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Lindcott Armory

Cartridge comparison

7mm Nambu vs 8mm Nambu

7mm Nambu and 8mm Nambu are both in the reference; see the full spec comparison below.

Side by side

7mm Nambu8mm Nambu
TypePistolPistol
Introduced19021906
Bullet diameter0.2787″0.3201″
Case length0.7795″0.8437″
Max pressure25,000 psi22,000 psi
Recoil2–4 ft·lb2–3.5 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 7mm Nambu and 8mm Nambu trajectories with real loads in Ballistic Compare