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Posted: 1/19/2019 4:09:52 PM EDT
5 days of shooting 9mm AR on binary and fostec echo 2-
It was fun.  .
Mix of surpressed and unsupressed out of 8”barrel. |
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Posted: 1/19/2019 4:12:22 PM EDT
[#1]
At least you were able to spend more in ammo than you did on the trigger..?
Any hiccups before failure? |
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Posted: 1/19/2019 4:13:58 PM EDT
[#2]
Under warranty?
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Posted: 1/19/2019 4:14:28 PM EDT
[#3]
Quote HistoryQuoted:
At least you were able to spend more in ammo than you did on the trigger..? Any hiccups before failure?
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Posted: 1/19/2019 4:14:36 PM EDT
[#4]
Gonna post what happened?
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Posted: 1/19/2019 4:16:38 PM EDT
[#5]
Quote HistoryQuoted:
Gonna post what happened? |
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Posted: 1/19/2019 4:16:57 PM EDT
[#6]
Whatever this piece was it broke off.
Dissappointed in cast parts. 
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Posted: 1/19/2019 4:17:01 PM EDT
[#7]
I am overwhelmed by the technical detail!
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Posted: 1/19/2019 4:17:56 PM EDT
[#8]
Quote HistoryQuoted:
Gonna post what happened? The fucking triggers get big dents where they strike the firing pin. Breakage is a matter of time, IMO. They're made out of castings. |
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Posted: 1/19/2019 4:17:57 PM EDT
[#9]
Quote HistoryQuoted:
Post implies, but does not explain, some sort of trigger failure. Possibly due to OP's amateurish disassembly attempt? Quote HistoryQuoted:
Quoted:
Gonna post what happened? Are you sittin next to me watching me take this thing apart devil dog? Perhaps you are familiar with this trigger, probably not just typing garbage. Thats cool. |
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Posted: 1/19/2019 4:20:01 PM EDT
[#10]
where did that little cast thing come from and what did it do befo it brokeded?
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Posted: 1/19/2019 4:21:11 PM EDT
[#11]
Quote HistoryQuoted:
Hammer broke. Almost 100%. The Fostech Echo trigger is possibly the cheapest made expensive thing I can think of. The fucking triggers get big dents where they strike the firing pin. Breakage is a matter of time, IMO. They're made out of castings. Quote HistoryQuoted:
Quoted:
Gonna post what happened? The fucking triggers get big dents where they strike the firing pin. Breakage is a matter of time, IMO. They're made out of castings. |
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Posted: 1/19/2019 4:23:08 PM EDT
[#12]
Sorry your trigger broke by the way.
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Posted: 1/19/2019 4:24:00 PM EDT
[#13]
Have you contacted Fostech for a replacement?
Im gonna be pissed if they dont stand by it. I havent even gotten around to installing my gen 1 preorder on anything, but if its gonna break and they aren't gonna fix it... |
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Posted: 1/19/2019 4:27:42 PM EDT
[#14]
Quote HistoryQuoted:
Have you contacted Fostech for a replacement? Im gonna be pissed if they dont stand by it. I havent even gotten around to installing my gen 1 preorder on anything, but if its gonna break and they aren't gonna fix it... |
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Posted: 1/19/2019 4:27:48 PM EDT
[#15]
Quote HistoryQuoted:
Hammer broke. Almost 100%. The Fostech Echo trigger is possibly the cheapest made expensive thing I can think of. The fucking triggers get big dents where they strike the firing pin. Breakage is a matter of time, IMO. They're made out of castings. Quote HistoryQuoted:
Quoted:
Gonna post what happened? The fucking triggers get big dents where they strike the firing pin. Breakage is a matter of time, IMO. They're made out of castings. |
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Posted: 1/19/2019 4:28:14 PM EDT
[#16]
Quote HistoryQuoted:
Have you contacted Fostech for a replacement? Im gonna be pissed if they dont stand by it. I havent even gotten around to installing my gen 1 preorder on anything, but if its gonna break and they aren't gonna fix it... |
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Posted: 1/19/2019 4:29:19 PM EDT
[#17]
What was the firing schedule like?
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Posted: 1/19/2019 4:31:18 PM EDT
[#18]
9mm PCCs are kinda rough on parts.
