The 19-year-old defender, son of former Scotland international Paul, has moved to The Shay for a month.
McStay is yet to break into the first team at Elland Road, but is capped at Republic of Ireland U-21 level.
Henry Goes To Halifax
The 19-year-old defender, son of former Scotland international Paul, has moved to The Shay for a month.
McStay is yet to break into the first team at Elland Road, but is capped at Republic of Ireland U-21 level.