Compare / .243 Winchester vs 6mm BR Norma

Cartridge comparison

.243 Winchester vs 6mm BR Norma

.243 Winchester is faster (3,850 vs 3,200 fps); .243 Winchester carries more energy (2,000 vs 1,620 ft·lb); 6mm BR Norma recoils less.

.243 Winchester →
Representative trajectory · 100 yd zero0–1000 yd
100 yd · zero0″−105″105″ drop @ 1000 yd05001000Open in Ballistic Compare ↗
6mm BR Norma →
Representative trajectory · 100 yd zero0–1000 yd
100 yd · zero0″−153″153″ drop @ 1000 yd05001000Open in Ballistic Compare ↗
.243 Winchester6mm BR Norma
TypeRifleRifle
Introduced19551978
Bullet ⌀0.243″0.243″
Case length2.045″1.56″
Velocity2,900–3,850 fps2,900–3,200 fps
Energy1,400–2,000 ft·lb1,260–1,620 ft·lb
Max pressure60,000 psi60,000 psi
Recoil8–12 ft·lb5–8 ft·lb
Eff. range500 yd800 yd

FAQs

Is .243 Winchester faster than 6mm BR Norma?
.243 Winchester is faster — up to 3,850 fps versus 3,200 fps.
Does .243 Winchester hit harder than 6mm BR Norma?
.243 Winchester carries more muzzle energy (2,000 vs 1,620 ft·lb).