There are active NSN's on them, so a unit could order them and issue them, but I don't know how many do.
1095-01-581-9100 Knife, Combat
OVERALL LENGTH: 9.250 INCHES NOMINAL
UNPACKAGED UNIT WEIGHT: 0.380 POUNDS
PART NAME ASSIGNED BY CONTROLLING AGENCY: FULL SIZE USMC KA-BAR, STRAIGHT EDGE
SPECIAL FEATURES: BLADE LENGTH:7.000 IN.; SHAPE; CLIP; EDGE ANGLE; 20.0 DEG.; STEEL; 1095 CRO-VAN; HANDLE STACKED LEATHER; MOLLE COMPATIBLE SHEATH
MATERIAL: CARBON
Couldn't tell you what the "MOLLE Compatible Sheath" is, although a couple other models specify glass filled nylon sheath, while this one doesn't.