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Posted: 3/4/2014 8:52:57 PM EDT
I wanted to show you guys a design I am working on and get your feedback.
Basically it is a plastic barrel shroud that mounts to the gun itself, not the barrel. It would mount to the side rail screw locations on top and have a thumbscrew on bottom so that field strip would remain quick and painless. Rails on all 4 sides. What do you guys think? Any suggestions/additions? 
I put together a video for those of you interested in installation. Sorry but shitty video camera. [youtube]https://www.youtube.com/watch?v=jOMxp-aFwd0[/youtube] |
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Posted: 3/4/2014 8:55:08 PM EDT
[#1]
That looks much better than a non SBR'd ps90
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Posted: 3/4/2014 9:09:41 PM EDT
[#2]
Id buy one!
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Posted: 3/4/2014 10:39:48 PM EDT
[#3]
I see that you have that mounted to a Tri-Rail version. What about the original USG PS90?
Will that bolt up to one of those?? |
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Posted: 3/4/2014 10:41:15 PM EDT
[#4]
I see that you have that mounted to a Tri-Rail version. What about the original USG PS90?
Will that bolt up to one of those?? |
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Posted: 3/4/2014 10:42:45 PM EDT
[#5]
Quote HistoryQuoted:
That looks much better than a non SBR'd ps90 FPNI |
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Posted: 3/5/2014 12:27:20 AM EDT
[#6]
Dude that is pretty sweet! Try to find a manufacturer for it make some $$$$$. How did you make it? What type of materials?
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Posted: 3/5/2014 12:53:49 AM EDT
[#7]
Well done! 3-D printed?
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Posted: 3/5/2014 7:39:25 AM EDT
[#8]
good gun,i like it very much,thanks for your sharing.
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Posted: 3/5/2014 7:40:36 AM EDT
[#9]
I have never been a fan of these front rails because of the way most of them attach.
This is an interesting fix. If you worked this out for a regular PS90 (not only the tri-rail), I could see myself maybe buying one of these. Please keep us informed |
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Posted: 3/5/2014 9:10:17 AM EDT
[#10]
I would love to have these manufactured but it is quite an investment. For now I am going to stick to making these one at a time. Yes, it is a "3d print" but not from a shitty desktop printer. These are made using a process called Selective Laser Sinthering (SLS). The material is called Nylon 12 PA, here is a data sheet
http://www.solidconcepts.com/content/pdfs/material-specifications/sls-nylon-12-pa.pdf Currently this will only fit a tri-rail PS90 but if I could get my hands on a USG version I could easily create a version for those as well. |
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Posted: 3/5/2014 2:22:07 PM EDT
[#11]
one could still tap and thread the standard version and make it work yes?
Im me what your asking price is on this. |
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Posted: 3/5/2014 4:31:39 PM EDT
[#12]
Quote HistoryQuoted:
one could still tap and thread the standard version and make it work yes? Im me what your asking price is on this. I don't think it will. And i do not have an "asking price" just yet on these. Just doing some playing and testing the waters for interest. |
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Posted: 3/6/2014 11:31:44 AM EDT
[#13]
Very cool.as long as its not $1,000
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Posted: 3/6/2014 12:27:28 PM EDT
[#14]
What about integrating a light/light recess into the bottom half?
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Posted: 3/6/2014 1:30:20 PM EDT
[#15]
Quote HistoryQuoted:
What about integrating a light/light recess into the bottom half? I have thought about this. Would be very easy to incorporate a light and/or laser into the design and keep it all contained within the housing. |
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Posted: 3/6/2014 11:01:34 PM EDT
[#16]
I like it. One thing I'd like to see it the lower part where it curves down to meet the factory hand stop, reshape it into a vertical grip. Kind of turning the old hand stop into a "k" grip. So go straight back from the lower front rail, until it turns down into and becomes the vertical grip.
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Posted: 3/7/2014 9:51:57 AM EDT
[#17]
Time for another update on this project.
First off a lot of you were asking about weight. I weighed the part and with all hardware and rails it weights exactly 8oz or half a pound. Not bad. In other news I have sold my first prototype. I will be using the funds to have prototype V2 made which I am ordering today. Some slight modifications pictured below. 1. I am adding some material to the upper mounting tabs that will fit into the recesses on the PS90. It fit fine before but this will reduce stress on the material when tightening the screws down. 2. I have fattened up the lower mounting tabs. Made them 1mm thicker and about 15% bigger overall. 3. I added small tabs inside the shroud that will help keep the shroud aligned and prevent any side to side movement. It was pretty solid without them but may help in certain situations if pressure is being applied to the part for whatever reason or impact even. This is designed with a tiny gap but may gently rest on the barrel depending on manufacturing accuracy. Shouldn't be a problem with heat but we shall see. http://www.danhaga.com/MiscImages/V201.jpg http://www.danhaga.com/MiscImages/V202.jpg http://www.danhaga.com/MiscImages/V203.jpg http://www.danhaga.com/MiscImages/V204.jpg |
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Posted: 3/7/2014 1:40:40 PM EDT
[#18]
Are you not getting any cutting of the shroud overlapping the flash hider like that? Please, please keep it free-floating.
