AR-15/M16 NiB-X® BOLT ASSEMBLY Reviews & Ratings
Mostly Easy Cleaning
There is no one-step solution to preventing carbon build-up at the throat, and WMDs Nib-X is proving no exception for me. A lite application of Snakeoil WEP synthetic extreme temperature range grease prior to firing greatly reduces sticking; otherwise a mil-spec parkerized bolt seems to work as well as untreated Nib-X. If not treated with WEP, Mothers Chrome polish seems to both dissolve trace residual embedded carbon while restoring near new finish; cant really speak to impact on embedded Teflon molecules at metal surface.
This bolt doesn't fit with other carrier
I tried to install this bolt with different bolt carrier, like LWRC, AERO, Colt, FN, and PSA, it didn't fit for all those brands, too tight to be functioned, this bolt looks not 100% mil-spec,


