2A Armament Builder Series, Builders Series, Pistol Length Gas Tube, AR15/AR10 Rifles, Stainless Steel

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
• Stainless Steel
• Rollpin included
• Made in Boise, Idaho