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Posted: 12/28/2016 12:18:18 AM EDT
[#1]
I did when I got out of the clone game. Replaced with a Geissele Mk 4 I got a deal on. No regrets
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Posted: 12/28/2016 12:28:52 AM EDT
[#2]
Replaced with G MK4. No regrets. Good weight savings.
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Posted: 12/28/2016 2:34:38 AM EDT
[#3]
I have a RIS II on my Block 2-ish duty/patrol rifle and quite frankly I'm tired of the weight. I'm definitely not going to sell it because I read/heard they won't be offering them as a standalone product anymore. It's a solid rail but I'm not a fan of the weight. In 2017 I'll be looking for an alternative rail. I'm liking the Bootleg Inc picmod rail.
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Posted: 12/28/2016 1:06:40 PM EDT
[#4]
No way CQBR for life. Don't sell, they are too hard to replace.
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Posted: 12/29/2016 1:36:20 PM EDT
[#6]
I don't miss mine, like my 11.5 SBR better.
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Posted: 12/29/2016 1:57:38 PM EDT
[#7]
Quote HistoryQuoted:
I've got it listed. If it sells, it sells. If not, I guess I was just meant to keep it! 
These two rifles meet most of my 5.56 needs. I'm pretty much scrapping all future build plans and may sell some other rifles. I'm to the point that I'd rather have a couple of rifles and night vision/IR lasers that a bunch of rifles in a safe. Love the paint jobs on those suckers. What type of spray paint did you use? |
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Posted: 12/30/2016 9:12:33 PM EDT
[#8]
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Posted: 12/31/2016 2:59:37 PM EDT
[#9]
Went from this:
 Attached FileTo this:  Attached FileSold my RIS II for quite a profit (the clone guys all want them) and got myself a MK8. Its a much lighter and handier set up now, especially with a CTR stock. |
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Posted: 12/31/2016 3:39:19 PM EDT
[#10]
Heavy as fu*k. With the can on, even heavier. Honestly, I shoot my others more.
But...not sure I will ever part with it 
I take the can off to demonstrate to others what short, short barrels are really like. I have dissuaded many after the first few fireballs are loosed, and the concussion hits them. It's a cool toy. If you can afford to keep it, keep it. |
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Posted: 1/1/2017 4:00:16 PM EDT
[#11]
Quote HistoryQuoted:
Went from this: https://www.AR15.Com/media/mediaFiles/455361/IMG-4448-117427.JPG To this: https://www.AR15.Com/media/mediaFiles/455361/fullsizeoutput-a34-117428.JPG Sold my RIS II for quite a profit (the clone guys all want them) and got myself a MK8. Its a much lighter and handier set up now, especially with a CTR stock. Could you post a pic of the MK8 rail with the suppressor attached? Just curious how close the suppressor comes to the MK8 compared to the RIS II. I was thinking about swapping out the RIS II rail on my MK18 for a MK8 just like you did. Would still keep the RIS II though, just because. |
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Posted: 1/1/2017 8:52:36 PM EDT
[#12]
I haven't sold my MK18 RIS II and don't think I ever will (since they're a pain to get). However, I've wanted to do another build of essentially the same thing with a Geissele MK4 (instead of the MK8 since I'm a fan of the KAC URX 3.1's) in DDC; I've seen pics like below from google and always thought they looked sick. I don't know that you'd really regret selling it if you go with something quality like Geissele.
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Posted: 1/1/2017 9:15:33 PM EDT
[#13]
Quote HistoryQuoted:
I've got it listed. If it sells, it sells. If not, I guess I was just meant to keep it!
These two rifles meet most of my 5.56 needs. I'm pretty much scrapping all future build plans and may sell some other rifles. I'm to the point that I'd rather have a couple of rifles and night vision/IR lasers that a bunch of rifles in a safe. Not like I have many AR's....but I have felt the same way at times... |
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Posted: 1/1/2017 11:24:02 PM EDT
[#14]
Quote HistoryQuoted:
Could you post a pic of the MK8 rail with the suppressor attached? Just curious how close the suppressor comes to the MK8 compared to the RIS II. I was thinking about swapping out the RIS II rail on my MK18 for a MK8 just like you did. Would still keep the RIS II though, just because.  Attached FileWith collar locked:  Attached FileWith collar unlocked:  Attached File |
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Posted: 1/2/2017 10:43:06 AM EDT
[#15]
Thanks for the pics! It appears that the MK8 has just the slightest bit more clearance looking at my Socom mounted on my MK18 but still minimal.
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Posted: 1/9/2017 9:32:48 AM EDT
[#16]
Sold my Block II CQBR that I spent YEARS building last week. Don't regret it. It's a fun rifle, the build is fun, but honestly its heavy and I have no need for a quad rail setup.
