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Lindcott Armory

Cartridge comparison

.223 WSSM vs .243 WSSM

.223 WSSM and .243 WSSM are both in the reference; see the full spec comparison below.

Side by side

.223 WSSM.243 WSSM
TypeRifleRifle
Introduced20032003
Bullet diameter0.2245″0.243″
Case length1.6701″1.6701″
Max pressure65,000 psi65,000 psi
Recoil8–12 ft·lb8–12 ft·lb
Effective range500 yd400 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 .223 WSSM and .243 WSSM trajectories with real loads in Ballistic Compare