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Cartridge comparison

9x21mm vs 9x25 Dillon

9x21mm and 9x25 Dillon are both in the reference; see the full spec comparison below.

ToolOverlay 9x21mm and 9x25 Dillon trajectories with real loads in Ballistic Compare

Side by side

9x21mm9x25 Dillon
TypePistolPistol
Introduced19801989
Bullet diameter0.3555″0.356″
Case length0.8327″0.9902″
Max pressure34,084 psi37,500 psi
Recoil5–6.5 ft·lb9.4–9.7 ft·lb
Effective range50 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.

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