Joe,
I think that the only thing that will deform the bullet is when it's in the bore and when it hits something solid. :)
I agree - but that is gonna deform more than the boolit eh!
Below are bullets cast in the same mould but different alloys. The setback and obturation starts at ignition.
Undersized bullets in relation with the bore makes a mess out of them.
again yes I always liked fat boolits (couple thou oversize is fine I reckon - never had problems with leading - I like soft alloys - dont like fancy lubes - have shot a softish GC boolit in my 348 @ 2350 FPS without problems - boolit fit is king with cast)
I can take a money bullet like in this photo pan lube it, it fills the grooves better than a lube sizer will, run that lubed bullet through my swage press and change that ogive to a creedmoor type with out changing the lube grooves. The lube will hold the integrity of the grooves if the die is the proper size for the bullet shank.
I wanna pick your brain on this. I plan to swage that LEE boolit till it will shoot
so
1) can I get enough leverage in a good O frame press? to do what you describe here if not what do I need to do it?
2) I make a size die to support the shank of the boolit at the size I need it finished at?
3) and a top die with the desired nose shape?
appreciate your thoughts here
If the bullet is a lesser diameter in the shank the pressure will close the grooves. The same will happen in the rifle barrel.
I seldom shoot a GG bullet, only in my lever rifles. The 121 bullet with all the grooves I pan lube and it stays put. The round nosed with all the grooves is a PP bullet I use for hunting in my trapdoor.
Attachment 270184
LOL, sitting here watching the news I thought about your question of distortion of the bullet while in flight... Well I guess it could happen if it hits a hailstone LOL.