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Strike Industries Jam Nut for Threaded AR-15 Barrels

ID: 21003 (ACC-SI-Part-JamNut)
Part-Jam Nut
Strike Industries793811763683Part-Jam Nut21003
Strike Industries Jam Nut for Threaded AR-15 Barrels
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Strike Industries


Non-Export ItemShips Inside USA Only
This is an export-restricted item and can only be shipped within the United States. No international delivery for these items.


  • Assists in timing of muzzle device
  • Available in 1/2"-28 TPI (.223/5.56) thread pitch
  • Replacement Jam Nut for Miller Comp
  • Quench Polish Quench (QPQ) process finish
  • Constructed from AISI 1144 steel
The Strike Industries Jam Nut now gives you an easier way to assist in the installation and especially timing of a muzzle device. Thread the Jam Nut onto the barrel followed by the muzzle device. Once you have your muzzle device timed how you want it, turn the Jam Nut until its up against your muzzle device and lock it down. Available in 1/2"-28 TPI (.223/5.56) thread pitch for just about any application. Also a replacement part for the Jam Nut that is included in the Strike Industries Miller Comp.

Manufacturer: Strike Industries


Compatibility: 1/2"-28 TPI (.223/5.56) thread pitch
Material: AISI 1144 steel

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