ACM Magpul UBR Stock (Replica)

CrAzy AziAn · April 5th, 2012, 22:20

So, this is my first review on anything. I hope its somewhat decent. Anyways...

The Backstory
I wanted a UBR stock for my WE 416. (Thank Pimpmygun.com for that) As I wanted something more then the standard LE Carbine stock. Searching alot, finding Magpul PTS versions, which sell for about $150 and the RS about $250. Didn't like the price of either (being the azian I am) and did research on less expensive reps. Came across the ACM one, which people have said have a buffer tube that fits the WE stock threads. (WAHOO) That being the selling point I ordered one from Airsoftpartshop.ca Bigbuzz666 was kind enough to PM me when he had them in stock and about 10 minutes later it was paid for. And shipped later that day. (Awesome guy)

Unboxing
Shipped Xpresspost on Tuesday April 3rd, and arrived at my door today April 5th, I opened the box. First thing, it was wrapped in newpaper. (Not a problem, its a stock, not your grandma's china collection). WHICH WAS A FINISHED CROSSWORD. (You bastard

)

In the box
ACM Magpul UBR stock in Black
GBBR Buffer tube
AEG Buffer tube
Bag of spare screws
Two cheek risers. (Fat and skinny)
Did not come with instructions but thats what Youtube is for

Installation
Follows the same installation as the RS one. The buffer tube screws in perfectly with the stock thread and the molded stop ring stops exactly with the retention button.

The buffer tube is longer then the stock WE one and washers will be required to stop the bolt carrier from getting stuck in the buffer tube!!!

I used 5/16" washers about 10 of them from Home Depot $1.10

Final Summation
If you're looking for a cheaper then real stock, but still think that $150 is a bit much for an airsoft version then the ACM is right up your alley - you cheap mofos

RS = $250
ACM = $60 + $1 in washers

-=ArchAngel=- · April 6th, 2012, 00:24

how does it feel?
hows the finish?
Any wobble?

CrAzy AziAn · April 6th, 2012, 01:01

Sorry :S

No wobble. Its polymer plastic, same material that the WE G36 is made of. Changing positions, the lock is solid. Isn't going to change on me. All the quick detach points for sling mounts are ambidextrous, as well as the little compartment in the stock. Unfortunately I do not have the RS to compare the two.

Rookie Ab · April 6th, 2012, 11:04

I have 3, RS,ACM,and the PTS and that is the same order I rate them in for fit and function.

5kull · April 6th, 2012, 11:07

I have the same stock on my aeg and I love it. Is it as good as the real one, probably not. But it is very well made and I would not hesitate to recommend it to a friend. In fact, one of my friends is an armorer, when he saw mine he purchased one for his 22 rifle and it worked out very well

Drake · April 8th, 2012, 12:26

I have one too, also from Airsoftpartshop.

It's excellent for the price. I got mine in FDE and the color matches my realsteel MIADs better than a genuine non-PTS Magpul CTR (go figure).

For the spacers, the buffer tube on the UBR is exactly the same length as the WE and any RS buffer tube: you need to re-use the plastic/rubber spacer inside the WE's (or buy a spare one). It's in there snugly and you'll have to tap the buffer tube a few times to get it out (or pry it out with a small screwdriver from the rear).

I suppose the washers will do the job, but I don't know if that rubber spacer is supposed to absorb impact (it's that kind of material); using hard metal washers may result in damage in the long run.

Spacer in question:

Aper · April 8th, 2012, 12:34

I agree for the buffer spacer. It's not a coincidence if the spacer is made of hard rubber, and so does the head of the buffer itself.

5kull · April 8th, 2012, 12:53

Quote:

Originally Posted by kaiu

Do you fit a lipo and a mosfet in the ACM one? I am tempted to get one, but not sure if it would fit both a lipo AND a mosfet in the stock T.T.

I'm using a lipo in a peq box and a programmable board.

w1lp33 · April 8th, 2012, 15:08

Depends on the size of the MOSFET. I have a ubr ptw, and I can fit a king arms 11.1 15c 1100mah lipo in with the (mini version) ptw MOSFET... Tight fit, but it works.

CrAzy AziAn · April 8th, 2012, 17:22

Awesome! Thanks Drake.

