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Discussion Starter · #101 ·
So these are in stock at Amped Airsoft for the US folks by the way, black and 2 tone, tan is sold out. $600.

Partner forbade me from buying one till we get out and play more... Fair play as I haven't even built my m4 aeg yet! (Or finished hers...)
Well, as you say - fair play! There are more reviews filtering in, and people on the user groups discover little factoids. For example, the stock barrel is pretty good but it's also very slightly wider than other AEG barrels, hence swapping them out can create feeding issues. Easy fix but I'm sure there are more tweaks to come.
 

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Well, as you say - fair play! There are more reviews filtering in, and people on the user groups discover little factoids. For example, the stock barrel is pretty good but it's also very slightly wider than other AEG barrels, hence swapping them out can create feeding issues. Easy fix but I'm sure there are more tweaks to come.
I heard the same thing regarding the barrel, and it may mean issues with alternative hop buckings. Based off of the videos I have seen the motor seems really slow, albeit with pretty respectable torque. To that extent emailed Silverback about brushless motor compatibility with their ETU. They said that they tested with a Solink and it was not compatible but they said owners have reported that Warhead motors worked, but they haven't confirmed that for themselves.
 

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A standard TM spec barrel SHOULD be 8.55mm, which it seems only PDI, Lambda, DaVinci, and Laylax do.
It's rather common to see an 8.42mm barrel, which is a pretty big difference when it comes to buckings and hop chamber fitment.

I'm curious to hear the actual size on these things.
 

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Discussion Starter · #104 ·
A standard TM spec barrel SHOULD be 8.55mm, which it seems only PDI, Lambda, DaVinci, and Laylax do.
It's rather common to see an 8.42mm barrel, which is a pretty big difference when it comes to buckings and hop chamber fitment.

I'm curious to hear the actual size on these things.
Faceless reports it's less than 1mm difference but as you know, that combined with a different thickness of bucking can throw things quite a long way out. I'm sure he said he was using 60 degree buckings with his barrel and it works fine but the hop chamber is such a snug fit it can be tricky.

I'm sure he did mention other barrel types, lemme go check...
 

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Discussion Starter · #105 ·
I heard the same thing regarding the barrel, and it may mean issues with alternative hop buckings. Based off of the videos I have seen the motor seems really slow, albeit with pretty respectable torque. To that extent emailed Silverback about brushless motor compatibility with their ETU. They said that they tested with a Solink and it was not compatible but they said owners have reported that Warhead motors worked, but they haven't confirmed that for themselves.
You can either take some emery cloth/wet and dry to the barrel and gently thin it out (less than 1mm overall) or use a softer rubber, or both. I've heard the same regarding Warhead motors but I'm just going to wait a little longer until some more tests are reported. So many folks have theirs at this point it's only a matter of time :)
 

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You can either take some emery cloth/wet and dry to the barrel and gently thin it out (less than 1mm overall) or use a softer rubber, or both. I've heard the same regarding Warhead motors but I'm just going to wait a little longer until some more tests are reported. So many folks have theirs at this point it's only a matter of time :)
Yeah, I just need to put my patience pants on at this point and wait for the reviews to roll in. My concern is going to be less with the buckings fitting the OEM barrel and more as to what extent I'm going to need to modify an aftermarket barrel to fit in it. I can sand down a barrel if it's too big and get a snug fit, but I have less confidence when the barrel is a proverbial hotdog down the hallway that is the outer barrel/ hop unit.
 

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Discussion Starter · #107 ·
Sausage down the alleyway!

I'll throw in a quote from Faceless on the Silverback MDR-X Owners club:

Upgrade barrel & compatiblity post.
/long post allert/
As some of you previously reported you haveing hard time to install aftermarket barrels.
I just installed my hybrid 6.04 and figured what is causing the issue.
The inner barrel mounting/alignment surface is slightly shifted in some brand of barrels, this is a 0.5-0.8mm difference compared to the stock silverback barrel.
Previously this does not caused an issue, since most chambers has less stricks mounting clips allowing such play going unnoticed.
The chamber shells of the MDR sits really tight around the barrel. If you install an aftermarket one it's highly possible that the sifted surface will not let you close the chamber shells OR if you press the barrel further in the chamber, that puts more pressure on the bucking lips, combined with the stock rubber 70° hardness the nozzle can not feed. Resulting in jamm.
There are several solutions for the problem. The most simple is keeping the stock barrel because it's not bad
😃

You can also slightly file your new barrel to have a proper placent in the chamber without excess pressure on the bucking. (It's literally less than 1mm)
The ideal solution in my opinion if you choose a bucking which is softer or slightly thinner on the front.
My personal solution was installing a 50° silverback MDR rubber (not to confuse with silverback SRS rubber) this softer rubber let me press the inner barrel slightly furter in the chamber, close the shells and preventing feeding issues. In the current external temperature I expect it perform better than the stock rubber too. This rubber should be available at distributors afaik.
 

