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Posted: 11/10/2009 11:35:10 AM EDT
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I have a FAL that was built on a CIA/Imbel receiver, Isreali heavy barrl kit. I purchased on G'broker last year. I ran great for 2-300 rounds then a problem. Upon firing, the case is ejected and a new cartridge stripped from the mag and loaded into the chamber. All seems fine except the trigger is not reset. The other odd thing is that if you load and fire one round, the bolt will lock back on the empty mag. Release the mag and let the bolt drop forward and the trigger works. It's weird that the trigger resets when locked back on an empty mag but not when cycling normally. Any thoughts?
Thanks in advance. |
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Have you tried the standard function check?
Loss of disconnector function would explain what you're experiencing, and if you run a standard function check you will discover quickly if thats the case. Then check the trigger/sear assembly to find the source of the malfunction. ref: http://www.ar15.com/content/guides/functionCheck/ Obviously, disregard the auto and burst tests on a semi-only rifle. |
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The two replies above are one of the things that come first to mind, the other being short-stroking. If there is not enough gas pressure to move the bolt back over a loaded mag (whose upward pressure against the bottom of the bolt would tend to retard the movement of the bolt), that might account for the problem, also. A stripped (or non-loaded mag) would not exert any retarding pressure on a bolt, thus imposing less retarding force on the bolt, and allowing it to trael inimpeded. Could even be a combination of the two. Even if the FCG parts all look good, it will be hard to tell, by sight alone, if the springs are GTG. Might want to order a new set, just in case..
Whatever you do, thoroughly clean and properly lube the rifle. If the above suggestion does not help, then try opening up the gas port. |
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Quoted:
then try opening up the gas port. Only if the adjustable gas system is all the way closed to begin with. I was presuming that you'd adjusted the gas system correctly to begin with. Depending on the outcome of the function check and fire control parts examination you should probably try the standard FAL gas system adjustment. |
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Quoted:
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then try opening up the gas port. Only if the adjustable gas system is all the way closed to begin with. I was presuming that you'd adjusted the gas system correctly to begin with. Depending on the outcome of the function check and fire control parts examination you should probably try the standard FAL gas system adjustment. OP says in 1st post that rifle is stripping single rd from mag, loading it, and hammer re-sets. That tells me he's getting some gas, at least. OTOH, apparently fully loaded mag displays issues with hammer re-set, thus my comments on short-stroking. We could easily both be at least partially right on this one. |
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OP says in 1st post that rifle is stripping single rd from mag, loading it, and hammer re-sets. No, he says rounds loaded from the mag result in hammer NOT reset. Only time he get hammer reset is after bolt locked back on an empty mag. Sounds like a disconnector problem which probably be revealed by a standard function check. There are usually at least a couple disconnector malfunction threads per week between the AR, AK and other firearms forums, and considering the potential ramifications one would think people would be a little more attuned to this issue and attentive enough to run a simple function check on ANY semi auto firearm exhibiting potential fire control problems. |
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Quoted:
Quoted:
OP says in 1st post that rifle is stripping single rd from mag, loading it, and hammer re-sets. No, he says rounds loaded from the mag result in hammer NOT reset. Only time he get hammer reset is after bolt locked back on an empty mag. Sounds like a disconnector problem which probably be revealed by a standard function check. There are usually at least a couple disconnector malfunction threads per week between the AR, AK and other firearms forums, and considering the potential ramifications one would think people would be a little more attuned to this issue and attentive enough to run a simple function check on ANY semi auto firearm exhibiting potential fire control problems. I have recently dealt with some H/T/S issues on a couple of my FAL's.. Problems were from springs and hard parts both and are now fixed.. Two rifles in particular went from being 100% reliable to shit in about that much time BOTH being almost NEW US H/T/S sets.. These issues did not develope over several thousand rounds but after as few as several hundred.. They also did NOT manifest themselves in the traditional function test so that is not an etched in stone trial.. The FAL has no disconnector (unless that's what you call a sear?) but the Ledges on the Hammer and Trigger as well as the contact edge of the sear can and do cause problems.. It "sounds" like the sear is not catching the hammer but close inspection should reveal any problems. The H/T/S on the FAL is a Piece of Cake to take out so I would look there first.. Since there could be a number of causes I would suggest hitting the FAL FILES as there is a significant amount of info on this very anomoly.. |
Century used some really junk HTS parts, and I would bet that is where the problem is. Just about any other aftermarket hammer,trigger,sear kits are better than them. If I have enough parts count, I replace what I can with the original factory parts= 'mo betta. Usually the factory hammer does the trick .
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