Home / TIN Coated Parts / TIN Coated AAT Castle Nut TIN Coated AAT Castle Nut$34.99 Out of stock Category: TIN Coated Parts Tags: Castle nut, TIN coated Product ID: 13161 Description Specifications Description TIN coated AAT castle nut. Limited Supply Related products TIN Coated AAT Adjustable Gas Block View Product TIN Coated AAT Trigger Group $79.99 View Product TIN Coated AAT 16″ 9mm barrel $259.99 View Product TIN Coated AAT 7″ 9mm Barrel $199.99 View Product