PN 2002-NY: M14 Adaptor, Castle Nut Type, New York Compliant
Machined from fatigue proof steel bar stock. Includes wire EDM internal male splines and rectangular hole for the castle nut. Threads have been machined off to comply with compliant state regulations regarding “No flash suppressor, no muzzle brake”. Castle nut must be TIG welded to the adapter to make it a permanent device.