Answer
Jan 29, 2020 - 10:46 AM
This is available here:
https://monstrumtactical.com/castle-nut-for-ar-15-free-float-rails/
https://monstrumtactical.com/castle-nut-for-ar-15-free-float-rails/
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Jan 29, 2020 - 10:46 AM
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