2A Armament Builder Series, Aluminum Castle Nut, Anodize Black Finish, For AR15 Rifles

High quality components and precise manufacturing make 2A parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on.

• Mil-Spec size
• Made from USA sourced aluminum
• Weight: .02 oz
• Type III Hard anodize
• Recommended Torque: 25 ft lbs
• Made in Boise, Idaho