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Old 02-03-2011, 7:35 AM
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Airrixd Airrixd is offline
Join Date: Nov 2010
Location: san francisco
Posts: 201
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"Are castle nuts all made the same? What about the buffer inside of the tube? Are the inner diameters the same for commercial and mil spec. I ask because I ordered a complete stock assembly but the buffer tube was commercial and didn't retain the detent thing for the buffer while being able to connect the upper to the lower. So I ordered a mil spec buffer tube seperatly. Can I use all of the rest of the parts that came with the commercial tube in the milspec tube?"

I was wondering the same thing. Are the stock components (spring, castle nut, etc.) interchangeable between Mil and commercial tube?
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