Visitor sews up final Test with six balls to spare, gives perfect going-away gift for Misbah and Younis with first series win in the Caribbean
At the end of a 14-wicket day at Windsor Park, West Indies left needing 297 with nine wickets in hand.
Chase leads defiance before retiring hurt as home side reaches 218/5 at stumps on third day.
West Indies reached 14 without loss in reply Pakistan 376 on second day of the third and final Test on Thursday.
Azhar Ali and Babar Azam scored half-centuries as Pakistan mounted a solid start on a rain-hit day against West Indies.
West Indies will be looking to spoil the international farewells of Pakistan captain Misbah ul Haq and senior batsman Younis Khan.
A career-best 5 for 11 of Gabriel consigns Pakistan to 106-run defeat in second Test.
Yasir Shah took picked up another six-wicket haul as West Indies were left reeling on Day 4.
Azhar Ali century and Misbah make 99 take Pakistan to 393 in first innings before West Indies reached 40-1 at stumps.
An opening stand of 155 between Azhar Ali and Ahmed Shehzad gave Pakistan the upper hand in the second Test with West Indies in Barbados
