What barrels are available either as standard or special order for the Dissipator in Pre-Ban configuration? Is the M-4 Dissipator Bbl available in Pre-Ban configuration? Can the Bushy fold-down front sight be substituted for the conventional front sight on the Dissipator? TIA.
"The M1 Rifle is the greatest battle implement ever devised." General George S. Patton Jr.,US Army