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Posted: 9/7/2022 10:04:46 AM EDT
Does anyone know of a replacement handguard for a LWRC Piston upper other than a Samson Evo ? Preferably Mlok
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Posted: 9/7/2022 4:08:58 PM EDT
[#1]
In for answers.
I had always just ‘assumed’ all LWRC were monolithic. Bump for a pro to, show up. |
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Posted: 9/7/2022 4:32:57 PM EDT
[Last Edit: H4ppyB34r]
[#2]
It also depends on barrel length and piston size. LWRC has some size variations in the barrel profile and piston size
My 8in CIWS 6.8SPC and 10.5in G upper in 5.56 are both heavier profile with a larger gas block/piston diameter than their regular sized piston assemblies, so the Evo handguard I bought will not fit. I have a 9.5in handguard I bought to replace the quadrail on my 10.5in 5.56 Government upper. I can get a picture later Smaller ones that will fit Evo rails  Fat one that will not fit 
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Posted: 9/7/2022 5:05:37 PM EDT
[#3]
Quote HistoryOriginally Posted By H4ppyB34r: It also depends on barrel length and piston size. LWRC has some size variations in the barrel profile and piston size My 8in CIWS 6.8SPC and 10.5in G upper in 5.56 are both heavier profile with a larger gas block/piston diameter than their regular sized piston assemblies, so the Evo handguard I bought will not fit. I have a 9.5in handguard I bought to replace the quadrail on my 10.5in 5.56 Government upper. I can get a picture later Smaller ones that will fit Evo rails https://www.ar15.com/media/mediaFiles/490290/680209288-2517880.jpg Fat one that will not fit https://www.ar15.com/media/mediaFiles/490290/IMG_1268-2517881.jpg  Attached FileThis is a screenshot of the barrel I have. Its a 6.8 spc 14.7 inch barrel. It looks just like the fat gas block you have. |
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Posted: 9/7/2022 5:20:55 PM EDT
[#4]
That's correct, I don't think it will work in your case
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Posted: 9/8/2022 5:02:32 PM EDT
[#5]
So for me learning, which model LWRC used that lower?
I’d just assumed they had always been modular but my assumptions record isn’t great. |
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Posted: 9/20/2022 7:11:22 PM EDT
[#6]
IN for the same question. I have an LWRCI m6 - an older one with the fatter piston (I think). Just bought and tried to fit a Fortis Rev2 rail on it,,,,and it almost fits, but doesn't.
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CT, USA
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Posted: 9/26/2022 10:49:17 PM EDT
[#7]
I have a M6-SL that came stock with the Magpul MOE. What sucks is I have a fixed A2 sight that I can't stand. MOE Isn't super tactical looking but it gets the job done.
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MT, USA
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Posted: 9/28/2022 8:50:30 PM EDT
[#8]
Quote HistoryOriginally Posted By Bassman2: IN for the same question. I have an LWRCI m6 - an older one with the fatter piston (I think). Just bought and tried to fit a Fortis Rev2 rail on it,,,,and it almost fits, but doesn't. Damn, I have the same rifle and just ordered Rev2 13.8" handguard today. What length did you order? Might have to break out the grinder 
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Posted: 9/29/2022 12:00:19 AM EDT
[#9]
Same one..... I punted and bought the samson evolution rail. It fits no grinding required.
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MT, USA
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Posted: 10/1/2022 1:47:36 AM EDT
[#10]
Quote HistoryOriginally Posted By Bassman2: Same one..... I punted and bought the samson evolution rail. It fits no grinding required. Thank you! So, do you like the evolution rail much better than the o.e. lwrc rail and also did you go with the 12.37" rail? Thanks again! |
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Posted: 10/2/2022 8:33:18 PM EDT
[#11]
yes and yes..much lighter
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MT, USA
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Posted: 10/2/2022 9:51:57 PM EDT
[#12]
Quote HistoryOriginally Posted By Bassman2: yes and yes..much lighter Thank you! |
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MT, USA
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Posted: 10/4/2022 12:54:48 AM EDT
[#13]
Yep, you were right. I got it today and as you said it doesn't fit. So, I just ordered the Sampson Evo key mod
Thanks again! |
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Posted: 10/10/2022 3:55:48 PM EDT
[#14]
Well
I ordered the Samson rail also, and it turns out mine has a weird piston and barel nut also. Talked to LWRC, they said this one was a special in between production, the old ones were done, and the new one was still being developed. I'm stuck with this quad rail. If anyone has any interest in either the Samson or the Fortis 9in rails, I have both, new, never mounted  |
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Posted: 10/16/2022 6:39:34 PM EDT
[#15]
I finally got my handguard for my LWRC upper. I when with the Samson Evo. I did have to clearance it a little for the gas block. I think it turned out good.
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MT, USA
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Posted: 12/25/2022 12:13:25 AM EDT
[#16]
I just bought an M6A1 that has the traditional front sight gas block. Where can I find a low profile gas block that is compatible so I can put a longer hand guard on?
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MT, USA
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Posted: 12/30/2022 2:06:07 AM EDT
[#17]
If nobody knows the answer to my previous question, is there another two-piece hand guard that isn’t a quad rail I can swap in place of the LWRC piece? I don’t mind the front sight post, but hate the quad rail. Trying to avoid grinding on the gas block. I also don’t want to have to remove the gas block every time I want to clean the piston.
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MT, USA
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Posted: 10/30/2023 12:38:14 AM EDT
[#18]
Quote HistoryOriginally Posted By hunter1000: Thank you! It fit! Much better than the original rail (lighter & slimmer). |
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