Torque Spec: 40 ft/lb.
Aircraft grade 7075 aluminum
Requires castle nut and armorers wrench with an open-end castle nut wrench on one end.
Smoke Composites, Castle Nut, Fits AR-15 Rifle
- Brand: Smoke Composites
- Product Code: SC-ULCN
- Availability: In Stock
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$28.99 USD