. Takes a while to get used too. The mag loads easy. I’m using a PSA hybrid bolt and a cheap heavy buffer from OpticsPlanet. Not sure which brand. I do not have my gun sighted in yet. This sight was on my M11. Running a tros 3 lug barrel, GA Optimus with 3 lug and aero quantum rail. SBR lower.  Failed To Load Title |
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Posted: 10/15/2018 10:14:33 PM EDT
[#24]
Quote HistoryQuoted: I watched about 3min of that and its all I could stand of that guy. Lol Mine works fine. It’s a toy tho. |
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Posted: 10/15/2018 10:25:18 PM EDT
[#25]
I need to start breaking my ARs down with a knife
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Posted: 10/15/2018 10:29:01 PM EDT
[#26]
I am a complete newb when it comes to 9mm in the AR platform. Will these work with the PSA 9mm uppers?
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Posted: 10/15/2018 10:29:57 PM EDT
[#27]
Quote HistoryQuoted:
I am a complete newb when it comes to 9mm in the AR platform. Will these work with the PSA 9mm uppers? |
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Posted: 10/15/2018 10:30:47 PM EDT
[#28]
Quote HistoryQuoted:
I need to start breaking my ARs down with a knife 
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Posted: 10/15/2018 10:35:14 PM EDT
[#29]
Quote HistoryQuoted:
I think your tier 1 spec ops enough to use a sword. Quote HistoryQuoted:
Quoted:
I need to start breaking my ARs down with a knife I still use my fingers...I need to get way cooler..haha. |
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Posted: 10/15/2018 11:46:18 PM EDT
[#30]
Quote HistoryQuoted:
A couple minutes in, it seems he is able to "reliably" induce failure by putting a little pressure on the mag (using it as a monopod), and with his finger. |
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Posted: 10/16/2018 12:14:31 AM EDT
[#31]
Has anyone actually got their hands on these yet??
I have to say I am intrigued by the thought of this perhaps with a guard upper |
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Posted: 10/16/2018 1:31:45 AM EDT
[#32]
Quote HistoryQuoted:
Has anyone actually got their hands on these yet?? I have to say I am intrigued by the thought of this perhaps with a guard upper |
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Posted: 10/16/2018 6:03:10 AM EDT
[#33]
Quote HistoryQuoted:
Has anyone actually got their hands on these yet?? I have to say I am intrigued by the thought of this perhaps with a guard upper |
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Posted: 10/16/2018 6:10:44 AM EDT
[#34]
Quote HistoryQuote HistoryQuoted:
Has anyone actually got their hands on these yet?? I have to say I am intrigued by the thought of this perhaps with a guard upper |
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Posted: 10/16/2018 6:33:21 AM EDT
[#35]
Quote HistoryQuoted:
Has anyone actually got their hands on these yet?? I have to say I am intrigued by the thought of this perhaps with a guard upper  Attached File |
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Posted: 10/16/2018 8:31:21 AM EDT
[#36]
Quote History |
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Posted: 10/16/2018 9:06:25 AM EDT
[#37]
Quote HistoryQuoted:
I wonder if those were Pmag M3's or 2's? 3's have the over insertion stop and they might not have the problem he is demonstrating. Test anyone? Edit: Woohoo, got my shipping notice! |
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Posted: 10/17/2018 12:01:21 AM EDT
[#38]
Quote HistoryAnother reason to go with a Guard setup for these mag conversions. Eliminates the plastic ejector problem.
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Posted: 10/17/2018 12:20:49 AM EDT
[#39]
Just got two from RIP-Yitaski. The one he modified for Hex Mags still fits perfectly in a Gen 2 Magpul. Next week we'll see if we can't Dremel it enough to fit into a GI mag. The curvature looks very close to a Gen2 Magpul, so it's a question of fitting the stuff btwn the ribs, I think.
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Posted: 10/17/2018 12:26:25 PM EDT
[#40]
Current lead times.....
I ordered 10-14 and received a shipping notice today. 10-17. I would say they are caught up! Editted to add....plain version. |
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Posted: 10/17/2018 12:36:46 PM EDT
[#41]
I ordered 08-01-2018
No shipping notice yet. I ordered 12 of them in the Guard configuration. |
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Posted: 10/17/2018 1:24:12 PM EDT
[#42]
Order date 08/19, shipped, scheduled to arrive 10/18
edit to add,, not guard mod'd |
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Posted: 10/17/2018 1:50:52 PM EDT
[#43]
I ordered a 3 pack on Aug 7. On Aug 18, I asked for order to be changed to Guard version.
No word yet. |
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Posted: 10/17/2018 3:03:31 PM EDT
[#44]
Quote HistoryQuoted:
Current lead times..... I ordered 10-14 and received a shipping notice today. 10-17. I would say they are caught up! Editted to add....plain version. |
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Posted: 10/17/2018 3:05:16 PM EDT
[#45]
I ordered August 9th. I haven't received any notification yet.
EDIT: I just checked the site (meanarms.com) and the parts will arrive here tomorrow. I either didn't see the shipping confirmation email, or they didn't send one. |
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Posted: 10/17/2018 6:37:50 PM EDT
[#46]
I ordered 9/6 and 9/26 and received shipping notice on both yesterday. Separate tracking numbers.
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Posted: 10/17/2018 7:38:41 PM EDT
[#47]
Quote HistoryQuoted:
I wonder if those were Pmag M3's or 2's? 3's have the over insertion stop and they might not have the problem he is demonstrating. Test anyone? Quote HistoryQuoted:
Quoted:
A couple minutes in, it seems he is able to "reliably" induce failure by putting a little pressure on the mag (using it as a monopod), and with his finger. First, I tested it and was able to induce that failure in a Gen3 (with over-insertion stop) by resting the rifle on my bench and applying some pressure. It took more than the Gen2, but I could do it. The Gen2 did it just resting on the bench. Second, and while I have yet to actually do live fire, I think I solved the problem with an exacto knife. Just looked at where the bolt was hitting and ramped it back further. Don't see how this could negatively affect function. Can't make it jam anymore. 
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Posted: 10/17/2018 11:44:52 PM EDT
[#48]
Quote HistoryQuoted: Just got mine today and I wanted to know this also. First, I tested it and was able to induce that failure in a Gen3 (with over-insertion stop) by resting the rifle on my bench and applying some pressure. It took more than the Gen2, but I could do it. The Gen2 did it just resting on the bench. Second, and while I have yet to actually do live fire, I think I solved the problem with an exacto knife. Just looked at where the bolt was hitting and ramped it back further. Don't see how this could negatively affect function. Can't make it jam anymore. https://i.imgur.com/aW9WaHO.jpg?1 In any case that is an easy fix and if it works at the range for extended fire that will be good news to others who will probably encounter this issue. |
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Posted: 10/18/2018 12:05:17 PM EDT
[#49]
Quote HistoryQuoted:
Current lead times..... I ordered 10-14 and received a shipping notice today. 10-17. I would say they are caught up! Editted to add....plain version. I have no idea what "a few more days" means, other than an additional unspecified delay. |
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Posted: 10/18/2018 4:47:53 PM EDT
[#50]
Yep, still waiting on my 8/19 order to ship, 3 mags I had switched to guard models.
Was really hoping to have them in hand so I could directly compare it to my old colt mag blowback, but I'm selling it this weekend. |
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