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Cartridge comparison

.500 A-Square vs .500 Jeffery

.500 A-Square and .500 Jeffery are both in the reference; see the full spec comparison below.

ToolOverlay .500 A-Square and .500 Jeffery trajectories with real loads in Ballistic Compare

Side by side

.500 A-Square.500 Jeffery
TypeRifleRifle
Introduced19781920
Bullet diameter0.51″0.5098″
Case length2.9″2.75″
Max pressure63,860 psi47,863 psi
Recoil140.5–160.3 ft·lb150.8–163 ft·lb
Effective range100 yd100 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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