Opening soon. Call us (774) 625-1252

Skip to content
Lindcott Armory Lindcott Armory
Sell Sell

Cartridge comparison

.280 British vs 7x57mmR

.280 British and 7x57mmR are both in the reference; see the full spec comparison below.

ToolOverlay .280 British and 7x57mmR trajectories with real loads in Ballistic Compare

Side by side

.280 British7x57mmR
TypeRifleRifle
Introduced19451892
Bullet diameter0.284″0.2854″
Case length1.7094″2.2441″
Max pressure45,000 psi49,313 psi
Recoil11–16 ft·lb12–17 ft·lb
Effective range750 yd400 yd
SAAMINot SAAMI standardizedNot SAAMI standardized
CIPNot standardizedCIP standardized
ObsoleteObsolete—

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.

Selling a gun

Selling a gun or a collection?

Start here