Wonder if a PTRD with 5 ft long barrel is stable enough
for ELR , rebarrel to 416 and use our 416 HSM, 500 gr bullet ....
.Here is up north guy using 585 HE in a PTRD with inserts,
Light load.....Inserts are in the shape of the 14.5mm case....
https://www.youtube.com/watch?v=jyab...ature=youtu.be
HERE ia video, 585 Hubel Express and water jugs - slow motion
750 gr with 155gr RE17, just a moderate load.....Ed
https://www.youtube.com/watch?v=uXAo1mJqw8Y