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Interesting. I hadn't figured that it was the alignment grooves that were causing that issue, interesting that it appears to be the lynchpin in the feeding issues whereas I would have figured that would be caused by sloppy tolerances on a smaller OD barrel. Learn something new every day
 

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Sounds like the stock hop is... Not great. The nub angles when you turn up the hop giving you hooks, so you need to go over 1 tick, then back down.

Assuming a MAXX or similar hop will be out before too long with support for barrels that have normal C clip locations and a TDC nub that doesn't wobble (I assume it can be fixed with shims, but it's a bad initial look).

And the working motor is the warhead basic, not the fancier ones. The basic has a much simpler controller from what people have said, which can handle the active break. Also the T238s or whatever that brushes motor is called is apparently compatible?
 

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Discussion Starter · #111 ·
The gameplay videos I saw weren't 100% indicative of anything that would present a major problem but......yeah........the hop is the living, breathing, farting heart of any replica so I'm hoping that, at least, can be remedied. The active braking compatibilities will, I guess, be solved when Perun or GATE (or someone else) releases a specific MOSFET because let's be honest......whilst swapping boards out is extremely quick there is a certain amount of missing functionality which might well turn people off paying the best part of £600 for an AEG.

Then again, I am a notorious tightwad so I may be entirely wrong ^^
 

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It's definitely a more than a little disconcerting that the hop is less then stellar. For all the hype I see around the SRS I figured Silverback would have knocked the hopup out of the park. It's also not hard to follow the logic that if something so integral to the precision characteristics of the gun was not fully thought through, what other specialized components have similar oversights?

I'd be interested to see if anyone gets around to making a hopup for this thing in the first place. Seems like an excessively niche market to design a hopup for a one-off, proprietary system that costs over $600 out the door. But I hope I'm wrong.

there is a certain amount of missing functionality which might well turn people off paying the best part of £600 for an AEG.
If I'm being brutally honest you are very correct. Even at half that asking price I would expect an ETU, and you can even find some programmable options for less than that. $600 is understandable for a very specialized replica: at a certain point you stop paying for performance and start paying for the opportunity cost of a unique platform. That's not to say that said platform at that price range shouldn't have competitive performance.
 

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That shimming does sound pretty bad. It’s not high pitched, so the bevel/pinion is probably fine. My bet is that it’s shimmed so the spur and bevel, bevel and sector are actually too close to each and are rubbing together/too tight all around. Actually I’d kinda expect that kind of mistake—the factory isn’t good at shimming this mechbox yet. The worry would be that the gears don’t actually have enough room to be shimmed properly, forcing you to modify or use very specific gearsets in order to have enough room to shim. Actually, another bad possibility would be they placed the bushing holes in the wrong places—that would definitely do it.

Actually, the receiver and handguard issues bother me more personally than the gear crap (Assuming it’s just bad shimming). I can probably fix the gears, the handguard and receiver I can’t really fix.
 

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The hand guard can be fixed just by making a 3D printed spacer.
 

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Wrap some masking tape around the outer barrel until the hand guard fits nicely over it.
 

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I figured that a lot of 1st generation woes are going to be present with this initial run. This is not only the AEG that Silverback has made, but it's also the first run of a completely novel gearbox design.

On the other hand I still kind of expected better fit-and-finish for a $600 gun, between the receiver wobble, and the gearbox shimming.
 

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Discussion Starter · #120 ·
I was, obviously, a huge fan for a significant amount of time but given the flaws we've seen, I'm increasingly moving away from the MDR-X. Fit and finish, some issues with the electronics (at least, according to reports on FB), and of course, the shimming. I still want a long-range AEG/DMR but increasingly, I'm looking towards an M15 platform simply because of the massive availability of parts and refined problem solving that has been developed over the last 20 years or so ^^
 
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