The 19-year-old Irishmen were brought to Ashton Gate by former boss Steve Coppell and signed one-year contracts in August.
"It will be good for them to go and get regular men`s football," City manager Keith Millen told the club`s official website.
"They have had a few reserve games but this will really test them as well as boosting their fitness level."
Meanwhile, fellow youngster Joe Edwards is poised to return to Bath City on loan.
Source: PA
Source: PA