albersondh Posted July 15, 2018 Report Share Posted July 15, 2018 On assembly the barrel nut broke at 50lb/ft, so that sucks. I emailed PSA because they don't list this as an available service part. Im hoping they have some spares and will sell me one. I like the nut because its very low profile and doesn't require gas tube alignment. If PSA wont sell me a spare Ill be looking for an alternative that will work with my upper, barrel, and hand guards. Assuming PSA gives a negative response, is the barrel nut thread, diameter, ext common? Or is there any other nuts known to work with this upper and hand guard? Thanks. Quote Link to comment Share on other sites More sharing options...
albersondh Posted July 22, 2018 Author Report Share Posted July 22, 2018 For reference, a suitable replacement nut: This one calls for 45ft/lbs. The PSA stock nut is 6061, this JL nut is 7075. Quote Link to comment Share on other sites More sharing options...
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