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Posted: 12/26/2016 9:21:56 AM EDT
[#1]
Just installed a carbine length SA Piston Kit under a Samson MFG Evolution Series 7. Fit close, but easily.
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Posted: 12/26/2016 3:29:52 PM EDT
[#2]
Fortis Switch with clamp-on & Fortis Night Rail with set screw fit no problem.
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Posted: 12/26/2016 10:46:11 PM EDT
[#3]
BCM KMR fits well under .625 kit, on the .750 the screws need to be slightly dremeled as they barely touch the handguard. Clearance on top of the gas block is tight, but not touching by any means.
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Posted: 12/26/2016 10:52:41 PM EDT
[#4]
I've used the aero precision FF handguards without issue.
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Posted: 12/27/2016 5:57:07 AM EDT
[#5]
Doesn't fit under ALG EMR V3, but works just fine with Geissele MK8
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Posted: 12/29/2016 3:19:02 PM EDT
[#6]
Works fine with YHM SLR keymod and UTG pro slim keymod handguards.
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Posted: 12/29/2016 3:47:18 PM EDT
[#7]
Mega MKM here. Fit is good.
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Posted: 1/6/2017 10:34:24 PM EDT
[#8]
Used UTG Pro.
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Posted: 1/7/2017 9:13:58 AM EDT
[#9]
Geissele mk4 and noveske nsr here, Its going to fit in nearly everything that has an upper rail opening of about greater than or equal to ~.44in
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Posted: 1/7/2017 10:11:22 AM EDT
[#10]
KMR works with .75 gas block with set screws.
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Posted: 1/7/2017 2:03:18 PM EDT
[#11]
SilentBob Do you have the Aero M4E1 upper?
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Posted: 1/8/2017 12:45:10 AM EDT
[#12]
Quote HistoryQuoted:
SilentBob Do you have the Aero M4E1 upper? two in fact; one with a 12" and other with a 15". |
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Posted: 1/8/2017 6:51:25 PM EDT
[#13]
Quote HistoryQuoted:
two in fact; one with a 12" and other with a 15". No issues with the SupArms piston rod and the integrated barrel but? I want to add the kit to my 15" M4E1 setup. |
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Posted: 1/9/2017 1:38:02 AM EDT
[#14]
Quote HistoryQuoted:
No issues with the SupArms piston rod and the integrated barrel but? I want to add the kit to my 15" M4E1 setup. Not that I can see. I should say I have a low round count as they are my newest builds, maybe a couple hundred rounds total. |
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Posted: 1/10/2017 8:14:44 PM EDT
[#15]
Quote HistoryQuoted:
Not that I can see. I should say I have a low round count as they are my newest builds, maybe a couple hundred rounds total. Thanks for this info^ I was debating on what I would use my carbine kit for now that I've changed my upper configuration around. Think I might give the M4E1 a shot now that I know it works, thanks! |
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Posted: 1/10/2017 10:56:28 PM EDT
[#16]
Quote HistoryQuoted:
Not that I can see. I should say I have a low round count as they are my newest builds, maybe a couple hundred rounds total. Thanks for the update. Looks like I will be getting the kit then. |
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Posted: 1/15/2017 9:11:01 AM EDT
[#17]
Anybody used one with an SLR hanguard?
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Posted: 2/13/2017 1:17:38 AM EDT
[#18]
I think there is too much material thickness on top for it to fit. IIRC I tried it and wife's impingement setup inherited it.
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Posted: 2/13/2017 3:10:24 PM EDT
[#19]
Clamp on version does not fit under a Noveske NSR.
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Posted: 2/24/2017 10:49:40 PM EDT
[#20]
I've used Centurion C4, Fortis Rev, Aero M4E1, and a tactical solutions quad rail without issues. Tried a DDM4 Lite Rail III and it was a no go. the piston and back end of the block (circular extension out the back wit the piston inside) fit fine, but the block itself would not fit into the channel above the barrel and below the top rail.
