se3388 Posted October 9, 2017 Report Share Posted October 9, 2017 (edited) I was looking over hand guards for my upcoming PSA 10 build and noticed some ads offer a 16 tpi or an 18 tpi barrel nut, which fits the PSA 10 Gen II upper receiver? Thanks for any info. Steve........ Edited October 9, 2017 by se3388 Quote Link to comment Share on other sites More sharing options...
Boot_Scraper Posted October 9, 2017 Report Share Posted October 9, 2017 16 TPI and the "low" rail height. Quote Link to comment Share on other sites More sharing options...
se3388 Posted October 9, 2017 Author Report Share Posted October 9, 2017 Thanks, I had already caught on to the low height thing but couldn't find anything about the tpi. Steve............ Quote Link to comment Share on other sites More sharing options...
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