"...assume that it's an 03 barrel..." Where is the rear sight? Like tiriaq says, an 03A3 barrel has no rear sight base. The rear sight is on the receiver. An '03 barrel will have a place to install...
Type: Posts; User: Sunray; Excluded Forums: Milsurp Knowledge Libraries (READ ONLY)
"...assume that it's an 03 barrel..." Where is the rear sight? Like tiriaq says, an 03A3 barrel has no rear sight base. The rear sight is on the receiver. An '03 barrel will have a place to install...