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AR15.COM
6/25/2022 2:08:57 PM EDT
Have 3 of these now and I love ‘em. Replaced 3 of my SL-Ks.

Thank you Magpul for making them fit tighter! The SL-Ks are a wobbly noisy mess on pretty much every tube made.

You even shaved some weight off with these.

Home run!
7/1/2022 8:48:47 AM EDT
[Last Edit: wombat25][Edited] [#1]
I purchased one too for my UCIW tube. Fits great.

One question. I also purchased the Magpul m-lok QD adapter. Unless I’m missing something obvious, the bolts are way too short. I find it hard to believe two Magpul OEM products are this incompatible. Has anyone else had this problem attempting to add QD to the m-lok slot on their stock? @WH_Magpul

EDIT - Simple fix below. Nothing wrong with the Magpul products.
7/1/2022 8:52:19 AM EDT
[#2]
Quote History
Originally Posted By wombat25:
I purchased one too for my UCIW tube. Fits great.

One question. I also purchased the Magpul m-lok QD adapter. Unless I’m missing something obvious, the bolts are way too short. I find it hard to believe two Magpul OEM products are this incompatible. Has anyone else had this problem attempting to add QD to the m-lok slot on their stock? @WH_Magpul
View Quote


Tbh just buy new bolts. However Ive been buying utg pro qd mounts and they fit great on the SL-K.

Polymer Mlok needs to be a lot thicker. Im betting magpuls QD sling mounts are made.for aluminum mlok in mind.

Iirc the thread pitch is 10-24
7/1/2022 11:46:50 AM EDT
[#3]
Quote History
Originally Posted By wombat25:
I purchased one too for my UCIW tube. Fits great.

One question. I also purchased the Magpul m-lok QD adapter. Unless I’m missing something obvious, the bolts are way too short. I find it hard to believe two Magpul OEM products are this incompatible. Has anyone else had this problem attempting to add QD to the m-lok slot on their stock? @WH_Magpul
View Quote


I haven’t handle a SL-M, but if it’s the same slot spec as the SL-K, then the two M-LOK T-Nuts fit between the two sides of the stock as pictured below.  I had to use a pair of needle nose pliers to hold the T-Nus while I tightened the screws.

Attached File

Attached File

7/1/2022 11:58:41 AM EDT
[Last Edit: Brahmzy][Edited] [#4]
I have all Arisaka MLOK QD hardware and they slipped right in perfectly. Can’t speak for MagPuls MLOK stuff.
7/1/2022 5:38:12 PM EDT
[Last Edit: wombat25][Edited] [#5]
Quote History
Originally Posted By agnisco:


I haven’t handle a SL-M, but if it’s the same slot spec as the SL-K, then the two M-LOK T-Nuts fit between the two sides of the stock as pictured below.  I had to use a pair of needle nose pliers to hold the T-Nus while I tightened the screws.

https://www.ar15.com/media/mediaFiles/133944/74197106-A488-4944-81F1-C7C83E12537C_jpe-2437549.JPG
https://www.ar15.com/media/mediaFiles/133944/753C60BB-AF4B-42CA-8099-A89EAFBDC5AF_jpe-2437550.JPG
View Quote


Whoa. I didn't even think of that. I knew it had to be something obvious. I will check and report back.



EDIT - This worked perfectly. Thanks for the tip! Everything works great now.
7/1/2022 5:41:37 PM EDT
[#6]
Also I lived under a rock and didnt realize these were a thing until I seen this thread.

Neat
7/8/2022 8:28:55 PM EDT
[#7]
Quote History
Originally Posted By wombat25:
I purchased one too for my UCIW tube. Fits great.

One question. I also purchased the Magpul m-lok QD adapter. Unless I’m missing something obvious, the bolts are way too short. I find it hard to believe two Magpul OEM products are this incompatible. Has anyone else had this problem attempting to add QD to the m-lok slot on their stock? @WH_Magpul

EDIT - Simple fix below. Nothing wrong with the Magpul products.
View Quote


Just tried mine on a uciw tube, stock doesn’t lock on the forward most position, does yours?  My stock is hitting the castle nut before it locks into position, castle nut needs to go like one thread forward for stock to lock. I’m using standard end plate and castle nut, maybe the lwrc ones are thinner?
9/4/2022 8:17:24 PM EDT
[#8]
For you that have the LWRC stock, how do the the two stocks compare in size?
9/6/2022 2:09:13 PM EDT
[#9]
Quote History
Originally Posted By blk03shkr:


Just tried mine on a uciw tube, stock doesn’t lock on the forward most position, does yours?  My stock is hitting the castle nut before it locks into position, castle nut needs to go like one thread forward for stock to lock. I’m using standard end plate and castle nut, maybe the lwrc ones are thinner?
View Quote


I had to take a hair off the front of my sl-m stock for it to click in the forward most position
9/6/2022 9:45:13 PM EDT
[Last Edit: blk03shkr][Edited] [#10]
Quote History
Originally Posted By ThatGuyTheCooler:


I had to take a hair off the front of my sl-m stock for it to click in the forward most position
View Quote


I thought about doing that, what did you use a fine file or something?  How did it end up looking?

Edit: just took a file to front of my stock and got it to lock up on most forward position, didn’t have to take much off and plastic still looks clean

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