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It is what it is. - KAK AR-15 Mil-Spec Castle Nut
by
Higgy,
from WI, United States
Written on October 5, 2020
It does the job as you would expect. The thread may have been on the smaller size of spec as there was a little interference when turning it onto the buffer tube, however the tube had been coated and could have been on the high side. Either way it worked exactly as one would expect.
Would Recommend:
Yes
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