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Posted: 4/21/2017 2:38:19 AM EDT
[#21]
2nd the SLR question. Anyone tried it?
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Posted: 4/21/2017 6:43:38 AM EDT
[#22]
I did. There was too much material inside on top for it to clear the gas block. That is why I went with UTG pro. Sent a note to SLR about it as it was not much to make it work. Been a few years - maybe they changed them. Really liked the SLR Handguard but it did not slide over the gas block free and clear.
SLR  Attached FileUTG Pro  Attached FileSuperlative with UTG Pro  Attached FileWife's SLR  Attached FileUTG Pro on spare  Attached File |
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Posted: 4/25/2017 8:37:40 PM EDT
[#23]
Your wifes slr is that the solo series? Also, do you have the clamp on or set screw gas block? Thanks
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Posted: 4/26/2017 8:27:01 AM EDT
[#24]
I believe it is a Solo lite and set screws on wife's. the gas block on my Superlative and Syrac are about the same height and the Syrac is a clamp on. Think the Superlative is set screws.
Main issue was the clamp on bolts and clearance top to bottom for the clamp on. Link to my posting in the archives: LINK  Attached File |
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Posted: 5/3/2017 9:55:27 AM EDT
[#25]
Got bought clamp on and set screw suparms piston and both fit my slr ion ul and ion hybrid. Issue you will have is the ion series and pretty sure same goes for the helix series, the barrel nut is thicker in diameter compared to the solo series barrel nut. Had to use my dremmel to create enough clearance for the op rod. I can post pics anyone is interested.
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Posted: 5/4/2017 3:42:12 PM EDT
[#26]
Clamp on fits under both my DD Omega rail and my CMT UHPR Mod 2 rail. The CMT rail is the tighter fit of the two... enough clearance around it to where I'm not worried about it, but not enough clearance on the bottom to use the MLOK slot directly beneath it.
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Posted: 5/20/2017 9:39:36 PM EDT
[#27]
I used Midwest Industries LWM 10.5". It fits fine as-is and that's how I shot it for a while but I recently decided to do some dremeling on the bottom edge in order to prevent the gas block from touching.
http://imgur.com/a/IOW53 |
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Posted: 5/24/2017 6:07:32 PM EDT
[#28]
I just checked my Fortis Rev II M-LOK rail with a friend's kit that had the set screws on the gas block. It fit without issues. The Fortis mounts on a standard barrel nut. It was snug around the top of the block inside the rail but there was enough room below the block that the clamp version would probably fit also.
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Posted: 8/14/2017 9:37:23 PM EDT
[#29]
Joe Bob Outfitters Matrix Arms will not fit any type of Piston system as far as I can tell. SA is definitely NO GO. Not even close
Seekins NOS will fit over the SA .75" clamp on, but it is touching on bottom near the screws and on top at one side or the other of the piston. It fits, but your handguard will definitely be influencing your point of impact. BCM fits, but only barely. I had to take my rail and gas block off and back on 5 times before everything lined up. I have the .75" clamp on. I had to sand the screw heads on the clamp. Then on top you only have a few thousands to spare between the piston and the sides of the top of the rail. However, the BCM is so rigid you only need a few thousandths and it will never touch. The set screw model would be an easy install as long as you get everything straight. BCM is good on the SA IMHO. Obviously, Samson Evolution fits no problem and Seekins MCSR whatever clears by a mile. Anything using the BAR nut or the enhanced uppers should fit easy. I have SLR's, but have not tried them. Pictures above show they wont work. A friend has an Odin Works O2 rail on an SLR set up. I have not tried it, but eyeballing it next to the SA kit it looks like it should fit. I have not measured the width of the upper channel. The O2 is one wickid looking design. |
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Posted: 9/3/2017 4:46:46 AM EDT
[#30]
Works with a URX4
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Posted: 9/13/2017 10:04:12 PM EDT
[#31]
How about a Midwest Industries G3 ??
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