The centre is one of five Glasgow academy talents named in the matchday 23 by Head Coach Kenny Murray, as the men in blue travel to London to take on their hosts at the Twickenham Stoop.
Co-captain Munn completes the Warriors contingent in the matchday 23, starting at outside centre a year on from making his Scotland U20 debut against the same opposition.
Rugby in Glasgow and the west of Scotland is also well represented amongst the matchday 23; Ayrshire Bulls fly-half Richie Simpson joins GHA duo Jonny Morris and Amena Caqusau, as well as Glasgow Hawks standouts Kerr Yule, Moby Ogunlaja and Ruaraidh Hart in the matchday squad.
15 Dan King** (Heriot's Rugby)
1 Max Surry (Cardiff Met University)
2 Corey Tait** (Boroughmuir Bears)
3 Callum Norrie* (Stirling Wolves/Glasgow Warriors)
4 Jake Parkinson (Ealing Trailfinders/Brunel University)
5 Harris McLeod* (Stirling Wolves/Glasgow Warriors)
6 Liam McConnell* (Boroughmuir Bears/Edinburgh Rugby)
7 Rudi Brown* (Southern Knights/Edinburgh Rugby)
8 Jonny Morris* (GHA RFC)
16 Jerry Blyth-Lafferty** (Boroughmuir Bears)
17 Craig Davidson (Watsonian RFC)
18 Moby Ogunlaja (Glasgow Hawks)
19 Eddie Erskine (Bath University)
20 Ruaraidh Hart** (Glasgow Hawks)
21 Sam Derrick** (Southern Knights)
22 Finlay Burgess* (Stirling Wolves/Glasgow Warriors)
23 Geordie Gwynn (Ealing Trailfinders/Brunel University)
*FOSROC Scottish Rugby Contracted Academy Player
**FOSROC Scottish Rugby Regional Academy Player