SWITCH™ 556 Rail System - Barrel Nut

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Product Code: 556 SWITCH™ Series
Availability: In Stock
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Extra barrel nut for our SWITCH™ rail system for the 5.56MM.  Having an extra barrel nut allows you to remove our Switch rail from one upper to another in a matter of seconds.  Many have found this to be extremely useful.


  • 4140 heat treated barrel nut (1-7/16 X 16 T.P.I.)
  • 1.6 oz
  • Made in the USA!

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