Loading part data
Fits These Platforms
Similar Parts
Generic / Mil-Spec
Standard Mil-Spec AR-15 Castle Nut
Castle Nut$3.95
Mil-Spec
Standard Castle Nut
Castle Nut$3.64
Magpul
Magpul Mil-Spec Steel Castle Nut
Castle Nut$4.95
ZRODelta
ZRODelta Mil-Spec Castle Nut, Black, Small, 7062-0003-1370
Castle Nut$2.80
XTS
XTS Castle Nut, Black CN
Castle Nut$4.99
Luth-AR
Luth-AR Lock Ring/Castle Nut, Carbine, MBA-3 & 4 Car Buff Kits Only, Black, CS-02
Castle Nut$4.99