The Fortis Standard Castle Nut is manufactured from a solid piece of billet aircraft grade aluminum that offers a significant weight reduction to your castle nut. If you’re trying to save ounces, this is a great way, but without sacrificing durability. The castle nut will fit onto mil-spec buffer tubes and quickly upgrade the form and function of your build.
AR Buffer System
FORTIS STANDARD CASTLE NUT
$11.35
FORTIS STANDARD CASTLE NUT
Availability: 84 in stock
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