RUST
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Posts: 200
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Post by RUST on Feb 3, 2014 15:45:55 GMT -5
So I just got a VFC scar L, and the midcaps I got don't work all too well. It works fine with the high cap that came with the gun, but the midcaps dont feed right. They are 150 rounders, and have a few problems. First is that they dont seem to feed right, which leads to the rounds either just popping out at like 3 fps, or they build up in the barrel then like 5-6 will come out. and the mags only start feeding right once I unload on full auto until they come out. This is not an ideal situation because I could eventually damage the gun that way, and by the time it starts firing rounds at the right speed the mag is essentially out of bbs, which is pretty damn annoying. I have ^ of them and they all do this. I have sprayed silicon oil in them and loaded them and unloaded them each about 10 times to break them in, but they still give me problems. If anyone has suggestions or knows what is wrong with them please help me out. Thanks!
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Post by Legionnaire on Feb 3, 2014 16:00:06 GMT -5
There is a chance they aren't seating in the magwell/meshing with the hop up correctly. Use some masking tape inside the receiver until you get the fit you want. Not sure if this is actually your problem but its an idea.
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Post by Gimpalong on Feb 3, 2014 16:05:05 GMT -5
Try inserting a magazine into the gun and then, while holding the bottom of the magazine, press it upwards into the gun. Does that improve feeding? With a magazine in the gun, try tilting the magazine forward or backwards in the magazine well while pressing up on the magazine. Does that improve feeding?
Have you tried to run the mid-caps through another rifle? If so, do they feed or not?
Sometimes magazines don't seat correctly in the magazine well and this can cause misfeed or no feeding. If this is the case, you can usually put some tape or sticky-sided velcro into your magazine well to correct the problem and insure proper feeding.
Since your high-capacity magazine works fine that would seem to indicate a problem with your magazines. Try the above suggestions and get back to us. I'm sure some other folks will be along shortly to offer their own, more technically experienced advice.
edit: Dammit, Legionnaire! So fast... Why aren't you making YouTube videos for me to watch?
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Deuce
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Post by Deuce on Feb 3, 2014 16:18:30 GMT -5
There is a chance they aren't seating in the magwell/meshing with the hop up correctly. Use some masking tape inside the receiver until you get the fit you want. Not sure if this is actually your problem but its an idea. I agree, I use a small strip of Velcro on the back of my magwell to correct the problem on my mk18. Also, note that new mid caps require breaking-in in order for them to feed properly. A little bit of silicon oil and loading the mags 4-5 times will do the trick.
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T6e9a
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Post by T6e9a on Feb 3, 2014 16:43:15 GMT -5
I would also suggest to make sure the hop up is all the way turned off, to make sure it isn't jamming up bbs in the unit. But past that, what everyone else has been saying with the placement of the magazine in the magwell.
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RUST
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Posts: 200
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Post by RUST on Feb 3, 2014 17:48:21 GMT -5
So here's what I found: the midcaps have no wiggle room, but the highcap does, which is a little strange but either way they still weren't feeding even with pushing them upwards. So I looked online, and some guy on another forum had the same issue, and he found that it was the bbs he was using. So I changed the bbs from .25 bio bbs to .25 non bio, and nothing changed. So at this point I am starting to think that I have to buy new mags, because no matter what I do these don't seem to be compatable, which leaves me with the task of finding midcaps that are compatable with it because I don't want to buy new mags without knowing for sure they will work.I'm going to try a bit more to get them to work but its not looking good
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Deuce
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Posts: 313
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Post by Deuce on Feb 3, 2014 17:50:27 GMT -5
So here's what I found: the midcaps have no wiggle room, but the highcap does, which is a little strange but either way they still weren't feeding even with pushing them upwards. So I looked online, and some guy on another forum had the same issue, and he found that it was the bbs he was using. So I changed the bbs from .25 bio bbs to .25 non bio, and nothing changed. So at this point I am starting to think that I have to buy new mags, because no matter what I do these don't seem to be compatable, which leaves me with the task of finding midcaps that are compatable with it because I don't want to buy new mags without knowing for sure they will work.I'm going to try a bit more to get them to work but its not looking good What is the brand on the mags and your gun? Some fit differently in different brands.
