458 Socom/450 Bushmaster
Faxon Duty Series .458 SOCOM and .450 Bushmaster barrels are precision-manufactured AR-15 barrels engineered for reliability, durability, and consistent performance in large-bore AR platforms. Manufactured in the USA from 4150 CMV steel using traditional button rifling, each barrel is fully machined and stress relieved in-house, air gauge inspected, and 100% MPI tested. Available in select barrel lengths and configurations, Duty Series large-bore barrels support sporting, professional, and commercial AR-15 applications.
