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Old September 18, 2019, 19:30   #1
Usar_ds
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HELP! imbel build. dsa type 1 rec. moses mags wont work.

hi all. i am new here and to fals..


i had dsa install and headspace a barrel on my imbel parts kit and conduct a live fire test.

im using a dsa type 1 receiver.

i got the barreled upper back from dsa yesterday.

only mags i have are moses mags. i have 7 moses mags i got from dsa.

out of the box all 7 mags will not lock in with bolt closed. all mags lock in fine with bolt open but bolt will not shut with mag in. bolt binds 100% of the time at .025" from closing.

i attempted to mod 1 mag. very slowly i removed a little bit at a time from the rear lug until it would lock in with the bolt closed. bolt would still bind. i removed a tiny bit more. bolt now closes, but will not feed rds. bolt skips over rds when hand cycling. ie full mag with empty chamber.

MODED MAG STILL LOCKS BOLT BACK ON EMPTY EVEN THOUGH IT SKIPS OVER RDS WITHOUT FEEDING.

not sure what to do here. i dont wanna ruin anymore mags. i dont have any metal mags.

is this an out of spec receiver or a mag issue.

please advise.

Last edited by Usar_ds; September 18, 2019 at 19:59.
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Old September 18, 2019, 20:01   #2
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Ejector block fitment issue likely

I suspect your ejector block is a bit high. I've built a Imbel on a dsa type I that was a cast receiver and it had the same issue. The owner was down for a WECSOG fix and he relieved the high spot in the eblock and it functions without issue now but it was his choice and 4 hrs of his time spent carefully relieving the high spot ( A wise Gunplumber said a fool rushes for a file ) and you should consider your issue patiently.

As for the Moses mags The DSA type I and my own Coonan type I do not care for them and they are two receivers with known E block fitment issues.

The Moses mags function flawlessly in my other rifles.
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Old September 18, 2019, 20:02   #3
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Recommend getting a couple of surplus mags.
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Old September 18, 2019, 20:06   #4
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Recommend getting a couple of surplus mags.
Good advice right there
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Old September 18, 2019, 20:06   #5
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thanks for the advice.

how does one determine if the ejector block is high?

also. i found a guy at work that has a fal. he is lending me a couple surplus mags to test. should be bringing them by on monday.

should do in a pinch as i cant find metal mags for sale anywhere
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Old September 18, 2019, 20:30   #6
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You might try the surplus mags first and if it functions correctly enjoy

one thing at a time perhaps
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Old September 18, 2019, 20:34   #7
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hah

thanks. noted.

prolly prudent not to get ahead of myself.
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Old September 18, 2019, 21:53   #8
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... should do in a pinch as i cant find metal mags for sale anywhere
Might want to keep an eye here in the FAL Files 'Marketplace'. You're not likely to find much 'out there' but you can find them here nearly every day. There was one cat a few months back who sold literally a couple hundred, in lots of 5 or 10, iirc. Or, post a 'Want to Buy' ad in the Marketplace. They're there to be had, this I guarantee. Expect to pay about $20-$25; ymmv...
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Old September 18, 2019, 22:10   #9
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thanks. ill keep an eye out. and hopefully this is just a mag issue
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Old September 19, 2019, 00:03   #10
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I just bought 5 mags from Sarco and all 5 of them are modified inch mags and work beautifully. DSA also currently has mags for sale on their website. Israeli and Modified inch mags. Try surplus mags before you do anything to your rifle. If the Moses mags don't work sell them and go with surplus.
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Old September 19, 2019, 00:11   #11
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sarcos website is down today. at least it was for me on both my phone and my comp. hosting issue looks like.

dsa was out of mags except moses a few hours ago although ill recheck.

numrick has ding and dented mags. i may try.

thanks for the heads up.

i am pretty frustrated as this rifle has been a year in the making. part by part here and there and its done but i cant even test fire.

if it ends up being mag issue ill definately sell the moses mags though.

