Blake Campbell, Aidan Steinke and Zach McIntyre all scored for the Mils while Jake Spak chipped in with 2 assists.
Berk Berkeliev made 38 saves on 42 shots in the loss.
Eddie Gallagher had 1G 1A to lead the Bruins’ while Randy Cooke made 30 saves to earn his 1st SJHL win.
The Mils’ return to action tonight (Sat) when they host the Notre Dame Hounds at the Horizon Credit Union Center while the Bruins’ entertain the Yorkton Hyundai Terriers on Saturday at Affinity Place.
Other Friday result:
Nipawin Hawks over La Ronge Ice Wolves. 7-1.