ZRO Delta 16in 223 Wylde AR15 Complete Upper with 12in Rail

ZRO Delta’s complete upper receiver assemblies include everything you need to complete your lower receiver build. Simply slap on your lower and head out to the range! Features a 16 inch free-float barrel chambered in .223 Wylde with a 1/8 twist and has a 12 inch M-LOK handguard.