Saltwater Arms castle nuts are produced from 416R stainless steel and manufactured to Mil-Spec dimensions. They will fit all standard carbine and pistol buffer tubes and secure your carbine and pistol buffer tube to your AR10/AR15 lower receiver.
All Saltwater Arms components are high quality, 100% USA produced and manufactured.
- Manufactured from 416 Stainless Steel
- Notched for Staking
- Weight: 0.6 oz
- 100% Made in America
Dealers: Please contact our sales team at firstname.lastname@example.org for dealer pricing and volume discounts.