STNGR Replacement V1 and V2 Barrel Nuts If you’re looking for a replacement or spare barrel nut for your STNGR handguard, you can get exactly what you need here, in 1018 steel, or 6061-T6 Aluminum. Over time, small changes to the internal diameter of the barrel nut, as well as the position of screws and the anti-slide plate has changed. V1 to V2 Transition Dates Handguard If purchased before this date, you have a V1 handguard. If on or after, you have a V2.* 15″ HWK M-Lok Before Sept 5, 2019: V1 Sept 5-Oct 21, 2019: V1 or V2. Check your original barrel nut and anti-slide plate. On or after Oct 22, 2019: V2 13.5″ HWK M-Lok Jan 5, 2020 10″ HWK M-Lok Dec 1, 2019 7″ HWK M-Lok April 24, 2020 15″ RPTR M-Lok Dec 30, 2019 (*limited number of V1 handguards on May 27, 2020) 13.5″ RPTR M-Lok July 7, 2020 10″ RPTR M-Lok Feb 5, 2020 8.25″ RPTR M-Lok June 28, 2021 15″ VYPR M-Lok Nov 21, 2019 13.5″ VYPR M-Lok Feb 19, 2020 10″ VYPR M-Lok March 25, 2020 7″ VYPR M-Lok June 28, 2021 15″ VLCN M-Lok June 18, 2020 12″ VLCN M-Lok V1 10″ VLCN M-Lok V1 All Keymod handguards ALL Keymod handguards are and will remain V1 *Please note that there can be overlap around a switch-over date, so if you purchased a particular handguard soon after its listed date, it is likely that you received a V2 handguard, but you may have received a V1. Check the barrel nut & anti-slide plate that came with your handguard (see further instructions below) to be sure. Please note that these dates may not be applicable to blemished versions of the handguards. Check exact product specifications on blemished models for the barrel nut version.
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