ANDERSON AR-15/M4 Barrel Extension Index Dowel Pin

Barrel Extension Index Dowel Pin, machined to USGI Mil-spec standards, for pinning Barrel Extension to Barrel. Compatible accessories see under this article, accessories Specifications: Material: 8620 Carbon steel Heat treat hardened Size: 1/8'' x 3/16'' Every part manufactured is made to Military Specification and standards while also meeting with our own quality standards, passing through vigorous quality inspections through each phase of its journey to you, our customer. 100% AMERICAN MADE. 100% ANDERSON.