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Posted: 1/19/2019 4:31:27 PM EDT
[#19]
Quote HistoryQuoted:
What was the firing schedule like?
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Posted: 1/19/2019 4:34:05 PM EDT
[#20]
Quote HistoryQuoted:
9mm PCCs are kinda rough on parts.
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Posted: 1/19/2019 4:34:51 PM EDT
[#21]
Tag
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Posted: 1/19/2019 4:35:29 PM EDT
[#22]
PCC's will eat a lot of nice single stage triggers. They produce something like 20% more g's cycling than a gas gun. This result is not surprising.
That was what I was told by a Timney engineer when my PCC's trigger shit the bed at a match. Heard similar stories from others. Went to a 2 stage. |
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Posted: 1/19/2019 4:39:19 PM EDT
[#23]
Is it because they are blowback? Or is it something else?
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Posted: 1/19/2019 4:40:37 PM EDT
[#24]
Quote HistoryQuoted:
Is it because they are blowback? Or is it something else? So not only is there a violent recoil force, there's a violent counter recoil force too. I was somewhat shocked the first time I shot one. |
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Posted: 1/19/2019 4:40:55 PM EDT
[#25]
Quote HistoryQuoted:
That is because they kick so much. Quote HistoryQuoted:
Quoted:
9mm PCCs are kinda rough on parts. 
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Posted: 1/19/2019 4:41:05 PM EDT
[#26]
Had an issue with mine last week also on my belt bed after about 1k rounds. It was really weird, it locked up. Hammer wouldn’t fall. Trigger was locked. Kept playing with it and somehow freed itself and started working again.
Didn’t fire it again cause I was dark and scared it wasn’t actually fixed. Wanted to look at it more closely once i got home. Seems good to go |
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Posted: 1/19/2019 4:46:36 PM EDT
[#27]
Quote HistoryQuoted:
Had an issue with mine last week also on my belt bed after about 1k rounds. It was really weird, it locked up. Hammer wouldn’t fall. Trigger was locked. Kept playing with it and somehow freed itself and started working again. Didn’t fire it again cause I was dark and scared it wasn’t actually fixed. Wanted to look at it more closely once i got home. Seems good to go |
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Posted: 1/19/2019 4:53:19 PM EDT
[#28]
Ramped BCG?
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Posted: 1/19/2019 4:54:37 PM EDT
[#29]
Quote HistoryQuoted:
PCC's will eat a lot of nice single stage triggers. They produce something like 20% more g's cycling than a gas gun. This result is not surprising. That was what I was told by a Timney engineer when my PCC's trigger shit the bed at a match. Heard similar stories from others. Went to a 2 stage. This is why some ramp their bolts, and why the Colt semi auto 9mm hammer is a little triangle affair (reduced mass). I did not ramp my bolt, but I retained the 9mm hammer. Also, I am using a 7 ounce .45ACP buffer in my 9mm SBR. 
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Posted: 1/19/2019 5:08:00 PM EDT
[#30]
Subscribed to see what fostech says
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Posted: 1/19/2019 5:10:34 PM EDT
[#31]
God damn i bet that gun was dirty as all fuck after that much 9mm
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Posted: 1/19/2019 5:11:08 PM EDT
[#32]
Have the same screwdriver. It's trash.
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Posted: 1/19/2019 5:15:43 PM EDT
[#33]
Quote HistoryQuoted:
Well if you read the title it was 3k rounds over 5 days. Quote HistoryQuoted:
Quoted:
What was the firing schedule like? |
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Posted: 1/19/2019 5:23:23 PM EDT
[#34]
If you get a chance, pics of the broken piece next to the part it came off of would be really nice.
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Posted: 1/19/2019 5:28:49 PM EDT
[#35]
I want to hear more about the baffle strike. What suppressor, and are there any photos?
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Posted: 1/19/2019 5:34:04 PM EDT
[#36]
Quote HistoryQuoted: So edgy. Tough guy. Are you sittin next to me watching me take this thing apart devil dog? Perhaps you are familiar with this trigger, probably not just typing garbage. Thats cool. |
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Posted: 1/19/2019 5:37:55 PM EDT
[#37]
In for Fostech response...