again thanx

Last edited by Usar_ds; September 19, 2019 at 00:33.
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Old September 19, 2019, 06:56   #12
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sarcos website is down today. at least it was for me on both my phone and my comp. hosting issue looks like.

dsa was out of mags except moses a few hours ago although ill recheck.

numrick has ding and dented mags. i may try.

thanks for the heads up.

i am pretty frustrated as this rifle has been a year in the making. part by part here and there and its done but i cant even test fire.

if it ends up being mag issue ill definately sell the moses mags though.

again thanx
You stated in the original post that DSA was supposed to do a live fire test. Did this not happen? Or did they hand feed rounds to fire it? DSA assembled it, I believe I'd be asking them WTF is up.
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Old September 19, 2019, 08:31   #13
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i did reach out to dsa.

they asked if i could try some surplus mags.

at this point without trying metal mags i assume they live fire tested it with a metal mag.

when i get access to test some surplus mags next monday ill have a better idea.

Last edited by Usar_ds; September 19, 2019 at 09:07.
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Old September 19, 2019, 09:08   #14
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Before the Moses Mag debacle and DSA took over, it was not uncommon to have to alter the feed lips of the MMags for them to feed properly. The lips were too close to each other and had to be opened up a little. I opened mine up using the receiver rails as a guide to how far to go. All it took was a 4 or 5 swipes with a file on each lip to make them work fine. That should also keep the lips from hitting the bolt as it moves and allow it to fully close under load.
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Old September 19, 2019, 10:00   #15
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i cant find metal mags for sale anywhere
Company naming Sarco is having many metal mags. Having from countries in Israel and in the South of Africa. Some are having paint.
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Old September 19, 2019, 10:07   #16
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i cant get sarcos website to load.

i get:

Coming Soon
This store will be launching shortly.
Please visit again!

with an ecommerce hosting link.

is this just me?
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Old September 19, 2019, 10:15   #17
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Why don't you just look in the files marketplace?

http://www.falfiles.com/forums/showthread.php?t=445140
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Old September 19, 2019, 11:11   #18
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i had scanned through the marketplace yesterday, i didnt see that add.

so good lookin out.

i did however just buy 4 surplus mags from numerick this morning.

i think i am gonna hold up till i test the rifle before throwing anymore money at mags.

still hoping its a moses mag issue. though, if the surplus mags i try all work, ill be all over that deal provided its still available.

Last edited by Usar_ds; September 19, 2019 at 11:58.
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Old September 19, 2019, 12:15   #19
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fyi sarco is back up as well.

also. being new here. i want to say thanks to everyone for the advise. still havent determined the cause of the issue yet but i appreciate the responces and tryin to help me figure this out.

Last edited by Usar_ds; September 19, 2019 at 12:42.
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Old September 19, 2019, 18:16   #20
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so i got an email from mike at dsa.

super helpful guy btw.

he sent me a surplus mag for free to diagnose the issue better.

if it still doesnt work with the surplus mag he says i need to send it back to dsa.

fingers crossed i guess.
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Old September 19, 2019, 19:50   #21
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I would send it back to DSA & have them fix their own mess.
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Old September 19, 2019, 20:05   #22
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Do the surplus mag test first
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Old September 20, 2019, 14:22   #23
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so i got an email from mike at dsa.

super helpful guy btw.

he sent me a surplus mag for free to diagnose the issue better.

if it still doesnt work with the surplus mag he says i need to send it back to dsa.

fingers crossed i guess.
I'm going to guess that they "tested" it with one of their new magazines thus why it "worked"
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Old September 22, 2019, 00:05   #24
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well the guy at work lent me a surplus metric mag. ill have to ask were from as it has no markings i can see.

mag locks in fine with bolt open or closed, not real loose, hand cycles flawlessly, no ftf at all, locks on empty.

dsa surplus mag should get here monday to compare it to. mags from numerick should be here wed.

i want to test the other surplus mag types. and really need a live fire test to comfirm everything. but its lookin at this point to be a moses mag in my receiver issue.

im also lending a couple moses mags to the guy at work that lent me a metric mag. he says he has 2 inch rifles so hopefully the moses mags work for him and we can work out a trade or deal with em.

