Turner has been explaining his decision not to offer new deals to out-of-contract players such as captain Matt Richards and striker Marvin Morgan, who topped last season's scoring chart alongside his skipper.
Midfielders Mark Wright and Rob Purdie as well as striker Ryan Doble make up the quintet released from the Greenhous Meadow - coming after a season in which the Shrews survived in the third tier for the first time since 1996.
Turner told the club's official website: "We've had some players who have been with us for several seasons and done extremely well.
"I'm thinking about Mark Wright with his goals from the wide left position and Matt Richards for the part he played, certainly in the promotion year and the number of games he's played this season.
"It is difficult circumstances but it has to be done. If there's going to be changes you have to be a little bit ruthless about things. What we can do is wish them all the best for the future and I'm sure players like those two will get decent clubs.
"But for us I just felt it was time to move on and we need a fresh influx of players. I think we've got the nucleus of a decent squad, we've got some very promising young players that will get better. It's just adding one or two experienced players to the squad that we've got."
Turner is now waiting to hear back from six players offered new contracts by the club, with Jon Taylor, Aaron Wildig, Connor Goldson, Jermaine Grandison, Tom Bradshaw and Ryan Woods all having a month to respond to the deals on the table.
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- Matt Richards