It's £50 for all the list below, if you want to add the Martini Henry 577/450 or .43 Egyptian (top right) they are a tenner each.
.17 HMR
4.6x30mm H&K
.22 Hornet
.22 Magnum
.22-250
.25 ACP
.32 ACP
.380 ACP
.30 Luger
.30 Mauser
.30-30
9mm UTM
9mm Luger
9mm Makarov
9mm Sky Marshall
.32 S&W long
.38 S&W
.38 Special
.38 Super
.357 Magnum
.40 S&W
.44 Special
.44 Magnum
.44-40
.45 ACP
.45 Colt
.455 Webley
7.62x25 Tok
.30 M1
.300 Blackout
5.45x39mm
5.56 UTM
5.56mm NATO
.243 Win
.264 Win Mag
7.62x39mm
7.62x51 NATO
7.62x54R
.303 British
6.5 Creedmore
6.5x55 Swedish
7.5x55 Swiss
7x57mm
8x57 Mauser
30-06 Springfield
.300 Win Mag
.338 Lapua Mag
12 Gauge
.50 BMG
37mm Baton