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AR15.COM
11/7/2023 7:35:33 PM EDT
Ok, need some help here from those of you that have purchased an SCW Kit.  Would one of you that has purchased one of these kits please let me know the internal depth of the buffer tube from the top edge of where the threads start to bottom of the buffer tube.  Also does the bolt carrier group, when assembled with the spring, plunge all the way down and bottom out in the tube without the gas key hitting the receiver or buffer tube?  I'm building a Colt Commando pistol using the Colt SCW bolt carrier assembly and spring, but I will have to make a buffer tube since no one is selling SCW buffer tubes separately. Thanks in advance.
11/8/2023 1:48:55 AM EDT
[#1]
Originally Posted By walleye1:
Ok, need some help here from those of you that have purchased an SCW Kit.  Would one of you that has purchased one of these kits please let me know the internal depth of the buffer tube from the top edge of where the threads start to bottom of the buffer tube.  Also does the bolt carrier group, when assembled with the spring, plunge all the way down and bottom out in the tube without the gas key hitting the receiver or buffer tube?  I'm building a Colt Commando pistol using the Colt SCW bolt carrier assembly and spring, but I will have to make a buffer tube since no one is selling SCW buffer tubes separately. Thanks in advance.
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I put the SCW on a brand new 6945 (10.3) SBR.  It's wonderful
11/8/2023 8:31:27 PM EDT
[#2]
That's great.  

Do you know or could measure the internal depth of the buffer tube?  Also does the bolt carrier group, when assembled with the spring, plunge all the way down and bottom out in the tube without the gas key hitting the receiver or buffer tube?
11/12/2023 3:15:06 PM EDT
[#3]
The gas key does not contact the tube.
11/12/2023 8:40:49 PM EDT
[#4]
Thank you. That is good information. Could you measure the inside depth of the buffer tube from the top edge to the bottom.  I would be very grateful, its so difficult to this kind of information.

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