.38 caliber is a frequently used name for the caliber of firearms and firearm cartridges.

The .38 is a large firearm cartridge (anything larger than .32 is considered a large caliber).[1]: 42  Before 1990, the standard sidearms of police in the United States were revolvers that fired the .38 Special cartridge, seconded by revolvers firing the .357 Magnum, a lengthened version of the .38 Special.[1]: 68 

Handgun cartridge table

Cartridge nameBullet
diameter		Case
length		Cartridge
length		TypeSource
.380 ACP.355 in (9.0 mm).680 in (17.3 mm).980 in (24.9 mm)RimlessBarnes 1997, p. 274
.38 Casull.356 in (9.0 mm).933 in (23.7 mm)–Rimless[2]
.38 Short Colt.357 in (9.1 mm).762 in (19.4 mm)1.052 in (26.7 mm)RimmedBarnes 1997, p. 274
.38 Long Colt.357 in (9.1 mm)1.030 in (26.2 mm)1.320 in (33.5 mm)RimmedBarnes 1997, p. 274
.38 Special.357 in (9.1 mm)1.15 in (29 mm)1.550 in (39.4 mm)RimmedBarnes 1997, p. 274
.38 ACP.358 in (9.1 mm).900 in (22.9 mm)1.280 in (32.5 mm)Semi-rimmedBarnes 1997, p. 274
.38 Super.358 in (9.1 mm).900 in (22.9 mm)1.280 in (32.5 mm)Semi-rimmedBarnes 1997, p. 274
.38 Super Comp.358 in (9.1 mm).896 in (22.8 mm)1.280 in (32.5 mm)RimlessStarline cartridge dimensions
.38 S&W.361 in (9.2 mm).780 in (19.8 mm)1.200 in (30.5 mm)RimmedBarnes 1997, p. 274
.380 Revolver Short.375 in (9.5 mm)0.700 in (17.8 mm)1.100 in (27.9 mm)RimmedBarnes 1997, p. 274
.380 Revolver Long.375 in (9.5 mm)1.000 in (25.4 mm)1.400 in (35.6 mm)RimmedBarnes 1997, p. 274
.38-40 Winchester.401 in (10.2 mm)1.300 in (33.0 mm)1.590 in (40.4 mm)RimmedBarnes 1997, p. 92

See also

References

  1. 1 2 Wright, James D.; Rossi, Peter H.; Daly, Kathleen (1983). Under the Gun: Weapons, Crime and Violence in America. Hawthorne, NY: Aldine de Gruyter. ISBN 0202303063.
  2. ↑ ".38 Casull". Archived from the original on 2011-09-30. Retrieved 2011-11-13.
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