Spent the money to build a nice 11.5" upper with a KAC URX 4, Aimpoint T1. Even going so far as to have my tan SOCOM556 can recoated black by surefire for $80 bucks. New upper is lighter and more built to my needs. As far as NVG, best thing I've purchased. Sold an Elcan to fund a PVS-14, then a SU-231 marked optic to help fund the 2nd, then a pistol to help convert those into a Mod3. I'd rather have a good dual NOD setup and one rifle than many rifles. |
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Posted: 1/12/2017 10:03:26 AM EDT
[#17]
Hankered for one for a long time but gave up on it.....
too expensive.....so went with the RIS II route. I'm content.... |
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Posted: 1/13/2017 12:55:10 AM EDT
[#18]
Oh man I'm glad I'm not the only one with this dilemma. MK 18's have cool factor but they are heavy. I've been debating swapping out the fde ris II and throwing it up for sale and slapping a DDC Mk4 on it instead from the new MK18 sitting on my desk. Looking through this thread I think has me convinced to do it. I'll probably switch the gas block to an adjustable while I am at it.
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Posted: 1/14/2017 9:16:02 AM EDT
[#19]
I sold my RISII and replaced it with an SLR 9.7" handguard. Couldn't be happier because of the weight savings. Also, my specwar K interfaces nicely sight the handguard, maybe a 1/8" gap
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Posted: 1/14/2017 2:22:42 PM EDT
[#20]
Quote HistoryQuoted:
I sold my RISII and replaced it with an SLR 9.7" handguard. Couldn't be happier because of the weight savings. Also, my specwar K interfaces nicely sight the handguard, maybe a 1/8" gap Do you have any pics? I'm thinking of dumping my Geissele in favor of the SLR. |
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Posted: 1/14/2017 3:31:22 PM EDT
[#21]
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Posted: 1/14/2017 3:45:06 PM EDT
[#22]
Sold mine and switched to a Geissele MK8 with zero regrets.
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Posted: 1/14/2017 4:09:39 PM EDT
[#23]
Long time ago, wont go back unless I can get a hold of a MK18 FSP. Since those are unobtainium now, I should just sell my DD wrenches.
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Posted: 1/14/2017 5:03:44 PM EDT
[#24]
Quote HistoryQuoted:
Do you have any pics? I'm thinking of dumping my Geissele in favor of the SLR. I sold my MK18 upper with RIS II rail and replaced it with another upper with a 9.7" SLR Ion Lite. Love this set up. Much lighter.  Attached File Attached File Attached File |
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Posted: 1/16/2017 8:52:21 PM EDT
[#25]
My SLR Ion lite on my 10.5 works great!
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Posted: 1/18/2017 4:45:46 PM EDT
[#26]
Quote HistoryQuoted:
Sold mine and switched to a Geissele MK8 with zero regrets. Same. I was able to replace the upper with the set up pictured below and throw some money at other projects. 
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Posted: 1/18/2017 11:32:48 PM EDT
[#27]
Sold a mk18 rail off long ago and tried all the other rails but never liked them as much as the block II. Ended up dumping everything else and going back to the RIS II.
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Posted: 1/19/2017 1:38:12 PM EDT
[#28]
Quoted:
I've been thinking about selling a NIB FDE Mk18 RIS. I'd like to fund some NVGs. Anyone regret selling theirs? Hard to replace but a Geissele Mk8 would be the likely substitute if I felt the need for another 10.5 to go with the CQBR Block 1ish SBR I have. Thoughts? Sold mine. Replaced with Geissele MK8. No ragrats. Lighter, mlok, no unnecessary uncomfortable rails. Upgrayedd |
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Posted: 1/19/2017 6:02:00 PM EDT
[#29]
Holy moly! I had no idea they cost so much.
I hate mine. Going to put it in the EE |
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Posted: 1/21/2017 11:14:33 AM EDT
[#30]
The MK18 with RIS II is perfection. Blasphemers!
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Posted: 1/21/2017 11:52:08 AM EDT
[#31]
I've got a whole DD Mk18 upper and it's one of the smoothest running ARs I have. Not changing anything. I have a "matching" 300BO that is sporting a fortis rail at the moment. May switch it out for a geissel I have in the box. Or, I may build another SBR...
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Posted: 1/21/2017 3:54:31 PM EDT
[#32]
I do appreciate a factory MK18 upper look but I like my new setup. Geissele MK8 for DD RIS II. Magpul SL-K for SOPMOD. Gemtech GMT-556QM for GA 5 Mod 3 (getting Cerakoted) All about the new redistributed balance and 13 ounce of weight shaved off.
The evolution....eotech and pistol grip 
 Attached File Attached File Attached File Attached File Attached FileETA: cleaned up |
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Posted: 1/21/2017 3:58:37 PM EDT
[#33]
See above
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Posted: 1/26/2017 2:14:33 PM EDT
[#34]
I wish DD would make a ~9.5" version of their DDM4 rail which is super light for a railed forearm.
DDM4 10.0" = 11oz Geissele MK8 9.5" = 8.4oz SLR ION LITE 9.7" = 8.8oz I know, every oz matters but I'm not going to loose any sleep over ~2.5oz's and I'm not worried about cloning anything but I would like to stick with a 4 rail forearm for my 5.56 SBR. I also do like the look of little to no gap between the forend and suppressor. |
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Posted: 1/26/2017 4:17:25 PM EDT
[#35]
Are people really paying $600+ for these rails?