...also shocked that other people are putting these things in SIG MPXs which are known to be harder on triggers than typical AR9 like OP describes! |
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Posted: 1/19/2019 5:38:50 PM EDT
[#38]
I’d like to see what the hammer face looks like after 5k in an AR9. Interested to see what the failure was also. Had a little over 3k 5.56 on mine before I sold it. Hammer face was a bit dented but still ran great. Will most likely buy another come spring.
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Posted: 1/19/2019 5:44:02 PM EDT
[#39]
Quote HistoryQuoted:
I want to hear more about the baffle strike. What suppressor, and are there any photos?  Liberty mystic 2nd time I did this. Direct threads walk off with mag dumps |
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Posted: 1/19/2019 5:51:10 PM EDT
[#40]
Quote HistoryQuoted: https://www.AR15.Com/media/mediaFiles/32554/EC0A74E6-2482-417D-B6F0-15432B5FA3C2-813798.jpg Liberty mystic 2nd time I did this. Direct threads walk off with mag dumps |
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Posted: 1/19/2019 5:55:34 PM EDT
[#41]
Quote HistoryQuoted: https://www.AR15.Com/media/mediaFiles/32554/EC0A74E6-2482-417D-B6F0-15432B5FA3C2-813798.jpg Liberty mystic 2nd time I did this. Direct threads walk off with mag dumps |
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Posted: 1/19/2019 6:22:46 PM EDT
[#42]
Quote HistoryQuoted:
https://www.AR15.Com/media/mediaFiles/32554/EC0A74E6-2482-417D-B6F0-15432B5FA3C2-813798.jpg Liberty mystic 2nd time I did this. Direct threads walk off with mag dumps Quote HistoryQuoted:
Quoted:
I want to hear more about the baffle strike. What suppressor, and are there any photos? Liberty mystic 2nd time I did this. Direct threads walk off with mag dumps |
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Posted: 1/19/2019 6:23:48 PM EDT
[#43]
How do you keep direct threads from walking off? Do you just have to keep an eye on it or can you use Rocksett?
Edit: I didn’t see the above post |
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Posted: 1/19/2019 6:26:54 PM EDT
[#44]
Toys break.
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Posted: 1/19/2019 6:45:29 PM EDT
[#45]
Quote HistoryQuoted:
Yes. And due to that have a huge amount more reciprocating mass in the system. So not only is there a violent recoil force, there's a violent counter recoil force too. I was somewhat shocked the first time I shot one. Quote HistoryQuoted:
Quoted:
Is it because they are blowback? Or is it something else? So not only is there a violent recoil force, there's a violent counter recoil force too. I was somewhat shocked the first time I shot one. Trigger pooped total round count is about 5-6k Magpul sights poped off Its fun, especially with a can and subsonics. ETS mags work perfectly. Going to get w tri-lug and another biniary- franklin armory. Shooting without a can is pretty fun. |
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Posted: 1/19/2019 6:47:27 PM EDT
[#46]
Tag
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Posted: 1/19/2019 6:51:23 PM EDT
[#47]
It’s a trigger...
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Posted: 1/19/2019 7:14:59 PM EDT
[#48]
Quote HistoryQuoted:
Hammer broke. Almost 100%. The Fostech Echo trigger is possibly the cheapest made expensive thing I can think of. The fucking triggers get big dents where they strike the firing pin. Breakage is a matter of time, IMO. They're made out of castings. |
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Posted: 1/19/2019 7:31:18 PM EDT
[#49]
are you missing pieces? I have no idea what the item in the pic is that you say is the broken piece. maybe it just disassembled itself? the trigger explodes into little pieces if you accidentally pull the trigger before the pack is secured into the control pocket (did it a few times myself) so i got a good look at all the parts inside when i had to reassemble everything. I don't recall a flat piece like that. more pics of all the parts you have?
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Posted: 1/19/2019 8:03:42 PM EDT
[#50]
Quote HistoryQuoted:
are you missing pieces? I have no idea what the item in the pic is that you say is the broken piece. maybe it just disassembled itself? the trigger explodes into little pieces if you accidentally pull the trigger before the pack is secured into the control pocket (did it a few times myself) so i got a good look at all the parts inside when i had to reassemble everything. I don't recall a flat piece like that. more pics of all the parts you have? . Way more pieces. But I cant figure out what part broke. When I get back home and not in the middle of the desert I will open the one I have that is still working to figure it out.
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