xmlns:atom="http://www.w3.org/2005/Atom"
4. The following descriptions of centre-fire cartridges (metric)—
2.7 mm Kolibri
3 mm Kolibri
4.25 mm Liliput
5 mm Bergmann No.2 Pistol M.94 (no extractor groove)
5 mm Bergmann No.2 Pistol M.96 (extractor groove)
5 mm Brun
5 mm Charola y Anitua
5 mm Clement
5 mm French
5 mm Pickert
5.2 mm Pickert Revolver
5.43 x 26.8 mm Revolver
5.5 mm Velo-Dog Revolver
6 mm Beaumont Revolver
6 mm Merveilleux
6 mm Protector
6.3 x 21 mm rimless
6.5 mm Bergmann No.3 M.94 Pistol (no extractor groove)
6.5 mm Bergmann No.3 M.93 Pistol (extractor groove)
6.5 mm Mannlicher Pistol M.1894
6.5 mm Ronezewsky
6.8 mm Schulhof Pistol
6.8 x 19.6 mm Revolver
7 mm Bar
7 mm Charola y Anitua
7 mm Devisme
7 mm Thick Rim, French
7 x 20 mm Target Pistol, German (46)
7 x 22 mm Target Pistol, German (47)
7 x 25 mm Target Pistol, German (48)
7 x 30 mm Target Pistol, German (49)
7 mm Galand
7 mm Revolver
7.25 mm Adler
7.65 mm Frommer M.1901
7.65 mm Roth Sauer
7.7 mm Bittner Pistol
7.8 mm Bergmann No.5
7.8 x 19 mm R Laumann
8 mm Bergmann No.1 Pistol
8 mm Bergmann No.4
8 mm Bergmann No.7
8 mm Bergmann-Schmeisser
8 mm Target Pistol, German
8 mm Gaulois Pistol
8 mm Protector
8 mm Raphael
8 mm Roth Steyr
8 mm Schonberger
8 mm Schulof
8.5 mm Mars
9 mm Nagant, Belgian
9 mm Devisme
9 mm Thick Rim, French
9 mm Mars
9 mm Moutier Rimless, Grooveless
10 mm Bergmann
10 mm Gaupillat
10 mm Mars
10 mm Mauser Short
10 mm Mauser Long
10.4 mm Swiss M.1878
10.6 mm Mauser
11 mm Devilliers
11 mm Devisme
11 mm French Ordnance Revolver M.1870 (Navy)
11.35 mm Schouboe, Rimmed
11.35 mm Schouboe, Rimless
12 mm Moutier
12 mm Pidault & Cordier
12 mm Perrin, Thick Rim
12 mm Raphael
15 mm Revolver
16.5 x 18 R mm Beringer.