Merek · May 24th, 2012, 16:21

so i bought the Magpul PTS UBR stock off of Airsoftparts.ca and now i realize it does not come with the buffer tube adapter or whatever you want to call it and the ubr does not go on properly as theres a good inch or so that it slides back until it hits the screw head, or is the pts version of the ubr installed differently on aeg's?

jamex · May 24th, 2012, 16:44

I believe there are 2 separate versions for GBB and AEG for the Magpul PTS UBR. Maybe you got the wrong one?

If you check the first picture in this thread, the buffer tube at the very top is for GBB. The smaller tube and screw below it is for AEG. the tube looking thing on the right is actually not a tube but a different cheekrest you can install. If you got a threaded buffer tube that screws in the like the very top one, thats the GBB version.

Merek · May 24th, 2012, 16:55

the only items in the box where the ones pictured here, no buffer tube of any type gbbr or aeg was included. link: http://www.airsoftparts.ca/store2/in...oducts_id=1833

jamex · May 24th, 2012, 17:33

Quote:

Originally Posted by Merek

the only items in the box where the ones pictured here, no buffer tube of any type gbbr or aeg was included. link: http://www.airsoftparts.ca/store2/in...oducts_id=1833

Hmm, I've got the ACM so I can't say for sure if there's a missing part or not. Try some youtube videos and if that doesn't help or it indeed looks like something is missing, shoot jugglez and email and I'm sure you'll get sorted out.

Merek · May 24th, 2012, 21:07

Yea so apparently the PTS version of the UBR requires an after market Installation Kit...way to go magpul....way to go...for the future anyone looking to get this stock, save the headache, buy the ACM for 60 bucks that comes with a gbbr and aeg buffer tube, and avoid the PTS that magpul in their infinite wisdom decided to sell for 200 bucks and without the buffer tube (making it usless as you cannot attach it properly). I need to go lay down and take an advil.

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April 5th, 2012, 22:20	#1
CrAzy AziAn Trader rating Join Date: Mar 2010 Location: Sudbury, Ontario	ACM Magpul UBR Stock (Replica) So, this is my first review on anything. I hope its somewhat decent. Anyways... The Backstory I wanted a UBR stock for my WE 416. (Thank Pimpmygun.com for that) As I wanted something more then the standard LE Carbine stock. Searching alot, finding Magpul PTS versions, which sell for about $150 and the RS about $250. Didn't like the price of either (being the azian I am) and did research on less expensive reps. Came across the ACM one, which people have said have a buffer tube that fits the WE stock threads. (WAHOO) That being the selling point I ordered one from Airsoftpartshop.ca Bigbuzz666 was kind enough to PM me when he had them in stock and about 10 minutes later it was paid for. And shipped later that day. (Awesome guy) Unboxing Shipped Xpresspost on Tuesday April 3rd, and arrived at my door today April 5th, I opened the box. First thing, it was wrapped in newpaper. (Not a problem, its a stock, not your grandma's china collection). WHICH WAS A FINISHED CROSSWORD. (You bastard ) In the box ACM Magpul UBR stock in Black GBBR Buffer tube AEG Buffer tube Bag of spare screws Two cheek risers. (Fat and skinny) Did not come with instructions but thats what Youtube is for Installation Follows the same installation as the RS one. The buffer tube screws in perfectly with the stock thread and the molded stop ring stops exactly with the retention button. The buffer tube is longer then the stock WE one and washers will be required to stop the bolt carrier from getting stuck in the buffer tube!!! I used 5/16" washers about 10 of them from Home Depot $1.10 Final Summation If you're looking for a cheaper then real stock, but still think that $150 is a bit much for an airsoft version then the ACM is right up your alley - you cheap mofos RS = $250 ACM = $60 + $1 in washers

April 6th, 2012, 11:04	#4
Rookie Ab a.k.a. Kody_1 Trader rating Join Date: Apr 2007 Location: 51° 2′ 42″ N, 114° 3′ 26″ W	I have 3, RS,ACM,and the PTS and that is the same order I rate them in for fit and function. __________________ AKA : Rookie, on a few other boards.

