this bullet that i used in the oryx had an lead value in 9 saeco.that is 18 brinell

how to find out what seaco is against brinell,you can find here

this bullet is a 360 grain lbt.it was shoten i a 6" 454 fa with 22,5 grain N-110.-
the weight of the bullet was 356,2 grain before and 352,2 grain after.
that is only a loss of 4 grain!!
the bullet was shooten in a oryx antelope on 20 meters.the oryx was shooten in the front,
and brooked 3 ribs and satt in the back of the animal right under the skin.
that bullet went over 130 cm in that animal.
in slower calibers like 454 casull i will never again used anything else than lead bullets.

Pistoleros.

SWIFT 300 GR.CAL 452

this bullet was shooten in a eland antilope on 60 meters.

restweight = 297,7 grain

conclusion = high restweight but soft front combined with slow speed makes a bad penetration,only 30 cm, 0,9 ft

SWIFT 300 GR.CAL 452

this bullet was shooten in the same animal as above.clean lounge shoot from 2 meters.penetrating only 30 cm, 0,9ft

restweight = 285,3 grain

SWIFT 300 GR.CAL 452

this bullet was shooten in a blue wildebeest ,on 70 meters, 212 ft

restweight = 247,8 grain

conclusion = lower restweight cause hitting shoulder bone,penetraing only 30-35 cm. ca 1 ft

SWIFT 300 GR.CAL 452

this bullet was shooten in a kudu bull on 115 meters. 348 ft. 100 % perfect shoot from the side and the bullet sat in the skin on the other side of the animal.a little harder in the front and a shoot threw would be possible.

restweight = 293,2 grain