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Posted: 2/25/2008 8:45:22 PM EDT
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Just received my first CTR mil-spec stock, I installed it on my Colt 4-pos mil-spec tube and every position I lock it in, you can push & pull it a little to the front and to the rear! Is this normal? I know for a fact my tube is Colt mil-spec! It has no wobble like my Colt CAR stock had, but everybody says their CTR locks up "rock solid", it's not that big of deal, other than if it should lock up w/o any movement, which would be nice, but maybe not possible?  Tomorrow, I'll try it on my other Colt mil-spec tubes and see what happens? teamroper |
| Did you make sure to re-engage the friction lock? There are two levers on a CTR. The one inside the open area is what you push to adjust position. The forward lever, where a normal M4-style stock's adjustment lever is, is the friction lock. Every time you adjust you have to push that lever back up in order to really lock it into place. Without the friction lock there's back-and-forth play. |
Yes, it makes it tighter, but still back n forth movement? I'll try it on two other mil-spec tubes tomorrow, but they're all Colt 4 pos? teamroper |
I can also move mine a bit, even when "locked in place." Some people get lucky and have zero movement. Guess you and I aren't that lucky.  The only way that I found that my CTR won't give when shouldering my rifle is to push the stock forward once it clicks into place and THEN lock the stock into place with the friction lock. It's almost like the detent that fits into the holes in the receiver extension is too small, which causes the stock to move forward a bit when shouldering the rifle, even if it has been "locked" into place. And, to tell you the truth, the movement is LESS noticeable when I DON'T use the friction lock!  Go figure.Eh, as long as the stock doesn't wobble all over the place I'm cool with it. |
| This is the topic that has me going back and forth between standard M-4 stock and a CTR. There's absolutely no where near me that I can go to molest a CTR to find out for myself if it's worth doubling the cost of the stock. The only thing I have to go by are posts on here. |
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Your experiance mirrors mine with the CTR and a 6920. An improvement but not much of one over the issued stock IMO. I ended up selling mine and going back to the issued stock. Beware, there are alot Magpul 'KoolAid drinkers' here. Don't believe all the hype. I do like the PMAGs though. |
 I'm not a Kool-Aid drinker of any brand but what you see in my pic was a CTR commercial model on my Mil-spec LMT carbine and to my surprise the fit was solid  The correct Mil-spec model replacement CTR on my same LMT carbine fits the same, solid no movement at all When I first bought my CTR stock from my local dealer he sent me the wrong commercial model which have a bigger inside diameter than my Mil-spec buffer tube of my LMT carbine. I was surprised that the fit was tight and when my dealer sent me the correct Mil-spec CTR model the next day there is no difference in fit, it's still very solid. At first I thought I had some movement but I removed my upper half to test out just the lower and no movement, so I found out I had a little movement between my upper and lower but it's a lot less than the other past ARs I have owned before. There will always be variations in production tolerances but the CTR mechanism solves that by increasing the pressure of the stock body on the buffer tube. My CTR stock is hands down tighter than my factory LMT M4 stock and I consider the original stock better than the average standard M4 stocks, but I would definitely won't go back to a standard stock. |
Where do you get the Magpul Koolaid? The same place you get the Colt flavored? I'm still waiting on the PDR. Yes there is a little bit of movement on the CTR stock, but it does fit a bit tighter than the Vltor Modstock, which fits infinitely better than the regular M4 stock. Another advantage to the CTR is that there is one avalaible to fit commercial buffer tubes. 
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Mine will move just slightly forward and backward when locked. But you have to actually try to move it and there is no wobble, which is a big improvement over the factory stock. Mine is just pushed forward when I lock it and it stays there unless I physically try to pull it backward. |
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Well, I still like it enough to buy another one! It's so much better than the old CAR stock, even if it moves just a little. My SOPMOD moves less, but it does move on all three Colt mil-spec tubes? I really like the cheek weld on the SOPMOD, but it is bulkier than the CTR. I have one more stock I want to replace, I think I'll go with another CTR! When the UBR becomes available, I'll just have to build another AR  teamroper DGK |
Good ole' genuine "COLT"  I may try a Vltor tube? The plays not enough to bother me, other than I thought it would lock up "Rock-Solid"! Either way, the CTR is a very well made stock! teamroper |
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