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Discussion Starter · #1 ·
I've seen some questions about length of pull on xcr's, so I thought I'd measure mine to help some people out.

My xcr has the folding/collapsible adaptor, a vltor 5 position tube, and a magpul ctr stock.

Depending on where you measure to on the butt of the ctr, the lop fully closed is ~12.6-13" and lop fully opened is ~16-16.4".

 

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Magik,

Where are you measuring from for the LOP? The Trigger to the back of the stock? I am waiting to see the new MagPul UBR but it tells you it's LOP is only 8" to 11.3". Even with armour, I think this is going to be way short for me as I measured my LOP to be 15" from the inside of the elbow to the last joint on the trigger finger? I guess we will have to wait and see.
 

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Magpul states that their LOP on the CTR stock ranges from 7.75" to 11.05". I'm guessing they couldn't have allowed for the folding stock adapter, and interestingly the new up-coming UBR stock is listed as 8" to 11.3" so it should be a little longer LOP than the CTR.

This makes me feel better as I measure my arm's LOP at 15" and was worried the UBR wouldn't have sufficient adjustment when not shooting with armour.

Apparently the new UBR stock looks a little different from the photo on their web site, and has been made stronger. Looks good to me! :)
 

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Hey Majic, Does the stock still fold? Now that you have had a chance to use it, what DIFFERENT would you have did? Thanks ??? ???
 

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Discussion Starter · #6 ·
sure the stock folds! I really like it and can't see doing anything different other than maybe adding one of magpul's cheek piece risers for the stock if I was using a magnified optic-depending on the mount. But I like my current setup and don't think I'd change anything.
 

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Just how tall are some of you guys? :eek:

I find the factory folder to be just about ideal in terms of LOP. Some times I want something shorter so when using the folding collapsing adapter, I cut 5/8" off the buffer tube threads to bring the stock in closer.
 

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Discussion Starter · #8 ·
Ld, I'm 6'3 with slightly longer than normal arms... doesn't matter too much, I like a somewhat short stock for most shooting positions anyway...
 

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Hey Majic, What did you have to buy to do the install, and how much did it put you back? Looks Good... >:D
 

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Discussion Starter · #10 ·
I got the rifle with the folding m4 adaptor and no stock, so all I needed was a milspec tube and ctr. the ctr is ~110 and the tube was 40-50 I think...
 

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You cannot equate the LOP of an AR to the LOP of an XCR. Even without a stock attached the distance from the trigger to the end of the lower receiver is a lot longer on an XCR than an AR.

MadDog
 
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