Founding Fathers Armory is proud to release our brand new Fortress Castle Nut System! Do you ever dread having to stake your castle nut on your next build? Do you worry about it coming loose, or having to remove it in the future? With a set screw, those problems are no longer an issue. Simply tighten the nut, then tighten the set screw and you are good to go.
Features a very robust 4140 Heat Treated Castle Nut with twice the locations for tightening, while reducing weight. The End Plate is crafted from 6061-T6 Aircraft Aluminum, and features a QD Mount point. Anodized Black, Red, Green, or Blue to set your new build apart. And as always, the fit and finish is what you have come to expect from Founding Fathers Armory.
100% Manufactured in Nampa, Idaho USA using American sourced raw materials.
Included:
- 4140 Heat Treated Castle Nut
- 6061-T6 End Plate with QD Mount Point
- #6-32 3/16″ Set Screw
- Allen Key
- Thread Locker
Specs:
- QD Mounting Point for Sling
- 0.8oz Total Assembly Weight
- Mil-Spec Compatible
NOTE: ONLY USE THREAD LOCKER ON SET SCREW! THREAD LOCKER NOT NEEDED ON CASTLE NUT!
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