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Cartridge comparison

.338 Lapua Magnum vs .400 Taylor Magnum

.338 Lapua Magnum and .400 Taylor Magnum are both in the reference; see the full spec comparison below.

ToolOverlay .338 Lapua Magnum and .400 Taylor Magnum trajectories with real loads in Ballistic Compare

Side by side

.338 Lapua Magnum.400 Taylor Magnum
TypeRifleWildcat
Introduced19891911
Bullet diameter0.339″0.3413″
Case length2.7244″2.5189″
Max pressure65,000 psi39,000 psi
Recoil38–55 ft·lb28.1–40.1 ft·lb
Effective range1800 yd600 yd
SAAMISAAMI standardizedNot SAAMI standardized
CIPCIP standardizedNot standardized
Obsolete—Obsolete

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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