Perhaps intended, only simulated available at present.
[_pos nearEntities [["All"], 50], {typeof _x == "weaponholdersimulated"}] call BIS_fnc_conditionalSelect // [2c937200# 164051: dummyweapon.p3d]
[_pos nearEntities [["All"], 50], {typeof _x == "weaponholder"}] call BIS_fnc_conditionalSelect // []
[_pos nearEntities [["All"], 50], {typeof _x == "groundweaponholder"}] call BIS_fnc_conditionalSelect // []