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It sounds like the bolt carrier isn't as free to move as it should be. Take the cover off and remove the carrier spring. And remove the bolt, but not the bolt carrier. Slide the carrier up and down. See if it moves freely.
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Id be interested in some pics of these, if you have the time and equipment to do so.
As far as the problem goes, you say the action feels stiff. Is the carrier binding on the rails? Pop the top cover and look around in there. You might find something out of place. |
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First, i'd like to see these, so post a ton of pics if u can.
Second, did you strip it down completely and remove all the crud/metal shards/burs and re-oil before shooting? All century rifles I owned required this before shooting well. No-ban cetme and wasr10 GP, and Sar1. Try doing that first. What fcg does it have? Century made or G2? How's the accuracy with the few barrel, and whats the overall fit and finish? What kind of mags are you using? Make sure the bolt/extractor is oiled. If these dont work, try polishing it, but as a last resort. Did i mention pics |
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Again, please post some pics if you can. The one I saw at the gun shop looked and felt like an excellent build but of course I didn't get to shoot it.
I'll pretty much back up what the other guys said....its seems like the carrier can't move as freely as it should or I guess it's possible that they really screwed up and made the rail with the ejector back to far. |
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I polished the crap out of the FCG last night. I will take it to the range this weekend and see if that made any difference. I will try to post some pics.
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Check to see if the gas port valve rotor is in 180 degrees out (rolled upside down). An easier way than taking it apart would be to remove the bolt carrier/piston and gas tube, plug the chamber with your finger and blow into the muzzle. Air should pass freely through the gas port.
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Be careful when polishing the hammer wings and trigger hook, a little too much off and you'll accidently have an unlicensed go-fast rifle ...
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Another factor to take into consideration is the EJECTOR. So many times it sticks out too far to let the action cycle so it needs to be trimmed. Well, from what I've heard of Century, if THEY trimmed it very possibly it could be trimmed too short and not hitting the rim of the shell good enough (solid enough). Check that too!
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If that were the case is there anything that could be done to fix it? |
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Just take it apart and inspect the ejector for any signs of filing. Take a pic of the ejector and post on here so we can see. Did you strip and clean it like everyone said? |
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I had a similar problem with a Maadi about ten years ago. You may have a rough extractor. Try pulling the bullets and firing a primer only and seeing if the case comes out when manually extracting (eg pulling on bolt handle). A little judicial stoning may help
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That ejector does NOT look too short to me. The only way to see for sure is to check how it interfaces with the bolt but it looks good in your pic. I wonder if it's TOO long and dragging on (slowing down) the bolt? When you take the recoil spring out, with the hammer cocked back, how freely does the bolt and bolt carrier slide back and forth??
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How many rounds did you fire? It might just need to go through a couple hundred rounds to smooth things out.
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A couple of things come to mind.
1. The piston is undersized allowing the gas to escape around and down the tube. Is it a US made piston or is it the factory? If you take a good pic we might be able to tell, but you will still have to mic the diameter an compare to a factory piston. 2. Possible that something is in the gas port. 3. The gas port is to small, but unlikely. |
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I may have found the problem, the extractor had a build up of gunk in the grove that catches the cartridge rim. I took the bolt apart and cleaned everything and will take it to the range this weekend for a shakedown.
www.gunsnet.net/Linx310/trouble.htm |
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Well good you think its fixed! But i still see shards of metal shavings and crud in the receiver. Get a can of brake cleaner and blow it all out. Out of the bolt and all the internals, then clean and re-oil. Trust me, it will help. Get it all.
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If that's a Nodakspud receiver, it should be first rate.
Are there any signs of gas leaks around the grenade sight? |
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Actually the stuff that looks like metal shavings is the red sealer from Wolf Ammo. You are right I need to clean it but it is not from Century's manufacturing process.
No there are no signs of gas leaks of any kind. If it turns out to be fixed this rifle is very nice. My only complaint is that is has a non chrome lined barrel and the crappy Century FCG. Obviously for $40.00 to $100.00 I could fix the FCG. |
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There is supposed to be play in the piston. All AK's are that way. I'm sorry to hear it is still malfunctioning. I wonder if there are any members who live near you that could take a look at it?
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Wiggle is good, you don't want a stiff piston. I think the pistons supposed to be backed out one turn and then pinned. I think you got a gas problem somewhere, what's the head of the piston look like? Is the gas tube pitted or gunked up?
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From the pic, the piston looks good. Can't really tell about the gas tube. Are you sure that grenade gas shutoff is opening all the way?
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Do you have an Air compressor?
If you do...Blow some air through the gas block to see if there might me any obstructions. |
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Thats what I was thinking. Something could have happened to the shut of during the barrel swap. |
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I was able to pass a pipe cleaner throught the gas prot into the bore. There is some fouling around the hinges to the grenade launcher but not much so I don't thing much gas is leaking out.
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+1 How do you fuck up an AK? Kids make them in caves for chrissakes. CAI had previous issues with crap quality and shitty mag well conversions but the fucking things at least cycled reliably. |
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Take the top cover and recoil spring off.
Does the bolt carrier assembly move forward and backwards on the receiver rails without binding? |
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If the spent cartridge is staying in the chamber, I had a similar problem with an AK 74. If the cartridge is in real tight and very hard to pull out. I used a rubber mallet to drive the bolt and carrier home and then gave the charging handle a whack in the recoil direction. This pulled out the spent cartridge. I knew the extractor was fine. I then went and got a stainless bore brush that fit the chamber and cleaned it thoroughly. I used a light and a dental pic to clean the ridge where the chamber meets the rifling. I was surprised how much crud came out with the dental pic. My chamber was shiney, not dull like your pic and problem solved. You can skip the rubber mallet part if you like. But if the cartridge comes out fairly easy by hand, then a dirty chanber is not the answer and never mind.
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It turned out to be a bad extractor, I swapped the extractor for one off a parts kit I have and it ran fine.
Where can I purchase a new extractor? |
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K-Var, but you're going to want to buy a bunch more stuff to make it worth buying just the extractor from them, shipping is high.
www.k-var.com/shop/product.php?productid=16630&cat=0&page=1 |
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John, remember who this was coming from. Century has it's faults, but I wouldn't of had my first low priced affordable AK if it weren't for century and their SARs and WASRs, among others. I definately wouldn't have my C&Rs from AIMsurplus if it wasn't for Century. |
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Yeah,I know.I usually dismiss everything he spews out,but we have alot of new People around here who don't know he's not quite carrying a full load.
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Voldy, way to be productive
try to offer some advice since you have a Yugo, there's no advice that can't help in some way. |
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posted earlyer by gks452 Member
How many rounds did you fire? It might just need to go through a couple hundred rounds to smooth things out. +1...my waser is still stiff as hell and i've put about 3-400 rounds through it.....but i can tell the diference from when i first got it....at first it would jam like 3 times a mag.....now it is down to about once a mag. |
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