Larue R.A.T. stock fitment?

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I'm going back and forth with a rep at Larue and he's telling me their stocks, namely the R.A.T. stock will not fit the 15-22, even though it's mil spec. Has anyone tried any of their stocks on their MP15-22? Or is the rep correct that our rifle truly is commercial spec?
 
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HR Arms is correct. It is not a Mil Spec as it is a one piece moulded plastic receiver extension, not a screw in machined metal receiver extension but it has dimensions similar to the Mil Spec receiver extensions and it takes Mil Spec stocks.

KBK
 
He was correct. It is not Mil-Spec, but Mil-Spec dimensioned.
So you are saying that R.A.T. stock will not fit on a 15-22? The Larue rep said the 15-22 had a commercial spec buffer tube and that their mil-spec stock would not fit... and you agree with that? What is special about the R.A.T. stock that keeps it from working on a 15-22, when all other mil-spec I've heard of fit?
 
HR Arms is correct. It is not a Mil Spec as it is a one piece moulded plastic receiver extension, not a screw in machined metal receiver extension but it has dimensions similar to the Mil Spec receiver extensions and it takes Mil Spec stocks.

KBK

You folks are confusing me. How can HR Arms be correct, when he states the Larue rep is correct in stating the 15-22 is commercial spec and that a mil-spec stock will not work? You just stated the 15-22 takes mil-spec stocks but you are agreeing with HR Arms & the Larue rep.

Of course the 15-22 buffer tube is molded one piece, and has no springs & weights, but that is not what was asked by the OP. He is asking is the Larue rep correct in stating the 15-22 is commercial spec and is he correct in stating a mil-spec stock wont fit the 15-22? You two are agreeing with Larue and I just don't understand how.
 
He was correct. It is not Mil-Spec, but Mil-Spec dimensioned.

This is the correct answer. True Mil-Spec would be a screwed-in buffer tube. For our purposes, that doesn't matter. The tube dimensions are Mil-Spec and that's all that matters.
 
This is the correct answer. True Mil-Spec would be a screwed-in buffer tube. For our purposes, that doesn't matter. The tube dimensions are Mil-Spec and that's all that matters.

I'm confused on how that is the correct answer. HR Arms' answer is that the stock will not work. The OP was told by Larue that the 15-22 was commercial specs. That is not true. Larue also stated the mil-spec stock would not fit on a 15-22. That also is not true. HR Arms stated the Larue rep was correct. You agree with him?

The Op was not getting into the differences between an AR buffer tube & the 15-22 tube. He just wanted to know if the Larue rep was correct. I still say the rep was wrong. The OP wishes to use a R.A.T. stock on a 15-22 and I see no reason why it wouldn't work.
 
Right or wrong I'm just surprised you got an answer out of LaRue. I have tried emailing them on several occasions and never had a response.
As far as I am aware the tube is Mil Spec so should take ANY Mil spec stock.
 
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Wright or wrong I'm just surprised you got an answer out of LaRue. I have tried emailing them on several occasions and never had a response.
As far as I am aware the tube is Mil Spec so should take ANY Mil spec stock.

I hope we can answer the OP's question and not get hung up on the 15-22 not being a "true" mil-spec buffer tube. The OP simply wants to know if Larue is correct. If Larue is correct, he can't use the R.A.T. stock. If Larue is wrong... he can.
 
The 15-22 has mil-spec dimensions just not mil-spec material. Mil-spec stocks WILLfit it. How do iI know? I took the stock off my M&P 15 and replaced it with a mil-spec Magul CTR and put the old stock on my 15-22 because it had the S&W logo on it.

Again the 15-22 is Mil-spec size just not Mil-spec material.
 
I'm confused on how that is the correct answer. HR Arms' answer is that the stock will not work. The OP was told by Larue that the 15-22 was commercial specs. That is not true. Larue also stated the mil-spec stock would not fit on a 15-22. That also is not true. HR Arms stated the Larue rep was correct. You agree with him?

The Op was not getting into the differences between an AR buffer tube & the 15-22 tube. He just wanted to know if the Larue rep was correct. I still say the rep was wrong. The OP wishes to use a R.A.T. stock on a 15-22 and I see no reason why it wouldn't work.

OK, I follow you now. Yea, I think the guy from Larue doesn't know what he is talking about vis a vis the 15-22. Personally, the stuff from Larue tends to be very pricy, especially for the 15-22 market.
 
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Here you go. Fits as well as a Magpul CTR that is normally on this gun.

vfY8XDu.jpg
 

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You folks are confusing me. How can HR Arms be correct, when he states the Larue rep is correct in stating the 15-22 is commercial spec and that a mil-spec stock will not work? You just stated the 15-22 takes mil-spec stocks but you are agreeing with HR Arms & the Larue rep.

Of course the 15-22 buffer tube is molded one piece, and has no springs & weights, but that is not what was asked by the OP. He is asking is the Larue rep correct in stating the 15-22 is commercial spec and is he correct in stating a mil-spec stock wont fit the 15-22? You two are agreeing with Larue and I just don't understand how.

Yeah I can see where we went wrong. I dunno if I misread the OP but I read it as the La Rue guy saying the 15-22 is not mil spec. It isn.t. it is however mil spec COMPATIBLE.

A small technicality on the wording.
Which is what I thought the OP was asking about.
Time for me to read, comprehend then post.
 
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