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Basic
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Posted: 1/1/2013 6:26:40 AM EST
http://www.andersonrifles.net/index.php/shop-parts/lower-parts/lower-receiver-parts/stripped-lower-7075-t6-223-5-56.html#.UOMN729QXAo

Picked two of these up, cheap, from my local FFL.

Does anyone know if these are mil-spec or commercial buffer tubes?

I'm assuming they are mil-spec, as Anderson doesn't have any commercial buffer tubes on their site (that I can find), but would like some confirmation.
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Posted: 1/1/2013 6:27:42 AM EST
[Last Edit: 1/1/2013 6:27:42 AM EST by Lancelot]
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Posted: 1/1/2013 6:55:26 AM EST
The extension pictured on their site is a mil-spec tube judging from the threads. However, that doesn't mean that's the same one you have. Measure the outer diameter to be sure.

http://www.andersonrifles.net/index.php/shop-parts/lower-parts/buffer-tube-mil-spec-carbine-length.html

BTW: your link is of the lower receiver not the receiver extension.
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Posted: 1/1/2013 7:14:17 AM EST
Originally Posted By warpig8654:
The extension pictured on their site is a mil-spec tube judging from the threads. However, that doesn't mean that's the same one you have. Measure the outer diameter to be sure.

http://www.andersonrifles.net/index.php/shop-parts/lower-parts/buffer-tube-mil-spec-carbine-length.html

BTW: your link is of the lower receiver not the receiver extension.


Right, that's because I have a lower receiver, and not an extension. Are you saying the commercial and mil-spec both use the same threads?
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Posted: 1/1/2013 7:35:51 AM EST
Originally Posted By Always_Learning:
Originally Posted By warpig8654:
The extension pictured on their site is a mil-spec tube judging from the threads. However, that doesn't mean that's the same one you have. Measure the outer diameter to be sure.

http://www.andersonrifles.net/index.php/shop-parts/lower-parts/buffer-tube-mil-spec-carbine-length.html

BTW: your link is of the lower receiver not the receiver extension.


Right, that's because I have a lower receiver, and not an extension. Are you saying the commercial and mil-spec both use the same threads?


Yes, they use the same threads. The difference is with the outer diameter of the extension. Mil-spec has the smaller diameter.
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Posted: 1/1/2013 7:42:55 AM EST
Originally Posted By warpig8654:
Originally Posted By Always_Learning:
Originally Posted By warpig8654:
The extension pictured on their site is a mil-spec tube judging from the threads. However, that doesn't mean that's the same one you have. Measure the outer diameter to be sure.

http://www.andersonrifles.net/index.php/shop-parts/lower-parts/buffer-tube-mil-spec-carbine-length.html

BTW: your link is of the lower receiver not the receiver extension.


Right, that's because I have a lower receiver, and not an extension. Are you saying the commercial and mil-spec both use the same threads?


Yes, they use the same threads. The difference is with the outer diameter of the extension. Mil-spec has the smaller diameter.


Thanks for the education. Since I have neither stock nor buffer tube, which is the preferred? I think I read that mil-spec was better as the threads were rolled onto the tube instead of cut?
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Posted: 1/1/2013 7:46:27 AM EST
Originally Posted By Always_Learning:
Originally Posted By warpig8654:
Originally Posted By Always_Learning:
Originally Posted By warpig8654:
The extension pictured on their site is a mil-spec tube judging from the threads. However, that doesn't mean that's the same one you have. Measure the outer diameter to be sure.

http://www.andersonrifles.net/index.php/shop-parts/lower-parts/buffer-tube-mil-spec-carbine-length.html

BTW: your link is of the lower receiver not the receiver extension.


Right, that's because I have a lower receiver, and not an extension. Are you saying the commercial and mil-spec both use the same threads?


Yes, they use the same threads. The difference is with the outer diameter of the extension. Mil-spec has the smaller diameter.


Thanks for the education. Since I have neither stock nor buffer tube, which is the preferred? I think I read that mil-spec was better as the threads were rolled onto the tube instead of cut?


I personally prefer mil-spec stocks because of their method of manufacture/material used & there are more stock options for mil-spec extensions. Mil-spec threads are indeed rolled & not cut into the diameter like the commercial. Whether or not mil-spec is better is debatable within some circles. I just use what I prefer & haven't run into a problem yet.
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Posted: 1/1/2013 7:54:32 AM EST
Originally Posted By warpig8654:
Originally Posted By Always_Learning:
Originally Posted By warpig8654:
Originally Posted By Always_Learning:
Originally Posted By warpig8654:
The extension pictured on their site is a mil-spec tube judging from the threads. However, that doesn't mean that's the same one you have. Measure the outer diameter to be sure.

http://www.andersonrifles.net/index.php/shop-parts/lower-parts/buffer-tube-mil-spec-carbine-length.html

BTW: your link is of the lower receiver not the receiver extension.


Right, that's because I have a lower receiver, and not an extension. Are you saying the commercial and mil-spec both use the same threads?


Yes, they use the same threads. The difference is with the outer diameter of the extension. Mil-spec has the smaller diameter.


Thanks for the education. Since I have neither stock nor buffer tube, which is the preferred? I think I read that mil-spec was better as the threads were rolled onto the tube instead of cut?


I personally prefer mil-spec stocks because of their method of manufacture/material used & there are more stock options for mil-spec extensions. Mil-spec threads are indeed rolled & not cut into the diameter like the commercial. Whether or not mil-spec is better is debatable within some circles. I just use what I prefer & haven't run into a problem yet.


Again, thanks for all the info. HNY to you!
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