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Posted: 1/26/2017 5:51:42 PM EDT
[#36]
Quote HistoryQuoted:
I wish DD would make a ~9.5" version of their DDM4 rail which is super light for a railed forearm. DDM4 10.0" = 11oz Geissele MK8 9.5" = 8.4oz SLR ION LITE 9.7" = 8.8oz I know, every oz matters but I'm not going to loose any sleep over ~2.5oz's and I'm not worried about cloning anything but I would like to stick with a 4 rail forearm for my 5.56 SBR. I also do like the look of little to no gap between the forend and suppressor. Embrace the SLR... 
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Posted: 1/26/2017 6:16:19 PM EDT
[#37]
Quote HistoryQuoted:
Are people really paying $600+ for these rails? Yes! I don't miss mine one bit. |
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Posted: 1/26/2017 7:44:45 PM EDT
[#38]
Quote HistoryQuoted:
Yes! I don't miss mine one bit. Well, mine is going up for sale then! |
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Posted: 1/27/2017 12:10:27 AM EDT
[#39]
Quote HistoryQuoted:
I wish DD would make a ~9.5" version of their DDM4 rail which is super light for a railed forearm. DDM4 10.0" = 11oz Geissele MK8 9.5" = 8.4oz SLR ION LITE 9.7" = 8.8oz I know, every oz matters but I'm not going to loose any sleep over ~2.5oz's and I'm not worried about cloning anything but I would like to stick with a 4 rail forearm for my 5.56 SBR. I also do like the look of little to no gap between the forend and suppressor. I agree. The DDM4 has an excellent slim profile and is very lightweight for a quad rail but it's just a hair too short for a 10.3"/10.5" barrel. I never had a MK18 RIS II but I did have a M4 for a while. The rail is bad ass but the weight and wider dimensions made me look elsewhere. I really like the Geissele MK4 9.5 right now. And prices are ridiculous on them right now. |
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Posted: 2/9/2017 12:33:13 AM EDT
[#40]
I sold mine as well.
I find it hilarious that anyone with one KNOWS they aren't worth $600, but crazy folks are still paying that for them. |
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Posted: 2/9/2017 4:04:21 PM EDT
[#41]
where are they selling for $600?
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Posted: 2/12/2017 1:00:28 PM EDT
[#42]
Quote HistoryQuoted:
Sold a mk18 rail off long ago and tried all the other rails but never liked them as much as the block II. Ended up dumping everything else and going back to the RIS II. This guy is an idiot!!
I think it was a matter of finding a setup I liked with the right accessories like I had on my RIS II.  2017-02-12 11.45.35 by TN, on Flickr
 2017-02-12 11.42.27 by TN, on Flickr
And here was the before; 
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Posted: 2/12/2017 2:36:42 PM EDT
[#43]
Quote HistoryQuoted:
This guy is an idiot!!
I think it was a matter of finding a setup I liked with the right accessories like I had on my RIS II. 2017-02-12 11.45.35 by Tyler Nemes, on Flickr 2017-02-12 11.42.27 by Tyler Nemes, on Flickr It'd be hilarious if you got an account warning for name calling yourself! Very nice stick. |
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Posted: 3/1/2017 4:26:15 PM EDT
[#44]
Y'all are killing me! I'm having problems deciding the same thing. After building an 8.5" .300 BO and a 7.5" pistol with a lighter rail, the MK18 feels like carrying a boat anchor around. What to do, what to do...
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Posted: 3/2/2017 12:14:05 PM EDT
[#45]
Quote HistoryQuoted:
I think it was a matter of finding a setup I liked with the right accessories like I had on my RIS II. This is a big part of the problem with changing your mounting system. When you go from 1913 to MLOK, you'll need to either buy additional bolt on 1913 segments -- so why did you switch to mlok? -- which will add bulk and weight, or find a whole new set of accessories, mounts, or adapters to make your familiar setup work. Until you figure that out, it won't feel right and you might be unhappy with the change. Example: I love the haley thorntail scout mount. I haven't found an mlok mount that works as well. Arisaka's is adequate, it lets my light attach to the mlok slots, but even on the last slot it doesn't push the light out far enough, forcing me to unhappily mount my foregrip (also arisaka, another compromise until bcm makes mlok vfgs) 1 1/2 slots back from where I want it to be. As unsatisfied as I am with my current accessories, I have no desire to return to the RIS or 1913. |
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Posted: 3/2/2017 5:34:17 PM EDT
[#46]
You'll regret it. Save your pennies.
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Posted: 3/3/2017 12:04:32 AM EDT
[#48]
What would be a good price to ask for one? Can I get 600$ for a black one?
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Posted: 3/3/2017 10:28:35 AM EDT
[#49]
The last few I saw were listed at $550 and were gone quick.
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Posted: 3/3/2017 2:23:40 PM EDT
[#50]
Quote HistoryQuoted:
The last few I saw were listed at $550 and were gone quick. thanks mine is as good as gone. |
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