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Lindcott Armory

Cartridge comparison

.17 HMR vs .17 WSM

.17 HMR and .17 WSM are both in the reference; see the full spec comparison below.

Side by side

.17 HMR.17 WSM
TypeRimfireRimfire
Introduced20022012
Bullet diameter0.172″0.172″
Case length1.0579″1.2″
Max pressure26,000 psi33,000 psi
Recoil0.3–0.6 ft·lb0.5–0.9 ft·lb
Effective range200 yd250 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 .17 HMR and .17 WSM trajectories with real loads in Ballistic Compare