Spring pin, component of the barrel extention assembly p/n: 42009, used in conjunction with the buffer interlock spring p/n: 402074. H9d/socom logistics help desk: cml (859) 293-3114: dsn 745-3114: toll free 888-745-3114. Email: logisticshelpdesk@sofsa.Mil.
A tubular item, so formed as to provide a spring action against the inside wall of a hole when driven into abutting pieces to position and hold them in place.
NSN 6105-01-430-5401
NSN 6610-01-073-4829
NSN 6220-01-432-2831
NSN 5960-01-203-9814
NSN 5960-01-331-3817
NSN 5835-01-106-1456
NSN 5965-00-834-6298
NSN 5965-00-422-5415
NSN 6320-01-029-4220
NSN 5998-01-035-2860
NSN 5895-00-799-3221
NSN 5990-01-188-7309