April 8th, 2012, 12:26	#6
Drake E-01 Trader rating Join Date: Dec 2001 Location: Montreal, QC	I have one too, also from Airsoftpartshop. It's excellent for the price. I got mine in FDE and the color matches my realsteel MIADs better than a genuine non-PTS Magpul CTR (go figure). For the spacers, the buffer tube on the UBR is exactly the same length as the WE and any RS buffer tube: you need to re-use the plastic/rubber spacer inside the WE's (or buy a spare one). It's in there snugly and you'll have to tap the buffer tube a few times to get it out (or pry it out with a small screwdriver from the rear). I suppose the washers will do the job, but I don't know if that rubber spacer is supposed to absorb impact (it's that kind of material); using hard metal washers may result in damage in the long run. Spacer in question: __________________

April 6th, 2012, 00:24	#2
-=ArchAngel=- Trader rating Join Date: Jul 2010 Location: Vancouver, BC	how does it feel? hows the finish? Any wobble?

April 6th, 2012, 01:01	#3
CrAzy AziAn Trader rating Join Date: Mar 2010 Location: Sudbury, Ontario	Sorry :S No wobble. Its polymer plastic, same material that the WE G36 is made of. Changing positions, the lock is solid. Isn't going to change on me. All the quick detach points for sling mounts are ambidextrous, as well as the little compartment in the stock. Unfortunately I do not have the RS to compare the two.

April 6th, 2012, 11:07	#5
5kull Trader rating Join Date: Jun 2009	I have the same stock on my aeg and I love it. Is it as good as the real one, probably not. But it is very well made and I would not hesitate to recommend it to a friend. In fact, one of my friends is an armorer, when he saw mine he purchased one for his 22 rifle and it worked out very well

April 8th, 2012, 12:34	#7
Aper E-30 Trader rating Join Date: Jan 2004 Location: Aegiis's Neighbor.	I agree for the buffer spacer. It's not a coincidence if the spacer is made of hard rubber, and so does the head of the buffer itself. __________________ West Coast EOD Supporter. // Bang One, Bang Em All ! // In war, it's not who's right, but who's left.

April 8th, 2012, 15:08	#9
w1lp33 Trader rating Join Date: Sep 2010 Location: Sarnia, Ontario	Depends on the size of the MOSFET. I have a ubr ptw, and I can fit a king arms 11.1 15c 1100mah lipo in with the (mini version) ptw MOSFET... Tight fit, but it works.

April 8th, 2012, 17:22	#10
CrAzy AziAn Trader rating Join Date: Mar 2010 Location: Sudbury, Ontario	Awesome! Thanks Drake.

May 24th, 2012, 16:21	#11
Merek Trader rating Join Date: Jun 2011 Location: London	so i bought the Magpul PTS UBR stock off of Airsoftparts.ca and now i realize it does not come with the buffer tube adapter or whatever you want to call it and the ubr does not go on properly as theres a good inch or so that it slides back until it hits the screw head, or is the pts version of the ubr installed differently on aeg's?

May 24th, 2012, 16:44	#12
jamex Trader rating Join Date: Jan 2012 Location: Burlington, ON	I believe there are 2 separate versions for GBB and AEG for the Magpul PTS UBR. Maybe you got the wrong one? If you check the first picture in this thread, the buffer tube at the very top is for GBB. The smaller tube and screw below it is for AEG. the tube looking thing on the right is actually not a tube but a different cheekrest you can install. If you got a threaded buffer tube that screws in the like the very top one, thats the GBB version. Last edited by jamex; May 24th, 2012 at 16:48..

May 24th, 2012, 16:55	#13
Merek Trader rating Join Date: Jun 2011 Location: London	the only items in the box where the ones pictured here, no buffer tube of any type gbbr or aeg was included. link: http://www.airsoftparts.ca/store2/in...oducts_id=1833 Last edited by Merek; May 24th, 2012 at 17:05..

May 24th, 2012, 21:07	#15
Merek Trader rating Join Date: Jun 2011 Location: London	Yea so apparently the PTS version of the UBR requires an after market Installation Kit...way to go magpul....way to go...for the future anyone looking to get this stock, save the headache, buy the ACM for 60 bucks that comes with a gbbr and aeg buffer tube, and avoid the PTS that magpul in their infinite wisdom decided to sell for 200 bucks and without the buffer tube (making it usless as you cannot attach it properly). I need to go lay down and take an advil.

ACM Magpul UBR Stock (Replica)

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