Last edited by Usar_ds; September 22, 2019 at 00:11.
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Old September 22, 2019, 04:58   #25
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Moses mags runs fine in my FAL. I have surplus mags available for trade, send me a PM if you want to trade your Moses mags for surplus mags
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Old September 22, 2019, 19:11   #26
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thanks. ill let u know.
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Old September 23, 2019, 19:51   #27
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UPDATE

rifle runs fine with 2 different surpuls mags from totally different sources.

live fire test of 40 rds. just a quick set the gas and test function only.

with both mags. mags lock in fine with bolt open or closed. rifle cycles fine live or by hand. bolt locks back on last shot.

rifle just doesnt work with moses mags. i lent a couple to the guy at work that lent me a surplus mag. if they run well in his inch gun ill give him first dibs on a trade cause he helped me out.

as a side note i have never delt with dsa prior to this. with this issue dsa has been very responsive and great to deal with. they even sent me a free mag to help me get this rifle running

Last edited by Usar_ds; September 23, 2019 at 20:03.
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Old September 24, 2019, 16:17   #28
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Glad this worked out for you
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Old September 24, 2019, 16:22   #29
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Glad this worked out for you
thanks i appreciate the advise.
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Old September 26, 2019, 23:04   #30
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Old September 26, 2019, 23:09   #31
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new fal brag pic
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Old September 27, 2019, 06:46   #32
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new fal brag pic
Glad you got it running,enjoy!
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Old September 27, 2019, 07:50   #33
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Im curious how accurate that barrel is and what kind of ammo your using.
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Old September 27, 2019, 21:46   #34
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well from my prior live fire function tests, its at least minute of SILHOUETTE 25m zero target now with IWI BALL.


basic ass imbel barrel. outside is overcleaned till unfinnished beyond the handguards. inside handguards its el supro fresh. like new. rifling is very very strong. seems like it was carried and cleaned alot but fired little ( i have some experience in such an assessment ).


ill conduct a real test for accuracy as soon as i can. i have IWI 762 Ball and 168BTHP Match ga arms. so ill let u know.

i also have plenty of sb blue box and silver bear fmj steel so ill maybe see how they run too.

if i haven't said. barrel was with a m&a parts imbel fal kit i bought lasr winter.

Last edited by Usar_ds; September 29, 2019 at 09:31.
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Old September 27, 2019, 22:06   #35
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so i got an email from mike at dsa.

super helpful guy btw.

he sent me a surplus mag for free to diagnose the issue better.

if it still doesnt work with the surplus mag he says i need to send it back to dsa.

fingers crossed i guess.
Nod to Dsa, right there! Thanks Mike - it didn't go un-noticed.
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Old September 28, 2019, 06:54   #36
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i also have plenty of sb blue box and silver bear fmj steel so ill maybe see how they run too.

Be careful with steel case ammo in FAL’s. It has a bad track record. Also keep in mind if I’m not mistaken the S&B blue box was corrosive, so check into that and clean appropriately. Enjoy 😉!!
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Old September 29, 2019, 18:31   #37
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i also have plenty of sb blue box and silver bear fmj steel so ill maybe see how they run too.

Be careful with steel case ammo in FAL’s. It has a bad track record. Also keep in mind if I’m not mistaken the S&B blue box was corrosive, so check into that and clean appropriately. Enjoy 😉!!

thanks for the heads up.
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Old November 15, 2019, 15:04   #38
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Moses Mags/ type 2's

Bought 4 new 11" OSW's. 2 semi auto's and 2 select fires (post 86). ALL moses mags must br "tuned" a little at a time. I bought 30 of them. Fingernail file on sise lips and lock on front of mag a little at a time and now all are perfect. Takes some time and ammo. I buy DSA's .308 and it runs perfectly. Quite a learning curve being a new fal owner and running alot in select fire. Love all 4 guns. Recoil very controlling in full auto. Very impressed with DSA's. The RPD in select fire runs great as well.
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