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Posted: 3/7/2014 2:28:28 PM EDT
[#19]
Quote HistoryQuoted:
Are you not getting any cutting of the shroud overlapping the flash hider like that? Please, please keep it free-floating. What do you mean by "cutting" of the shroud? |
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Posted: 3/7/2014 2:54:17 PM EDT
[#20]
Hot gasses eroding the foremost plastic.
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Posted: 3/7/2014 3:03:11 PM EDT
[#21]
Quote HistoryQuoted:
Hot gasses eroding the foremost plastic. No problems yet. Awaiting a full auto test/video. |
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Posted: 3/7/2014 10:45:33 PM EDT
[#22]
Quote HistoryQuoted:
No problems yet. Awaiting a full auto test/video. Quote HistoryQuoted:
Quoted:
Hot gasses eroding the foremost plastic. No problems yet. Awaiting a full auto test/video. Interested to see how this will be accomplished (publicized on the internet) with a long barrel PS-90... 
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Posted: 3/10/2014 9:41:08 AM EDT
[#23]
Quote HistoryQuoted:
Interested to see how this will be accomplished (publicized on the internet) with a long barrel PS-90... Quote HistoryQuoted:
Quoted:
Quoted:
Hot gasses eroding the foremost plastic. No problems yet. Awaiting a full auto test/video. Interested to see how this will be accomplished (publicized on the internet) with a long barrel PS-90... A buddy of mine has a gunsmith type business and says he has the licence needed and can convert it, fire for testing and convert it back legally. |
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Posted: 3/10/2014 1:00:53 PM EDT
[#24]
Quote HistoryQuoted: A buddy of mine has a gunsmith type business and says he has the licence needed and can convert it, fire for testing and convert it back legally. He can certainly convert it. As there are no registered auto sears for the P90, I'm not sure how he's going to covert it back. Once it's a machinegun, isn't it always a machinegun? |
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Posted: 3/10/2014 2:26:01 PM EDT
[#25]
Quote HistoryQuoted:
He can certainly convert it. As there are no registered auto sears for the P90, I'm not sure how he's going to covert it back. Once it's a machinegun, isn't it always a machinegun? Quote HistoryQuoted:
Quoted: A buddy of mine has a gunsmith type business and says he has the licence needed and can convert it, fire for testing and convert it back legally. He can certainly convert it. As there are no registered auto sears for the P90, I'm not sure how he's going to covert it back. Once it's a machinegun, isn't it always a machinegun? I think he already has a trigger pack for a converted SBR PS90 so its just a matter of trading trigger packs back and forth. I dunno, the way he explained it sounded legit. If its not it just wont happen. |
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Posted: 3/10/2014 2:38:23 PM EDT
[#26]
that looks really good.
may have to consider getting a ps90 |
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Posted: 3/18/2014 11:40:04 AM EDT
[#27]
Second version of the prototype showed up today with the above displayed changes. All great improvements and still fits great.
One of the the things that this barrel shroud adds which I haven't really talked about is another grip option. The shape of the shroud adds a forward grip position about 3.5" in front of the factory grip. It's a comfortable grip which I believe will improve stability/accuracy while also feeling more like other rifles you are used to. I made some comparison images. Lemme know what you think. http://www.danhaga.com/MiscImages/PS90grip01.jpg http://www.danhaga.com/MiscImages/PS90grip02.jpg |
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Posted: 3/18/2014 4:57:34 PM EDT
[#28]
Very nice, and very creative solution to turn the negative of the long barrel into a positive.
I can see that being very popular with the non-SBR P90 crowd! |
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Posted: 3/18/2014 5:32:36 PM EDT
[#29]
If it ever got designed to fit on a regular PS90 (not the tri rail version), and you sold it at a good price - I know I would buy one. I really like that much much more than I thought I would. I know I am repeating myself, but you have a great idea there
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Posted: 3/18/2014 8:27:22 PM EDT
[#30]
Quote HistoryQuoted:
If it ever got designed to fit on a regular PS90 (not the tri rail version), and you sold it at a good price - I know I would buy one. I really like that much much more than I thought I would. I know I am repeating myself, but you have a great idea there I would be in for one as well. |
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Posted: 3/20/2014 10:08:26 AM EDT
[#31]
For those of you that are following this project you can now follow it and some of my other cool ideas on facebook and google+. And before the mods flip out these are simply design/innovation pages. No sales/profit.
