Advanced Technologies AR-15 Free Float Jam Nut Steel Black A.5.10.1240

Advanced Technology
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Some AR-15 free float hand guard installations, depending on the type of barrel nut used, require the use of a jam nut. Made in the USA, this jam nut is painstakingly manufactured from steel to work perfectly with all Advanced Technologies 8-sided free float hand guards. NOTE: when installing a barrel nut or jam nut, take care not to over-torque it. Use of a torque wrench is recommended.