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Lindcott Armory

Cartridge comparison

.38 Rimfire vs .38 S&W

.38 Rimfire and .38 S&W are both in the reference; see the full spec comparison below.

Side by side

.38 Rimfire.38 S&W
TypePistolRevolver
Introduced18611877
Bullet diameter0.374″0.361″
Case length0.7299″0.7752″
Max pressure12,000 psi14,500 psi
Recoil1.5–2.5 ft·lb2.5–4 ft·lb
Effective range25 yd50 yd

Highlighted cells hold the clear edge where both sides have a number. Every figure is a range maximum from the reference; typical loads run lower.

Case profiles, to scale

Drawn to the same scale, so the proportions are true. Physical size varies with your screen.

ToolOverlay .38 Rimfire and .38 S&W trajectories with real loads in Ballistic Compare