Buffer tube length for thornton customs cheek rest

[AssGasOrBrass]

I am running a thornton customs cheek rest with a carbine length (6 Pos mil spec) on my ar pistol. I am a big guy and find the length to be a little short. The longer buffer tubes I have found that work with this system are from KAK. Can anyone suggest a similar product or offer input on the KAK tubes?


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[rero360]

I'm using a VLTOR A5 buffer tube with mine, works great, feels like its somewhere around a carbine buffer tube with the stock one click out, still slightly too short for my preferences but definitely doable and a lot better than the Phase 5 pistol buffer tube I had on before.

[AssGasOrBrass]

I spent some time in the KAK website. Their super sig tube is 8.5" long and they have optional length extenders.... Sounds like the way to go.


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[TOMTOM]

I have the KAK tube with the thordsen pistol kit. The KAK receiver extension is about 2-1/4" longer than a standard carbine receiver extension, making the LOP equal to about a CTR in the second click out. IMO this is a perfect length of pull for an AR pistol.



http://i737.photobucket.com/albums/xx14/TD236/43601e4ab3edd9820cc96817107a7117_zps4vvdtydt.jpg

http://i737.photobucket.com/albums/xx14/TD236/8b449a23-0cb1-47b5-9e29-ab315ecd4ec3_zpst6558hyn.jpg

[AssGasOrBrass]

I have the KAK tube with the thordsen pistol kit. The KAK receiver extension is about 2-1/4" longer than a standard carbine receiver extension, making the LOP equal to about a CTR in the second click out. IMO this is a perfect length of pull for an AR pistol.



http://i737.photobucket.com/albums/xx14/TD236/43601e4ab3edd9820cc96817107a7117_zps4vvdtydt.jpg

http://i737.photobucket.com/albums/xx14/TD236/8b449a23-0cb1-47b5-9e29-ab315ecd4ec3_zpst6558hyn.jpg

Thanks for the info and pics. Very helpful. Is the the KAK sig or super sig tube?

Would you have space to run a QD end plate ? Looks like yes...


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[LastRites]

The pictured tube is KAK 1st generation that does not use a castle nut. What you want is the KAK Super Tube that uses a castle nut and you should be able to use a QD end plate with no issue.

[TOMTOM]

The pictured tube is KAK 1st generation that does not use a castle nut. What you want is the KAK Super Tube that uses a castle nut and you should be able to use a QD end plate with no issue.

Not exactly. It is the Sig SB15 tube, not the 1st generation.

Its different than the Super Sig tube as that one uses a castle nut while this one is just a screw in.

The difference between the 1st gen and the SB15 one that I have is that the 1st gen is the same diameter the entire length of the tube.

Mine has a fatter 'block' for the sig brace at the receiver end.

Here is a link to the one I have:

http://www.kakindustry.com/ar-15-parts/lower-parts/buffer-tubes-and-parts/pistol-buffer-tubes/sig-sb15-pistol-buffer-tube


Yes, you can fit a QD end plate with the tube I have. I've since added one since I took that photo.

Hope this info helps.

[AssGasOrBrass]

Thanks very much for the great info. I am really happy to learn this product is out there... I think it will save me from getting a trust and stamp


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