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RUST
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Posts: 200
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Post by RUST on Feb 3, 2014 18:01:12 GMT -5
So here's what I found: the midcaps have no wiggle room, but the highcap does, which is a little strange but either way they still weren't feeding even with pushing them upwards. So I looked online, and some guy on another forum had the same issue, and he found that it was the bbs he was using. So I changed the bbs from .25 bio bbs to .25 non bio, and nothing changed. So at this point I am starting to think that I have to buy new mags, because no matter what I do these don't seem to be compatable, which leaves me with the task of finding midcaps that are compatable with it because I don't want to buy new mags without knowing for sure they will work.I'm going to try a bit more to get them to work but its not looking good What is the brand on the mags and your gun? Some fit differently in different brands. They are CYMA full metal 150 rounders
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Deuce
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Posts: 313
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Post by Deuce on Feb 3, 2014 18:10:59 GMT -5
What is the brand on the mags and your gun? Some fit differently in different brands. They are CYMA full metal 150 rounders I personally use mag brand mid caps and my gun uses a G&P body. With the addition of the Velcro I have had no problems. I can't say anything about CYMA mid caps, but I prefer mag brand.
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Post by MayhemXXXFrosty (AndrewMp5k) on Feb 3, 2014 20:29:30 GMT -5
Compare the magazine feed lips. If the Hicap works fine and has wiggle room, but the midcaps don't and don't have any play. You may need to sand your mags or magwell so they sit right.
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RUST
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Post by RUST on Feb 3, 2014 20:36:47 GMT -5
Compare the magazine feed lips. If the Hicap works fine and has wiggle room, but the midcaps don't and don't have any play. You may need to sand your mags or magwell so they sit right. Yeah Im going to try sanding one down and see what happens. it looks to be slightly taller, and by slightly I mean like barely a sliver. also the feed lip on the midcap looks to be slightly wider around than the highcap, so Im going to sand that too and see what happens. It would really piss me off if I have to buy a new set of mags.
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Post by snafu on Feb 3, 2014 21:22:33 GMT -5
I wish I could have told you to buy the MAG brand mid caps. I've bought many new and used and the only time I've ever had a problem is the few times I've overfilled them.
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Post by TheEnd on Feb 3, 2014 21:42:05 GMT -5
I would advise against putting silicone oil in your mags. It will get on the bb's which will then deposit it onto your bucking. Lubricant in a friction based system = bad news. Sort of like greasing up the brake rotors on your car. It will also attract the dirt and dust that will be hiding at the bottom of your mag pouches or dump pouch which could mean oily and gritty bb's. If your mags are having trouble feeding due to friction, polish or break the edges. Don't lubricate them. ...by the time it starts firing rounds at the right speed the mag is essentially out of bbs... This to me sounds like the mag spring is so strong that your tappet plate return spring can't push the nozzle forward to fire when they are fully loaded. This will happen as you increase the rounds in a midcap. I know of a few people who had the same issue with those MAG 170rd P90 mags. The springs required to push that many rounds can easily overcome the tiny little tappet spring. Try leaving them half loaded overnight and see if they are any more reliable.
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RUST
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Post by RUST on Feb 4, 2014 0:31:26 GMT -5
I would advise against putting silicone oil in your mags. It will get on the bb's which will then deposit it onto your bucking. Lubricant in a friction based system = bad news. Sort of like greasing up the brake rotors on your car. It will also attract the dirt and dust that will be hiding at the bottom of your mag pouches or dump pouch which could mean oily and gritty bb's. If your mags are having trouble feeding due to friction, polish or break the edges. Don't lubricate them. ...by the time it starts firing rounds at the right speed the mag is essentially out of bbs... This to me sounds like the mag spring is so strong that your tappet plate return spring can't push the nozzle forward to fire when they are fully loaded. This will happen as you increase the rounds in a midcap. I know of a few people who had the same issue with those MAG 170rd P90 mags. The springs required to push that many rounds can easily overcome the tiny little tappet spring. Try leaving them half loaded overnight and see if they are any more reliable. Yeah seems like a good plan. I might as well try everything i can before trying to sand them down, because anything to avoid sanding will be a lot eaisier in the long run. but if it comes to sanding then thats what ill have to do.
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Post by slippy on Feb 4, 2014 1:35:18 GMT -5
In my VFC 416 I had the same problem but my mags were ungodly loose. Velcro strips on the back of the mags helped as far as alignment but made mag changes a complete B*tch. I just installed a new hop unit (Prowin cnc) and my problem completely disappeared so I no longer have to even use the velcro. Just thought as I would throw that in with the hopes that it may help out. For what it's worth I also suggest Mag mids.
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