Facebook: https://www.facebook.com/DanHagaDesigns Google+: https://plus.google.com/u/0/b/114592630671025025517/114592630671025025517/ |
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Posted: 3/20/2014 5:08:39 PM EDT
[#32]
My first look at this...I am surprised to say...dang that looks good!
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Posted: 3/21/2014 9:30:06 AM EDT
[#33]
Should have rails on the inside so that a light and laser could be mounted on the inside. Put the laser a lot closer to the bore.
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Posted: 3/22/2014 2:54:27 PM EDT
[#34]
That looks very well thought out and I like your XM8 kit designed for the SL8 on your Facebook.
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Posted: 3/24/2014 10:36:00 AM EDT
[#35]
I started working in a PS90 cheek riser this weekend as well. Have a look and lemme know what you think.
http://www.danhaga.com/MiscImages/CheekProto03.jpg http://www.danhaga.com/MiscImages/CheekProto04.jpg http://www.danhaga.com/MiscImages/CheekProto05.jpg http://www.danhaga.com/MiscImages/CheekProto08.jpg |
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Posted: 3/24/2014 4:00:31 PM EDT
[#36]
You need to set up a web page & a LLC, & start selling these.
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Posted: 3/26/2014 4:26:35 PM EDT
[#37]
Sir, you are on to something big.
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Posted: 3/29/2014 10:18:21 PM EDT
[#38]
An update on the barrel shroud. So far the only real concern that most people have voiced is that the slots in the barrel are located beneath my shroud. May cause issues with heat/flame on the shroud or dirt under the shroud.
I put together a shorter variant that solves this problem. I don't think it looks AS good but it is more practical I suppose. In the process of shortening the shroud the bottom rail had to get smaller. This made me think about that lil bottom rail. Is it really necessary? What if I just removed it and smoothed the area out and added some features to make that area better suited as a forward grip (see image). Thoughts? http://www.danhaga.com/MiscImages/LongVsShort.jpg http://www.danhaga.com/MiscImages/lowergrip01.jpg http://www.danhaga.com/MiscImages/lowergrip02.jpg http://www.danhaga.com/MiscImages/lowergrip03.jpg |
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Posted: 3/30/2014 10:03:46 AM EDT
[#39]
That is pretty cool and a great idea for the PS90. You offer a lot of extra options for the carbine-ability to add vertical grip, longer length for those who want more control at the front of their rifle and more. If I didn't want a PS90 before, I do now. Keep up the good work and get these out to us.
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Posted: 3/30/2014 10:11:41 AM EDT
[#40]
ITs hard to tell. I think some people might want to attach a forward grip on that bottom rail. So, they might want that rail.
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Posted: 3/30/2014 12:53:23 PM EDT
[#41]
I just placed an order for the short/lower grip version as well as the 1st cheek riser. Coming Soon! :)
http://www.danhaga.com/MiscImages/lowergrip04.jpg |
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Posted: 3/31/2014 10:16:33 AM EDT
[#42]
I like the new, shorter, look.
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Posted: 4/2/2014 12:48:39 PM EDT
[#43]
I was thinking something like this...............................
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Posted: 4/2/2014 1:40:25 PM EDT
[#44]
Spooky - would you happen to be in TX? I could let you measure my USG version PS90. It would be fantastic to get one of these on a PS90 that wasn't a factory trirail.
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Posted: 4/2/2014 3:28:31 PM EDT
[#45]
Quote HistoryQuoted:
Spooky - would you happen to be in TX? I could let you measure my USG version PS90. It would be fantastic to get one of these on a PS90 that wasn't a factory trirail. I am in Maryland. Trying to track one down. |
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Posted: 4/2/2014 5:04:04 PM EDT
[#46]
And a short version, like for an SBR or post sample.........................................
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Posted: 4/2/2014 8:50:30 PM EDT
[#47]
Quote HistoryQuoted:
And a short version, like for an SBR or post sample......................................... http://imageshack.com/a/img837/9029/zv56.jpg Looking at that just makes me want to design a handgun mount under the barrel. :) |
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Posted: 4/2/2014 11:00:38 PM EDT
[#48]
Quote HistoryQuoted: Looking at that just makes me want to design a handgun mount under the barrel. :) For a Glock? Or would that be a grenade launcher? 
With VFGs these days, I have thought the fastest transition from rifle to pistol would be to have the pistol already there, and zeroed to the rifle's scope. Could you make a pistol mount (clips to the pistol's forward rail) that would be zeroable? |
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Posted: 4/2/2014 11:09:39 PM EDT
[#49]
Every PS90 I pick up makes me want a vertical right where the hand stop is. With your extension, it just naturally laid out in my head to place the grip in that fashion. I'd shape it a bit more like a Magpul vert grip, possibly adding a removable section to the grips front for a tape switch to integrate for a light or laser on the top rail.
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Posted: 4/3/2014 11:29:43 PM EDT
[#50]
do want cheek riser.
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